Arc B390 Mobile vs Arc B580

The Arc B580. It's 119% faster than the Arc B390 Mobile on average across 100+ games, scoring 31/100 vs 68/100 in our gaming rating.

119% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.

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.

It scores 31/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.

Performance: Arc B390 Mobile scores 68/100, Arc B580 scores 31/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.

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.

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.

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.