Radeon RX 580 vs Radeon RX 6600S
The Radeon RX 580 is quite a bit slower than the Radeon RX 6600S on average across 100+ games. We cannot compare value as at least one GPU is out of stock.
FPS Comparison Across Popular Games
Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.
Specs & Benchmark Comparison
Side-by-side specs, synthetic benchmarks, and key hardware differences.
FP32 Computehelp
Radeon RX 6600S has 16% more compute power.
Pixel Fillratehelp
Radeon RX 6600S fills pixels 199% faster.
Texture Fillratehelp
Radeon RX 6600S maps textures 16% faster.
Memory Bandwidthhelp
Radeon RX 580 moves data 14% faster.
GDDR5
Memory Typehelp
GDDR6256-bit
Memory Bushelp
128-bitPolaris (RX 500)
Generationhelp
Navi Mobile (RX 6000M)Desktop
Segmenthelp
Mobile-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Radeon RX 580 or Radeon RX 6600S?expand_more
The Radeon RX 6600S. It's 233% faster than the Radeon RX 580 on average across 100+ games, scoring 30/100 vs 9/100 in our gaming rating.
speedHow much faster is Radeon RX 6600S than Radeon RX 580?expand_more
233% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
aspect_ratioWhich is better for 1440p and 4K gaming, Radeon RX 580 or Radeon RX 6600S?expand_more
The Radeon RX 6600S is faster at both resolutions. At 4K, VRAM matters more, check the specs section to compare memory. Toggle the resolution selector above to see per-game FPS.
paidIs the Radeon RX 6600S worth buying in 2026?expand_more
It scores 30/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Radeon RX 580 and Radeon RX 6600S?expand_more
Performance: Radeon RX 580 scores 9/100, Radeon RX 6600S scores 30/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Radeon RX 580 or Radeon RX 6600S bottleneck my PC?expand_more
Depends on the rest of your build, especially your CPU. Swap the paired CPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.
upgradeIs it worth upgrading to the Radeon RX 580 or Radeon RX 6600S?expand_more
The Radeon RX 6600S is the stronger pick at 30/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the Radeon RX 580 and Radeon RX 6600S?expand_more
Yes, more VRAM helps at higher resolutions and in modded games. Check the specs section above to compare memory capacity and bandwidth between both GPUs.
Popular Comparisons
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