Arc B580 vs Radeon RX 7900M
The Arc B580 is slower than the Radeon RX 7900M 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 7900M has 182% more compute power.
Pixel Fillratehelp
Radeon RX 7900M fills pixels 88% faster.
Texture Fillratehelp
Radeon RX 7900M maps textures 41% faster.
GDDR6
Memory Typehelp
GDDR6192-bit
Memory Bushelp
256-bitBattlemage (Arc 5)
Generationhelp
Navi Mobile (RX 7000M)Desktop
Segmenthelp
Mobile-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Arc B580 or Radeon RX 7900M?expand_more
The Radeon RX 7900M. It's 132% faster than the Arc B580 on average across 100+ games, scoring 72/100 vs 31/100 in our gaming rating.
speedHow much faster is Radeon RX 7900M than Arc B580?expand_more
132% 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, Arc B580 or Radeon RX 7900M?expand_more
The Radeon RX 7900M 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 7900M worth buying in 2026?expand_more
It scores 72/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Arc B580 and Radeon RX 7900M?expand_more
Performance: Arc B580 scores 31/100, Radeon RX 7900M scores 72/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Arc B580 or Radeon RX 7900M 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 Arc B580 or Radeon RX 7900M?expand_more
The Radeon RX 7900M is the stronger pick at 72/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the Arc B580 and Radeon RX 7900M?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.