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Sapphire RX 580 Pulse 8GB Review

Rating: 8.5.

Following on from our launch-day coverage of the RX 500-series, today we analyse another RX 580. This partner card from Sapphire comes attractively priced at £239.99 which could make it a very compelling option for those in the market for a new mid-range graphics card. It does sacrifice some extra features to meet this lower price-point – including RGB LEDs – but can its performance make up for the lost bling?

Launching alongside our review of the Sapphire RX 570 Pulse 4GB card is this review of the RX 580 Pulse 8GB. If you’ve come straight to this review, it is worth explaining a bit about the Pulse family. Essentially, it is a new product series from Sapphire that aims to keep the solid build quality and performance we expect from Sapphire cards, while ditching some extra, less necessary, features to keep the cost down.


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

This particular RX 580 partner card has received a modest factory overclock: up to 1366MHz boost, which is an extra 26MHz over reference speeds.

It is also worth noting some of the features that the Pulse cards do not have. When compared to the Nitro+ series, features that are lacking include:

  • Extra LED fans
  • Dual-BIOS functionality
  • RGB Sapphire logo
  • NITRO Boost
  • NITRO FanCheck
  • NITRO CoolTech (NCT)
  • Robust VRM cooling

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  • MegaTechGuy

    Good review as always! ;D

  • Rocky40

    Great review thank you. So this card is most likely using up Sapphires remaining 480 chips hence the poor OC the card got or you just got a card that lost the chip lottery. lol

  • Gerard Majdzinski

    My nitro 480 is rock stable @1415/2050. So probably bad sample or issue is somewhere else.

  • Dominic Moass

    It’s just the silicon lottery – we can rule out Sapphire re-using a 480 as the 580 is manufacturered with a modified 14nm process so the chips aren’t exactly the same. But it is still the same, overall Polaris architecture.

  • Rocky40

    Yea probably just a bad sample Sapphire is a good company I own 2 TrI-X cards and they have been very solid cards and the Tri-X coolers used on their cards are very well built for sure.

  • Rocky40

    Yep most likely 100% true just the Silicon Lottery and nothing else.

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