Custom GPU 0405 vs GeForce RTX 4090
The Custom GPU 0405 is much slower than the GeForce RTX 4090 on average across 100+ games. We cannot compare value as at least one GPU is out of stock.
HowManyFPS Team · Prices updated · FPS from real gameplay sessions · Browse benchmarks
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 4090 has 4940% more compute power.
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Memory Typehelp
GDDR6X-
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384-bit-
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GeForce 40Integrated
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-Frequently Asked Questions
compare_arrowsWhich is better, Custom GPU 0405 or GeForce RTX 4090?expand_more
The GeForce RTX 4090. It's 381% faster than the Custom GPU 0405 on average across 100+ games, scoring 77/100 vs 16/100 in our gaming rating.
speedHow much faster is GeForce RTX 4090 than Custom GPU 0405?expand_more
381% 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, Custom GPU 0405 or GeForce RTX 4090?expand_more
The GeForce RTX 4090 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 4090 worth buying in 2026?expand_more
It scores 77/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Custom GPU 0405 and GeForce RTX 4090?expand_more
Performance: Custom GPU 0405 scores 16/100, GeForce RTX 4090 scores 77/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the Custom GPU 0405 or GeForce RTX 4090 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 Custom GPU 0405 or GeForce RTX 4090?expand_more
The GeForce RTX 4090 is the stronger pick at 77/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the Custom GPU 0405 and GeForce RTX 4090?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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