Navi 31 | KitGuru https://www.kitguru.net KitGuru.net - Tech News | Hardware News | Hardware Reviews | IOS | Mobile | Gaming | Graphics Cards Fri, 08 Mar 2024 11:47:52 +0000 en-US hourly 1 https://wordpress.org/?v=6.4.3 https://www.kitguru.net/wp-content/uploads/2021/06/cropped-KITGURU-Light-Background-SQUARE2-32x32.png Navi 31 | KitGuru https://www.kitguru.net 32 32 AMD RX 7900 GRE Review https://www.kitguru.net/components/graphic-cards/dominic-moass/amd-rx-7900-gre-review/ https://www.kitguru.net/components/graphic-cards/dominic-moass/amd-rx-7900-gre-review/#respond Mon, 26 Feb 2024 14:00:29 +0000 https://www.kitguru.net/?p=648610 Seven months on from its China-exclusive launch, AMD's RX 7900 GRE is finally hitting the global market

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I have to be honest, today's review was not something I had on my radar in 2024. That's because we're taking a look at AMD's RX 7900 GRE graphics card, a product which first launched as an exclusive for the Chinese DIY market last July, before it eventually worked its way into the hands of system integrators. Today, however, AMD is announcing the worldwide availability of this GPU, alongside a new $549 price tag. We put it to the test and find out how it stacks up against the competition.

To put AMD's RX 7900 GRE into context, this GPU launched all the way back in July 2023 to little fan-fare, given it was originally sold as a China exclusive. That also explains the name, with GRE standing for Golden Rabbit Edition, as 2023 was the Year of the Rabbit. It's slightly ironic then that worldwide availability is happening now in 2024, the Year of the Dragon, but we digress… After its initial launch, the 7900 GRE began to be sold via system integrators in certain prebuilt PCs, and I even reviewed one such system from Cyberpower last November. Up until now though, it was only officially launched for the DIY market in China.

That changes today as AMD has announced worldwide availability for the RX 7900 GRE while also adjusting its price, given it first launched at $649 last year but will now be sold for $549. Clearly AMD feels it is well positioned to take on Nvidia's RTX 4070 Super, a product which has put significant pressure on AMD's Radeon division in the mid-range market segment since it launched last month.

In today's review then, we assess the RX 7900 GRE in its reference form, comparing it against a whole heap of products from both AMD and Nvidia, looking at rasterisation performance, ray tracing, power draw, efficiency and more…

If you want to read this review as a single page, click HERE.

RX 7900 XTX RX 7900 XT RX 7900 GRE RX 7800 XT RX 7700 XT
Architecture RDNA 3 RDNA 3 RDNA 3 RDNA 3 RDNA 3
Manufacturing Process 5nm GCD + 6nm MCD 5nm GCD + 6nm MCD 5nm GCD + 6nm MCD 5nm GCD + 6nm MCD 5nm GCD + 6nm MCD
Transistor Count 57.7 billion 57.7 billion 57.7 billion 28.1 billion 28.1 billion
Die Size  300 mm² GCD

220 mm² MCD

300 mm² GCD

220 mm² MCD

300 mm² GCD

220 mm² MCD

200 mm² GCD

150 mm² MCD

200 mm² GCD

150 mm² MCD

Compute Units 96 84 80 60 54
Ray Accelerators 96 84 80 60 54
Stream Processors  6144 5376 5120 3840 3456
Game GPU Clock Up to 2300MHz Up to 2000 MHz 1880 MHz 2124 MHz 2171 MHz
Boost GPU Clock Up to 2500 MHz Up to 2400 MHz Up to 2245 MHz Up to 2430 MHz Up to 2544 MHz
ROPs 192 192 192 96 96
AMD Infinity Cache 96MB 80MB 64MB 64MB 48MB
Memory 24GB GDDR6 20GB GDDR6 16GB GDDR6 16GB GDDR6 12GB GDDR6
Memory Data Rate 20 Gbps 20 Gbps 18 Gbps 19.5 Gbps 18 Gbps
Memory Bandwidth 960 GB/s 800 GB/s 576 GB/s 624 GB/s 432 GB/s
Memory Interface  384-bit 320-bit 256-bit 256-bit 192-bit
Board Power  355W 315W 260 W 263W 245W

First, let's take a quick look at the specs. The RX 7900 GRE is using the same Navi 31 die that we first saw with the RX 7900 XTX and 7900 XT, but it has been significantly cut-down. Still, using the same die means we find a 300mm² Graphics Compute Die, based on TSMC's 5nm node, flanked by six 37mm² Memory Cache Dies (though two are disabled for the 7900 GRE). In total, the Navi 31 GPU packs 57.7 billion transistors.

While a full Navi 31 GPU packs in 96 Compute Units, the 7900 GRE is cut down to 80 CUs, 4 fewer than the 7900 XT, and each CU houses 64 Steam Processors, for a total of 5120 shaders. There's also 80 Ray Accelerators – one per CU – and 192 ROPs.

As for clock speed, AMD has de-coupled the clocks, so the front-end and shaders can operate at different clock speeds in a bid to save power. With the RX 7900 GRE, the shader clock features a rated game clock of up to 1880MHz, and a boost of up to 2245MHz, so that is a reduction of about 7% compared to the 7900 XT.

The memory configuration is where we see the biggest change compared to the 7900 XT, however. With two of the six MCDs disabled, the RX 7900 GRE packs 16GB of GDDR6 memory clocked at 18Gbps, operating over a 256-bit memory interface, for total memory bandwidth of 576 GB/s. 64MB of Infinity Cache is also present, which allows AMD to claim an ‘effective memory bandwidth' of up to 2265.6 GB/s.

Power draw for the RX 7900 GRE is also rated at 260W Total Board Power (TBP), but we are using our updated GPU power testing methodology in this review, so read on for our most detailed power and efficiency testing yet.

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AMD Radeon RX 7900M and Threadripper Pro 7000 arriving October 19th https://www.kitguru.net/components/graphic-cards/joao-silva/amd-radeon-rx-7900m-and-threadripper-pro-7000-arriving-october-19th/ https://www.kitguru.net/components/graphic-cards/joao-silva/amd-radeon-rx-7900m-and-threadripper-pro-7000-arriving-october-19th/#respond Thu, 05 Oct 2023 11:00:40 +0000 https://www.kitguru.net/?p=632993 We may soon see AMD make some big announcements. As per the latest reports, the red team is planning to release its new Radeon RX 7900M flagship mobile GPU and the Threadripper Pro 7000 HEDT series in just two weeks, on October 19th. According to Wccftech, AMD is planning to debut the Radeon RX 7900M …

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We may soon see AMD make some big announcements. As per the latest reports, the red team is planning to release its new Radeon RX 7900M flagship mobile GPU and the Threadripper Pro 7000 HEDT series in just two weeks, on October 19th.

According to Wccftech, AMD is planning to debut the Radeon RX 7900M mobile graphics card on October 19th, which matches the rumoured Threadripper Pro 7000 “Storm Peak” series release date.

AMD had already offered mobile SKUs based on the Navi 33 architecture with the RX 7600M/S series. Navi 32-based mobile GPUs have yet to be announced, but it seems we won't have to wait for the ones based on the Navi 31 GPU.

The rumoured RX 7900M will reportedly have 72 CUs, implying that it should feature a Navi 31 GPU. Considering this is a mobile GPU, AMD would probably pack the GPU in a smaller enclosure, as seen in the RX 7900 GRE. The 72 CU configuration is less than the RX 7900 GRE (80 CUs), RX 7900 XT (84 CUs), and RX 7900 XTX (96 CUs), setting the GPU's TGP at 160W (up to 200W with SmartShift). Older rumours suggested that the RX 7900M will have a 256-bit memory bus, implying a 16GB memory configuration.

As for the Threadripper Pro 7000 series, these will likely debut on systems based on both OEM and DIY motherboard designs that use the TRX50/WRX50 chipsets. This chipset is expected to be based on the same one used by the EPYC 9004 series, which means it can accommodate up to 96 Zen 4 cores, 128 PCIe Gen 5 lanes, and DDR5 memory.

According to leaked slides shared by Underfox, AMD claims its upcoming HEDT series will give a 20% performance gain over the previous generation and feature up to 96 cores. This release is predicted to not only have the greatest core count in the high-end desktop (HEDT) market but also the fastest Threadripper CPU, with a clock speed of 5.1GHz. To do this, AMD had to set the TDP of their new Storm Peak platform to 350W.

Discuss on our Facebook page, HERE.

KitGuru says: The coming of the Radeon RX 7900M would certainly be welcome, giving those who want a high-end mobile GPU an alternative to Nvidia's solutions. The Threadripper Pro 7000 series would also bring variety to the HEDT market, as well as push the core count to 96 cores in this segment for the first time.

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AMD’s most powerful Radeon PRO GPUs to date are officially available https://www.kitguru.net/components/graphic-cards/matthew-wilson/amds-most-powerful-radeon-pro-gpus-to-date-are-officially-available/ https://www.kitguru.net/components/graphic-cards/matthew-wilson/amds-most-powerful-radeon-pro-gpus-to-date-are-officially-available/#respond Fri, 26 May 2023 14:45:51 +0000 https://www.kitguru.net/?p=616964 Back in April, AMD announced its latest workstation flagships - the Navi 31-based W7900 and W7800 graphics cards. Now just over a month later, both cards are now officially available, with prices starting at $2,499.

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Back in April, AMD announced its latest workstation flagships – the Navi 31-based W7900 and W7800 graphics cards. Now just over a month later, both cards are now officially available, with prices starting at $2,499.

The W7900 is a powerhouse, packing 96 CUs and 48GB of GDDR6 ECC memory across a 384-bit memory bus for a maximum bandwidth of 864 GB/s. This allows it to offer up to 61 TFLOPS of single precision performance on a 295W TBP. The W7800, on the other hand, has 70 CUs and 32GB of GDDR6 ECC RAM on a 256-bit memory bus, offering a maximum bandwidth of 576 GB/s. Peak single-precision compute performance is 45 TFLOPs, and TBP is 260W.

Both cards utilise the new RDNA 3 architecture, with compute units that share resources between rendering, AI and ray-tracing to offer significantly improved performance per CU compared to the previous generation. According to AMD, the new AI and RT acceleration hardware can provide 2X more performance compared to RDNA 2.

With up to 48GB of GDDR6 memory, professionals will have plenty to work with when working with large 3D models, environments, large editing tasks and other intense workloads. AMD has also been hard at work on the software side, validating a number of professional apps that can utilise the AMD Radeon PRO GPUs to their fullest. You can find that full list of applications, HERE.

The AMD Radeon PRO W7900 and Radeon PRO W7800 graphics cards are available today beginning at an SEP of $3,999 and $2,499 USD respectively

KitGuru Says: On the consumer side, AMD launched the RX 7600 this week. Now, our attention turns to Computex 2023, which kicks off next week and will bring forth plenty of new announcements from companies all across the tech world.

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PowerColor RX 7900 XTX Hellhound Spectral White Review https://www.kitguru.net/components/graphic-cards/dominic-moass/powercolor-rx-7900-xtx-hellhound-spectral-white/ https://www.kitguru.net/components/graphic-cards/dominic-moass/powercolor-rx-7900-xtx-hellhound-spectral-white/#respond Mon, 08 May 2023 11:00:47 +0000 https://www.kitguru.net/?p=613840 PowerColor's Hellhound Spectral White is a beautiful card - but can it perform too?

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In PowerColor's own words, ‘Hellhound has long been guarding the gaming underworld and is committed to deliver the most reliable gaming experience.' What exactly that means isn't clear, but today we will find out as we put the RX 7900 XTX Hellhound Spectral White through its paces. A beautiful-looking card, we put it to the test and find out if the beauty is only skin deep.

White PC components is an ever-growing market, something PowerColor will be looking to capitalise on with the RX 7900 XTX Hellhound Spectral White – impressively, even the PCB is white. That's alongside staple features such as dual-BIOS, a triple-fan cooler and a factory overclocked core, so let's find out exactly what the Hellhound Spectral White has to offer.

RX 7900 XTX RX 7900 XT RX 6950 XT  RX 6900 XT  RX 6800 XT RX 6800 
Architecture RDNA 3 RDNA 3 RDNA 2 RDNA 2 RDNA 2 RDNA 2
Manufacturing Process 5nm GCD + 6nm MCD 5nm GCD + 6nm MCD 7nm 7nm 7nm 7nm
Transistor Count 57.7 billion 57.7 billion 26.8 billion 26.8 billion 26.8 billion 26.8 billion
Die Size  300 mm² GCD 220 mm² MCD 300 mm² GCD 220 mm² MCD 519 mm² 519 mm² 519 mm² 519 mm²
Ray Accelerators 96 84 80 80 72 60
Compute Units  96 84 80 80 72 60
Stream Processors  6144 5376 5120 5120 4608 3840
Game GPU Clock Up to 2300MHz Up to 2000 MHz Up to 2100MHz Up to 2015MHz Up to 2015MHz Up to 1815MHz
Boost GPU Clock Up to 2500 MHz Up to 2400 MHz Up to 2310MHz Up to 2250MHz Up to 2250MHz Up to 2105MHz
ROPs 192 192 128 128 128 96
AMD Infinity Cache 96MB 80MB 128MB 128MB 128MB 128MB
Memory 24GB GDDR6 20GB GDDR6 16GB GDDR6 18Gbps 16GB GDDR6 16Gbps 16GB GDDR6 16GB GDDR6
Memory Bandwidth 960 GB/s 800 GB/s 576 GB/s 512 GB/s 512 GB/s 512 GB/s
Memory Interface  384-bit 320-bit 256-bit 256-bit 256-bit 256-bit
Board Power  355W 315W 335W 300W 300W 250W

First, let's take a quick look at the specs. The RDNA 3 architecture has seen AMD transition to a chiplet-based design – a world first for a gaming GPU. We find a 300mm² Graphics Compute Die, based on TSMC's 5nm node, flanked by six 37mm² Memory Cache Dies. In total, the Navi 31 GPU packs 57.7 billion transistors.

Internally, the GCD makeup hasn't been radically changed compared to what we saw with RDNA 2. That means Navi 31 packs in 96 Compute Units, each of which houses 64 Steam Processors, for a total of 6144 shaders. There's also 96 Ray Accelerators – one per CU – and 192 ROPs.

As for clock speed, AMD has de-coupled the clocks, so the front-end and shaders can operate at different clock speeds in a bid to save power. With the RX 7900 XTX, the shader clock features a rated game clock of up to 2300MHz, and a boost of up to 2500MHz. PowerColor has increased this figure slightly however, with the primary BIOS operating with a 2525MHz boost clock.

Meanwhile, the memory configuration has taken a step forward. The RX 7900 XTX packs 24GB of GDDR6 memory clocked at 20Gbps, operating over a 384-bit memory interface, for total memory bandwidth of 960 GB/s. 96MB of Infinity Cache is also present, which allows AMD to claim an ‘effective memory bandwidth' of up to 3500 GB/s.

Power draw for the RX 7900 XTX is rated at 355W Total Board Power (TBP), though PowerColor's OC BIOS has increased this slightly as we will show later in the review.

Be sure to check out our sponsors store EKWB here

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Sapphire RX 7900 XTX Nitro+ Review https://www.kitguru.net/components/graphic-cards/dominic-moass/sapphire-rx-7900-xtx-nitro-review/ https://www.kitguru.net/components/graphic-cards/dominic-moass/sapphire-rx-7900-xtx-nitro-review/#respond Mon, 26 Dec 2022 13:00:07 +0000 https://www.kitguru.net/?p=587037 Our first RX 7900 XTX review is here as we put the Sapphire Nitro+ model through its paces

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After our launch-day review of AMD's RX 7900 XTX went live earlier this month, it's time to take a look at our first partner card. Sapphire's Nitro+ series has a long history of quality designs, and we would hope for no different from this new RDNA 3-based card. Offering a very sleek design, dual-BIOS, and a power limit increased all the way up to 420W, there's a lot going for this card on paper, so let's see how much of an improvement it really is versus AMD's reference design.

The Sapphire Nitro+ series has undergone quite a change since we last looked at the previous generation of cards. Plenty of core features remain, including Quick Connect, Dual-BIOS (including a software switch mode), and the Tri-X fan system, but alongside the aesthetic changes, Sapphire has also brought back its Vapor-X technology, meaning the GPU and memory modules are cooled via a vapour chamber.

It's certainly a looker, and we've come to expect very good things from the Nitro+ brand over the years, so let's find out if this RX 7900 XTX can live up to its billing.

RX 7900 XTX RX 7900 XT RX 6950 XT  RX 6900 XT  RX 6800 XT RX 6800 
Architecture RDNA 3 RDNA 3 RDNA 2 RDNA 2 RDNA 2 RDNA 2
Manufacturing Process 5nm GCD + 6nm MCD 5nm GCD + 6nm MCD 7nm 7nm 7nm 7nm
Transistor Count 57.7 billion 57.7 billion 26.8 billion 26.8 billion 26.8 billion 26.8 billion
Die Size  300 mm² GCD 220 mm² MCD 300 mm² GCD 220 mm² MCD 519 mm² 519 mm² 519 mm² 519 mm²
Ray Accelerators 96 84 80 80 72 60
Compute Units  96 84 80 80 72 60
Stream Processors  6144 5376 5120 5120 4608 3840
Game GPU Clock Up to 2300MHz Up to 2000 MHz Up to 2100MHz Up to 2015MHz Up to 2015MHz Up to 1815MHz
Boost GPU Clock Up to 2500 MHz Up to 2400 MHz Up to 2310MHz Up to 2250MHz Up to 2250MHz Up to 2105MHz
ROPs 192 192 128 128 128 96
AMD Infinity Cache 96MB 80MB 128MB 128MB 128MB 128MB
Memory 24GB GDDR6 20GB GDDR6 16GB GDDR6 18Gbps 16GB GDDR6 16Gbps 16GB GDDR6 16GB GDDR6
Memory Bandwidth 960 GB/s 800 GB/s 576 GB/s 512 GB/s 512 GB/s 512 GB/s
Memory Interface  384-bit 320-bit 256-bit 256-bit 256-bit 256-bit
Board Power  355W 315W 335W 300W 300W 250W

First, let's take a quick look at the specs. The RDNA 3 architecture has seen AMD transition to a chiplet-based design – a world first for a gaming GPU. We find a 300mm² Graphics Compute Die, based on TSMC's 5nm node, flanked by six 37mm² Memory Cache Dies. In total, the Navi 31 GPU packs 57.7 billion transistors.

Internally, the GCD makeup hasn't been radically changed compared to what we saw with RDNA 2. That means Navi 31 packs in 96 Compute Units, each of which houses 64 Steam Processors, for a total of 6144 shaders. There's also 96 Ray Accelerators – one per CU – and 192 ROPs.

As for clock speed, AMD has de-coupled the clocks, so the front-end and shaders can operate at different clock speeds in a bid to save power. With the RX 7900 XTX, the shader clock features a rated game clock of up to 2300MHz, and a boost of up to 2500MHz. Sapphire has increased this figure however, with the primary BIOS operating with a 2680MHz boost clock.

Meanwhile, the memory configuration has taken a step forward. The RX 7900 XTX packs 24GB of GDDR6 memory clocked at 20Gbps, operating over a 384-bit memory interface, for total memory bandwidth of 960 GB/s. 96MB of Infinity Cache is also present, which allows AMD to claim an ‘effective memory bandwidth' of up to 3500 GB/s.

Power draw for the RX 7900 XTX is rated at 355W Total Board Power (TBP), but Sapphire has increased this further, up to a 420W TBP for the Nitro+ using the primary BIOS, though the secondary BIOS is more conservative at 350W.

Be sure to check out our sponsors store EKWB here

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Upcoming AMD Navi 31 GPU to make the jump to DisplayPort 2.1 https://www.kitguru.net/components/graphic-cards/joao-silva/upcoming-amd-navi-31-gpu-to-make-the-jump-to-displayport-2-1/ https://www.kitguru.net/components/graphic-cards/joao-silva/upcoming-amd-navi-31-gpu-to-make-the-jump-to-displayport-2-1/#respond Fri, 14 Oct 2022 15:35:42 +0000 https://www.kitguru.net/?p=578534 While previous rumours have claimed that AMD's upcoming Navi 31 GPU will utilise DisplayPort 2.0, newer reports suggest AMD is going a step further. According to multiple sources, the Navi 31 GPU will be upgraded to DisplayPort 2.1, an upcoming version of the standard, which could provide an advantage compared to Nvidia's AD102 video output …

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While previous rumours have claimed that AMD's upcoming Navi 31 GPU will utilise DisplayPort 2.0, newer reports suggest AMD is going a step further. According to multiple sources, the Navi 31 GPU will be upgraded to DisplayPort 2.1, an upcoming version of the standard, which could provide an advantage compared to Nvidia's AD102 video output options. 

Some criticised Nvidia for limiting the RTX 4090 to DisplayPort 1.4a when the GPU can easily exceed the standard's maximum refresh rate/resolution spec. As a reminder, DisplayPort 1.4a is limited to 120Hz in 4K and 60Hz in 8K, but using DSC, the maximum refresh rate increases significantly at the cost of image quality.

That, however, won't be a problem for the upcoming AMD Radeon RX 7000 series flagship, as it's almost guaranteed that the card will feature DisplayPort 2.0. That was confirmed via a leak on a graphics driver, which shows the Navi 31 GPU would support a feature exclusive to DP 2.0 and above. DisplayPort 2.0 would have probably been enough for this card, but a recent report from Kyle Bennett claims AMD decided to go a step further and implement DisplayPort 2.1.

DisplayPort 2.1 specs haven't been announced yet, but we already know about DisplayPort 2.0, which supports up to 80 Gbit/s of bandwidth through 4 lanes, enough to power one 16K display at 60Hz, two 4K displays at 144Hz or three 4K displays at 90Hz. In the worst case, DP 2.1 will be capable of doing the same, but the most likely scenario is it will be better than its predecessor.

Discuss on our Facebook page, HERE.

KitGuru Says: The decision to limit the RTX 4090 to DisplayPort 1.4 still stands out as odd. Fortunately, it looks like AMD won't be doing the same, and will push forward with more up-to-date video outputs. 

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Rumour: AMD Navi 31, Navi 32 and Navi 33 GPUs detailed https://www.kitguru.net/components/graphic-cards/joao-silva/rumour-amd-navi-31-navi-32-and-navi-33-gpus-detailed/ https://www.kitguru.net/components/graphic-cards/joao-silva/rumour-amd-navi-31-navi-32-and-navi-33-gpus-detailed/#respond Wed, 04 Aug 2021 08:53:16 +0000 https://www.kitguru.net/?p=525830 In recent weeks, we've seen a number of reports claiming to have early information on next-gen AMD GPUs, known as Navi 31, Navi 32 and Navi 33. All three will be based on the RDNA 3 architecture and some newly created block diagrams for these GPUs help summarise the specifications we've seen reported so far.  …

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In recent weeks, we've seen a number of reports claiming to have early information on next-gen AMD GPUs, known as Navi 31, Navi 32 and Navi 33. All three will be based on the RDNA 3 architecture and some newly created block diagrams for these GPUs help summarise the specifications we've seen reported so far. 

As per Olrak's GPU block diagram of the Navi 31, the next-gen AMD flagship GPU built to power the RX 7900 and 7800 series is expected to have a dual-chiplet design, with 2x CGD based on a 5nm node and an MCD based on a 6nm node. Summed up, this GPU should come with 15,360 stream processors, an undisclosed amount of GDDR6 memory across a 256-bit memory bus, and up to 512MB of Infinity Cache.

Image credit: Olrak

The block diagram for Navi 32 suggests that it will also use a similar dual-chiplet design but fewer streaming processors than Navi 31. As it seems, it will feature 10,240 streaming processors, up to 384MB of Infinity Cache and a 192-bit memory bus powered by GDDR6 memory. We would expect to see this GPU being employed on RX 7700 series cards.

Lastly, we have the Navi 33 GPU diagram, featuring a monolithic design similar to current-gen AMD GPUs. Expected to come with 5,120 streaming processors, 256MB of Infinity Cache and GDDR6 128-bit memory support, this GPU will probably power the RX 7600 series.

The first GPUs powered by a Navi 3x GPU are expected to release in late 2022. We should see high-end graphics cards first, followed by mid-range and entry-level options later on.

Discuss on our Facebook page, HERE.

KitGuru says: Are you skipping this GPU generation with the hope of upgrading in the next one? 

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Latest Nvidia AD102 and AMD Navi 31 rumours suggest up to 500W power draw https://www.kitguru.net/components/graphic-cards/joao-silva/latest-nvidia-ad102-and-amd-navi-31-rumours-suggest-up-to-500w-power-draw/ https://www.kitguru.net/components/graphic-cards/joao-silva/latest-nvidia-ad102-and-amd-navi-31-rumours-suggest-up-to-500w-power-draw/#respond Sat, 31 Jul 2021 13:04:54 +0000 https://www.kitguru.net/?p=525268 This month, the rumour mill has been fixated on next-gen graphics cards from Nvidia and AMD. While the rumoured Nvidia ‘AD102' and AMD's ‘Navi 31' are still far from release, reports claim that power draw will be much higher for these next-gen GPUs, possibly reaching as high as 500W.  The rumours put together by 3DCenter paint the …

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This month, the rumour mill has been fixated on next-gen graphics cards from Nvidia and AMD. While the rumoured Nvidia ‘AD102' and AMD's ‘Navi 31' are still far from release, reports claim that power draw will be much higher for these next-gen GPUs, possibly reaching as high as 500W. 

The rumours put together by 3DCenter paint the Nvidia AD102 GPU as a power-hungry beast. Leaker @kopite7kimi claims it will require more than 400W of power, while @graymon55 claims it will need somewhere between 450W and 500W.

Reports suggest the Nvidia AD102 die (≅600mm²) will be smaller than that of the GA102 (628mm²), but it will pack about 71% more CUDA cores, increasing from 10,752 to 18,432. Another expected change will be the jump from Samsung 8nm to TSMC 5nm. Memory configuration looks similar to the GA102 GPU, using a 384-bit memory bus and GDDR6X memory.

As for the Navi 31 GPU, it's also expected to be based on TSMC's 5nm node, but the MCM (Multi-Chip Module) design will make the die size increase considerably over the Navi 21 GPU. The Navi 31 GPU is expected to feature 2 CGDs measuring about 600-650mm² together, but adding the supposed MCD to the equation puts the total die size around 800mm². Inside the Navi 31 GPU die, there should be 15,360 streaming processors.

According to Bondrewd, the Navi 31 GPU TBP will be less than 500W, with 3DCenter assuming it will be about 450-480W. Additionally, Chiphell user wjm47196 (via VideoCardz) claims that AMD has taped out the Navi 31 GPU and that a release in Q3 2022 is possible if everything goes well.

Discuss on our Facebook page, HERE.

KitGuru says: If these rumours are correct, the Nvidia AD102 and AMD Navi 31 GPUs are building up to be quite the graphics monsters. However, we are still more than a year away from seeing them, so plenty can change ahead of launch. 

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Rumour: AMD RDNA 3 Navi 31 GPU may feature 512MB of Infinity Cache https://www.kitguru.net/components/graphic-cards/joao-silva/rumour-amd-rdna-3-navi-31-gpu-may-feature-512mb-of-infinity-cache/ https://www.kitguru.net/components/graphic-cards/joao-silva/rumour-amd-rdna-3-navi-31-gpu-may-feature-512mb-of-infinity-cache/#respond Tue, 27 Jul 2021 09:49:38 +0000 https://www.kitguru.net/?p=524604 During this past weekend, multiple leaks and rumours surrounding the RDNA 3-based AMD Navi 31 GPU and Nvidia's AD102 GPU have emerged. The most surprising claim is the amount of Infinity Cache that AMD's next flagship GPU will pack, with reports claiming that it will ship with 512MB.  According to the leaks and rumours summarised …

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During this past weekend, multiple leaks and rumours surrounding the RDNA 3-based AMD Navi 31 GPU and Nvidia's AD102 GPU have emerged. The most surprising claim is the amount of Infinity Cache that AMD's next flagship GPU will pack, with reports claiming that it will ship with 512MB. 

According to the leaks and rumours summarised by 3DCenter, the Navi 31 GPU will feature a 256-bit memory interface, but it may boast 512MB of Infinity Cache to compensate for that. The GPU itself is expected to have an MCM (multi-chip module) design and come with 15,360 streaming processors divided into 2x CGDs, each with 30x RDNA Workgroup Processors (WGP).

One interesting change in design mentioned by Bondrewd is the absence of Compute Units from the Navi 31 GPU. In previous AMD GPU architectures, each WGP would contain multiple CUs.

As for Nvidia AD102 GPU rumours, the leaker @greymon55 said the Lovelace GPU will use “improved GDDR6X memory”. It's unclear what “improved” precisely means, but we assume it will be better efficiency, higher clock speeds, or both. Another leaker also stated that AD102 won't feature any sort of Infinity Cache-like memory.

Discuss on our Facebook page, HERE.

KitGuru says: We are most likely more than a year away from seeing these GPUs release, but the rumour mill is starting to paint a good picture of each of them. Considering how far we still are from getting them into our hands, specifications may still change considerably.

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More possible specifications of upcoming Navi GPUs have leaked https://www.kitguru.net/components/graphic-cards/joao-silva/more-possible-specifications-of-upcoming-navi-gpus-have-leaked/ https://www.kitguru.net/components/graphic-cards/joao-silva/more-possible-specifications-of-upcoming-navi-gpus-have-leaked/#respond Tue, 29 Sep 2020 08:30:26 +0000 https://www.kitguru.net/?p=487859 New specifications of the next generation of AMD Navi GPUs and APUs have leaked, giving us a glimpse of what clock speeds we might expect from the final product. The stream processors and CU count of the Navi 23 have also leaked, alongside the first specifications of the Navi 31 GPU.

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New specifications of the next generation of AMD Navi GPUs and APUs have leaked, giving us a glimpse of what clock speeds we might expect from the final product. The stream processors and CU count of the Navi 23 have also leaked, alongside the first specifications of the Navi 31 GPU.

Redditor u/stblr has found more about the Navi 23 GPU, also known as Dimgrey Cavefish. Besides the details found about the Navi 23 GPU, the redditor also took more information about the rest of the Navi 2x GPUs, the Navi 31 GPU, and the AMD's upcoming APUs from the macOS 11 beta, which already has the firmware for the ‘AMDRadeonX6000’ series.

Regarding the Navi 23 GPU, it will come with 32 CUs (2048 stream processors) and a 128-bit memory interface. The Navi 21 will have two variants: the Navi 21a with a boost clock of 2050MHz, and the Navi 21b with a boost clock of 2200MHz. The Navi 22 will boast a 2500MHz boost clock. The Navi GPU mentioned in the firmware is the Navi 31, which is expected to debut in Radeon RX 7000 series and it will be similar to the Navi 21 GPU, featuring 80CUs (5120 stream processors).

AMD APUs were also found in the firmware. The Zen3 based Cezanne will allegedly come with same “the same GPU configuration as Renoir”, which uses a Vega GPU with up to 8CUs. Van Gogh will be the first APU with a Navi GPU, featuring up to 8 CUs. The Rembrandt architecture seems to shake things up a bit, with a Navi GPU featuring up to 12CUs.

Discuss on our Facebook page, HERE.

KitGuru says: What are your thoughts on AMD's next generation of graphics cards? Are you interested in getting one?

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AMD is reportedly working on the Navi 4x series, Navi 21 to have up to 16GB VRAM https://www.kitguru.net/components/graphic-cards/joao-silva/amd-is-reportedly-working-on-the-navi-4x-series-navi-21-to-have-up-to-16gb-vram/ https://www.kitguru.net/components/graphic-cards/joao-silva/amd-is-reportedly-working-on-the-navi-4x-series-navi-21-to-have-up-to-16gb-vram/#respond Mon, 10 Aug 2020 09:37:09 +0000 https://www.kitguru.net/?p=480854 Big Navi hasn't come out yet, but AMD is already working on their future generations of GPUs. Besides the rumour stating that Navi 21 will come in a 16GB and a 12GB variant, another rumour has also surfaced claiming that the company has started development on the Navi 4x series, otherwise known as Navi 41. Besides …

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Big Navi hasn't come out yet, but AMD is already working on their future generations of GPUs. Besides the rumour stating that Navi 21 will come in a 16GB and a 12GB variant, another rumour has also surfaced claiming that the company has started development on the Navi 4x series, otherwise known as Navi 41.

Besides affirming that Navi 41 is already in the works, the leaker @KOMACHI_ENSAKA has also stated that there will be a Navi 24 (possibly an entry-level GPU), two new custom SoCs called Stones (Genoa) and Mero, new product codenames including Raphael and Phoenix (both Zen 4), and the meaning of NV3X GCD/MCD (Graphics Complex Die/Memory Complex Die) that shall be used on Navi 31, which might be the technology used in the “advanced node” of the RDNA3 architecture, mentioned in AMD marketing slides.

With the launch of Big Navi coming later this year, some alleged specifications of the Navi21 GPU have started to emerge, claiming that it will feature a 512-bit bus interface and 80 compute units, totalling in 5120 stream processors. Another interesting rumour coming from Chiphell forum is now adding the memory configurations, stating that Navi 21 will be available in memory configurations featuring 16GB and 12GB of GDDR6, readying AMD to rival Nvidia's current and next-gen flagship GPUs.

Big Navi graphics cards are expected to release later this year, with November being the best-case scenario given that there are no orders to produce chips, as reported by AquariusZi on the PTT forum. AMD will probably start to sell the reference models before the company's AiB partners start to ship out their own.

Discuss on our Facebook page, HERE.

KitGuru says: With both AMD and Nvidia preparing to launch new GPU architectures, you might want to wait on buying a new graphics card. Are you curious about what Big Navi will bring to the table?

 

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