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GPU Comparison: FPS, Specs & Value

GeForce RTX 4090 vs GeForce RTX 3080

The GeForce RTX 4090 is much faster than the GeForce RTX 3080 on average across 100+ games. However, it's a much worse value for money, as it's $2,922.84 more expensive!

  • Up to 106% faster on average across 100+ games
  • Is 2 years and 1 month newer
  • Up to 129% more expensive$3,559.00 vs $636.16
  • Up to 129% cheaper$636.16 vs $3,559.00
  • Up to 11% better value for money

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Scorehelp

GeForce RTX 4090 ranks 40 points higher.

FP32 Computehelp
NVIDIA GeForce RTX 4090 Logo
GeForce RTX 4090
82580 TFLOPS
NVIDIA GeForce RTX 3080 Logo
GeForce RTX 3080
29770 TFLOPS

GeForce RTX 4090 has 177% more compute power.

Pixel Fillratehelp

GeForce RTX 4090 fills pixels 170% faster.

Texture Fillratehelp
NVIDIA GeForce RTX 4090 Logo
GeForce RTX 4090
1290.2 GT/s

GeForce RTX 4090 maps textures 177% faster.

VRAMhelp

GeForce RTX 4090 has 14 GB more VRAM.

Memory Bandwidthhelp

GeForce RTX 4090 moves data 33% faster.

TDPhelp

GeForce RTX 3080 draws 130W less power.

Pricehelp

GeForce RTX 3080 is $2,922.84 cheaper.

GDDR6X
Memory Typehelp
GDDR6X
384-bit
Memory Bushelp
320-bit
GeForce 40
Generationhelp
GeForce 30
Desktop
Segmenthelp
Desktop
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Power Connectorshelp
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Outputshelp
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Frequently Asked Questions

compare_arrowsWhich is better, GeForce RTX 4090 or GeForce RTX 3080?expand_more
The GeForce RTX 4090. It's 108% faster than the GeForce RTX 3080 on average across 100+ games, scoring 77/100 vs 37/100 in our gaming rating.
speedHow much faster is GeForce RTX 4090 than GeForce RTX 3080?expand_more
108% 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 4090 or GeForce RTX 3080?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 GeForce RTX 4090 and GeForce RTX 3080?expand_more
Performance: GeForce RTX 4090 scores 77/100, GeForce RTX 3080 scores 37/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the GeForce RTX 4090 or GeForce RTX 3080 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 4090 or GeForce RTX 3080?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 GeForce RTX 4090 and GeForce RTX 3080?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.

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