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Sapphire RX 570 Pulse ITX SFF GPU Review

Rating: 8.5.

Having analysed a few of the new AMD RX 500-series cards since launch, today our attention turns back to the RX 570. This particular card is Sapphire’s RX 570 Pulse ITX model, and it is specifically aimed at those looking to build a SFF or ITX system – this is made clear by the card’s small size and single-fan cooling solution. Is it an effective option for those with very strict space constraints?

We know by now that the RX 570 GPU is best for 1080p gaming, so the focus of this review today is whether or not the Sapphire RX 570 Pulse ITX is an effective implementation of the Polaris architecture. Given it is aimed at the SFF and Mini-ITX markets, its thermal and power consumption levels are of particular importance.


GPU AMD RX 480 AMD RX 580 AMD RX 470 AMD RX 570 AMD R9 390
Nvidia GTX 1050 Ti Nvidia GTX 1060
Streaming Multiprocessors / Compute Units
 36 36 32 32 40 6 10
GPU Cores  2304 2304  2048 2048 2560 768 1280
Texture Units 144 144  128 128  160 48 80
ROPs 32  32  32 32  64 32 48
Base Clock  1120 MHz 1257 MHz  926 MHz 1168 MHz Up to 1000MHz 1290 MHz 1506 MHz
GPU Boost Clock  1266 MHz 1340 MHz  1206 MHz  1244 MHz Up to 1000MHz 1392 MHz 1708 MHz
Total Video memory 4096 or 8192 MB 4096 or 8192 MB  4096 or 8192 MB 4096 MB  8192 MB 4096 MB 6144 MB
Memory Clock (Effective)
1750 (7000) or 2000 (8000) MHz 2000 (8000) MHz  1650 (6600) MHz  1750 (7000) MHz  1500 (6000) MHz  1752 (7008) MHz 2002 (8008) MHz
Memory Bandwidth  224 or 256 GB/s  256 GB/s 211 GB/s  224 GB/s 384 GB/s 112 GB/s 192 GB/s
Bus Width  256-bit   256-bit    256-bit  256-bit  512-bit 128-bit 192-bit
Manufacturing Process 14nm  14nm 14nm  14nm 28nm 16nm 16nm
TDP  150 W  185 W 120 W 150 W 275 W 75W 120 W

It is definitely worth noting that the RX 570 Pulse ITX does not come with any sort of factory overclock – the card’s 1244MHz boost clock is the same as AMD’s reference figure. This will negatively impact performance compared to other, factory overclocked RX 570 cards such as the ASUS Strix RX 570 or Sapphire Pulse RX 570, but it will likely help keep core temperatures down.

As it is also a member of Sapphire’s Pulse family, this ITX card lacks many features we would expect from a high-end card. For example, there is no backplate, RGB LEDs or dual-BIOS functionality. This is a SFF card designed simply to work in a constricted environment.

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