Arc B390 Mobile vs Radeon 550

Neither, they're within 1% of each other across 100+ games. Pick based on price, availability, or VRAM.

They trade blows depending on the game. Toggle the resolution selector above to compare per-game FPS at 1440p and 4K.

Performance: Arc B390 Mobile scores 68/100, Radeon 550 scores 1/100. 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.

Both are solid choices. Compare your current GPU against each one to see the exact FPS gain.

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.