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ASUS RTX 3070 Noctua Edition Analysis

Over the last decade, Noctua has cemented itself as a key player in the PC cooling industry, both with its air coolers and fans. Now however, Noctua has made the move over to the GPU space, designing a unique graphics card cooler in collaboration with ASUS. It sports two 120mm Noctua NF-A12x25 fans, the classic brown and beige colour scheme, and is even 4.3 slots thick… so let’s find out what it is all about.

Watch video via Vimeo (below) or over on YouTube at 2160p HERE

There’s no doubt that the most eye-catching aspect of the ASUS RTX 3070 Noctua Edition is its custom-designed shroud, complete with Noctua’s signature brown and beige colourway. We also get full view of two 120mm NF-A12x25 fans, and remember, graphics card fans are usually 100mm across at most, so it’s quite something to see two 120mm spinners here. This cooler sits atop the same PCB that ASUS used for the RTX 3070 TUF Gaming, meaning we get a factory overclocked core, increased power limit and dual-BIOS support as well.

One other thing to make clear right from the off is that we are not calling this a ‘review.’ KitGuru reviews include a discussion on pricing and offer concrete buying advice – two things that are lacking from this analysis as we simply have no idea as to how much these cards are going to cost in the real world, and we all know what graphics card availability is like in 2021. For those interested, think instead of this as a technical examination of a Noctua graphics card cooler, rather than a review that tells you whether or not you should buy one.

RTX 3090 RTX 3080 Ti RTX 3080 RTX 3070 Ti RTX 3070
SMs 82 80 68 48 46
CUDA Cores 10496 10240 8704 6144 5888
Tensor Cores 328 320 272 192 184
RT Cores 82 80 68 48 46
Texture Units 328 320 272 192 184
ROPs 112 112 96 96 96
GPU Boost Clock 1695 MHz 1665 MHz 1710 MHz 1770 MHz 1725 MHz
Memory Data Rate 19.5 Gbps 19 Gbps 19 Gbps 19 Gbps 14 Gbps
Total Video Memory 24GB GDDR6X 12GB GDDR6X 10GB GDDR6X 8GB GDDR6X 8GB GDDR6
Memory Interface 384-bit 384-bit 320-bit 256-bit 256-bit
Memory Bandwidth 936 GB/Sec 912 GB/Sec 760 GB/Sec 608 GB/Sec 448 GB/Sec
TGP 350W 350W 320W 290W 220W

It’s been quite a while since we last reviewed a vanilla RTX 3070, so it is worth re-capping the core spec. At the highest level, the 3070 uses Nvidia’s GA104 GPU, though unlike the RTX 3070 Ti, it is not fully populated. Here, GA104 incorporates 46 Streaming Multiprocessors (SMs), and thanks to Ampere’s new SM structure with its two FP32 datapaths, each SM houses 128 CUDA cores, giving RTX 3070 a total of 5888.

Ampere also places one RT core, and four Tensor cores, in each SM, giving a total of 46 RT cores and 184 Tensor cores. This is accompanied by 184 texture units, and 96 ROPs which are now housed directly within each graphics processing cluster (GPC), with 16 ROPs per GPC, and 6 GPCs in total for RTX 3070.

As for clock speed, ASUS offers a choice of dual-BIOS. The Performance BIOS runs slightly faster at 1845MHz, compared to 1815MHz for the Quiet BIOS. In terms of memory, we find 8GB of 14Gbps GDDR6 memory, operating over a 256-bit bus, for total memory bandwidth of 448 GB/Sec.

Lastly, for total graphics power, ASUS has increased this by 20W compared to reference spec, with both BIOS targeting a 240W TGP.

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