Arc B580 vs Radeon 660M
The Arc B580 is much faster than the Radeon 660M 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.
GDDR6
Memory Typehelp
System-Shared192-bit
Memory Bushelp
System-SharedBattlemage (Arc 5)
Generationhelp
Navi II IGP (Rembrandt Mobile)Desktop
Segmenthelp
Integrated-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Arc B580 or Radeon 660M?expand_more
The Arc B580. It's 39% faster than the Radeon 660M on average across 100+ games, scoring 31/100 vs 43/100 in our gaming rating.
speedHow much faster is Arc B580 than Radeon 660M?expand_more
39% 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 660M?expand_more
The Arc B580 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 Arc B580 worth buying in 2026?expand_more
It scores 31/100 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 660M?expand_more
Performance: Arc B580 scores 31/100, Radeon 660M scores 43/100. 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 660M 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 660M?expand_more
The Arc B580 is the stronger pick at 31/100. 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 660M?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
Arc B580 vs RTX 5070Arc B580 vs RTX 5060 TiArc B580 vs RTX 5060Arc B580 vs RTX 5070 TiArc B580 vs RTX 5080Arc B580 vs RX 9070 XTArc B580 vs RTX 5090Arc B580 vs RX 9060 XT 16 GBArc B580 vs RTX 2060Arc B580 vs GTX 1660 TiArc B580 vs GTX 1660 SUPERArc B580 vs RX 9070Arc B580 vs RX 580Arc B580 vs RX 560Arc B580 vs RX 6900 XTArc B580 vs GTX 1650 SUPERArc B580 vs RX 6800Arc A310 vs Arc B580Arc A580 vs Arc B580Arc A750 vs Arc B580Arc B580 vs GT 710Arc B580 vs RTX 4090Arc B580 vs RX 7900 XTXArc B580 vs R7 240Arc B580 vs R7 250Arc B570 vs Arc B580RTX 5070 vs 660MRTX 5060 Ti vs 660MRTX 5060 vs 660MRTX 5070 Ti vs 660MRTX 5080 vs 660M660M vs RX 9070 XTRTX 5090 vs 660M660M vs RX 9060 XT 16 GBRTX 2060 vs 660MGTX 1660 Ti vs 660MGTX 1660 SUPER vs 660M660M vs RX 9070660M vs RX 580660M vs RX 560660M vs RX 6900 XTGTX 1650 SUPER vs 660M660M vs RX 6800Arc A310 vs 660MArc A580 vs 660MArc A750 vs 660MGT 710 vs 660MRTX 4090 vs 660M660M vs RX 7900 XTX660M vs R7 240660M vs R7 250Arc B570 vs 660M