Radeon 840M vs Radeon RX 580
The Radeon 840M is much slower than the Radeon RX 580 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 580 has 316% more compute power.
Texture Fillratehelp
Radeon RX 580 maps textures 316% faster.
System-Shared
Memory Typehelp
GDDR5System-Shared
Memory Bushelp
256-bitNavi III IGP (Strix Point Mobile)
Generationhelp
Polaris (RX 500)Integrated
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, Radeon 840M or Radeon RX 580?expand_more
Neither, they're within 1% of each other across 100+ games. Pick based on price, availability, or VRAM.
aspect_ratioWhich is better for 1440p and 4K gaming, Radeon 840M or Radeon RX 580?expand_more
They trade blows depending on the game. Toggle the resolution selector above to compare per-game FPS at 1440p and 4K.
differenceWhat is the difference between Radeon 840M and Radeon RX 580?expand_more
Performance: Radeon 840M scores 15/100, Radeon RX 580 scores 9/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Radeon 840M or Radeon RX 580 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 840M or Radeon RX 580?expand_more
Both are solid choices. Compare your current GPU against each one to see the exact FPS gain.
memoryDoes VRAM matter when comparing the Radeon 840M and Radeon RX 580?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
840M vs RX 9070840M vs RX 9060 XT 16 GBRTX 5070 vs 840M840M vs RX 9070 XTRTX 5060 vs 840MRTX 5080 vs 840M840M vs RX 6800Arc B580 vs 840MArc A310 vs 840MRTX 5060 Ti vs 840MArc A580 vs 840MArc A750 vs 840MRTX 5070 Ti vs 840MGTX 1660 SUPER vs 840MGT 710 vs 840M840M vs RX 560RTX 5090 vs 840MRTX 4090 vs 840M840M vs RX 6900 XT840M vs RX 7900 XTX840M vs Pro W5500840M vs Pro W5700840M vs R7 240840M vs R7 250Arc B570 vs 840MRX 580 vs RX 9070RX 580 vs RX 9060 XT 16 GBRTX 5070 vs RX 580RX 580 vs RX 9070 XTRTX 5060 vs RX 580RTX 5080 vs RX 580RX 580 vs RX 6800Arc B580 vs RX 580Arc A310 vs RX 580RTX 5060 Ti vs RX 580Arc A580 vs RX 580Arc A750 vs RX 580RTX 5070 Ti vs RX 580GTX 1660 SUPER vs RX 580GT 710 vs RX 580RX 560 vs RX 580RTX 5090 vs RX 580RTX 4090 vs RX 580RX 580 vs RX 6900 XTRX 580 vs RX 7900 XTXPro W5500 vs RX 580Pro W5700 vs RX 580R7 240 vs RX 580R7 250 vs RX 580Arc B570 vs RX 580