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GPU Comparison: FPS, Specs & Value

GeForce RTX 4090 vs Radeon 660M

The GeForce RTX 4090 is much faster than the Radeon 660M on average across 100+ games. We cannot compare value as at least one GPU is out of stock.

  • Up to 2285% faster on average across 100+ games
  • Available for $3,495.00
  • Is 4 months newer

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Scorehelp

GeForce RTX 4090 ranks 34 points higher.

FP32 Computehelp
NVIDIA GeForce RTX 4090 Logo
GeForce RTX 4090
82580 TFLOPS
AMD Radeon 660M Logo
Radeon 660M
1459.2 TFLOPS

GeForce RTX 4090 has 5559% more compute power.

Pixel Fillratehelp
AMD Radeon 660M Logo
Radeon 660M
30.4 GP/s

GeForce RTX 4090 fills pixels 1359% faster.

Texture Fillratehelp
NVIDIA GeForce RTX 4090 Logo
GeForce RTX 4090
1290.2 GT/s
AMD Radeon 660M Logo
Radeon 660M
45.6 GT/s

GeForce RTX 4090 maps textures 2729% faster.

Memory Bandwidthhelp
TDPhelp

Radeon 660M draws 410W less power.

Pricehelp
GDDR6X
Memory Typehelp
System-Shared
384-bit
Memory Bushelp
System-Shared
GeForce 40
Generationhelp
Navi II IGP (Rembrandt Mobile)
Desktop
Segmenthelp
Integrated
-
Power Connectorshelp
-
-
Outputshelp
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Frequently Asked Questions

compare_arrowsWhich is better, GeForce RTX 4090 or Radeon 660M?expand_more
The GeForce RTX 4090. It's 79% faster than the Radeon 660M on average across 100+ games, scoring 77/100 vs 43/100 in our gaming rating.
speedHow much faster is GeForce RTX 4090 than Radeon 660M?expand_more
79% 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 Radeon 660M?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 Radeon 660M?expand_more
Performance: GeForce RTX 4090 scores 77/100, Radeon 660M scores 43/100. 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 Radeon 660M 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 Radeon 660M?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 Radeon 660M?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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