GeForce RTX 5090 vs Radeon R9 M390X
The GeForce RTX 5090 is much faster than the Radeon R9 M390X 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
GeForce RTX 5090 has 3439% more compute power.
Pixel Fillratehelp
GeForce RTX 5090 fills pixels 1731% faster.
Texture Fillratehelp
GeForce RTX 5090 maps textures 1669% faster.
Memory Bandwidthhelp
GeForce RTX 5090 moves data 1019% faster.
GDDR7
Memory Typehelp
GDDR5512-bit
Memory Bushelp
256-bitGeForce 50
Generationhelp
Gem System (R9 M300)Desktop
Segmenthelp
Mobile-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, GeForce RTX 5090 or Radeon R9 M390X?expand_more
The GeForce RTX 5090. It's 1150% faster than the Radeon R9 M390X on average across 100+ games, scoring 100/100 vs 8/100 in our gaming rating.
speedHow much faster is GeForce RTX 5090 than Radeon R9 M390X?expand_more
1150% 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, GeForce RTX 5090 or Radeon R9 M390X?expand_more
The GeForce RTX 5090 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 GeForce RTX 5090 worth buying in 2026?expand_more
It scores 100/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between GeForce RTX 5090 and Radeon R9 M390X?expand_more
Performance: GeForce RTX 5090 scores 100/100, Radeon R9 M390X scores 8/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the GeForce RTX 5090 or Radeon R9 M390X 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 GeForce RTX 5090 or Radeon R9 M390X?expand_more
The GeForce RTX 5090 is the stronger pick at 100/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the GeForce RTX 5090 and Radeon R9 M390X?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
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