Rust
4K@165Hz·05:13 played
LiamLewis·23m ago
Public
261
FPSAverage
204
FPS1% Low
76%/45°C
77%/48°C
32 GB
72%usage
GeForce RTX 4090 Mobile vs Radeon RX 7900 XT
The GeForce RTX 4090 Mobile is slower than the Radeon RX 7900 XT on average across 100+ games. We cannot compare value as at least one GPU is out of stock.
Radeon RX 7900 XT57% Score
- Up to 26% faster on average across 100+ games
- Available for $939.99
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.
Scorehelp
GeForce RTX 4090 Mobile ranks 28 points higher.
FP32 Computehelp
Radeon RX 7900 XT has 56% more compute power.
Pixel Fillratehelp
Radeon RX 7900 XT fills pixels 142% faster.
Texture Fillratehelp
Radeon RX 7900 XT maps textures 56% faster.
Memory Bandwidthhelp
Radeon RX 7900 XT moves data 39% faster.
TDPhelp
GeForce RTX 4090 Mobile draws 180W less power.
GDDR6
Memory Typehelp
GDDR6256-bit
Memory Bushelp
320-bitGeForce 40 Mobile
Generationhelp
Navi III (RX 7000)Mobile
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, GeForce RTX 4090 Mobile or Radeon RX 7900 XT?expand_more
The Radeon RX 7900 XT. It's 49% faster than the GeForce RTX 4090 Mobile on average across 100+ games, scoring 57/100 vs 85/100 in our gaming rating.
speedHow much faster is Radeon RX 7900 XT than GeForce RTX 4090 Mobile?expand_more
49% 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 Mobile or Radeon RX 7900 XT?expand_more
The Radeon RX 7900 XT 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 Radeon RX 7900 XT worth buying in 2026?expand_more
It scores 57/100 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 Mobile and Radeon RX 7900 XT?expand_more
Performance: GeForce RTX 4090 Mobile scores 85/100, Radeon RX 7900 XT scores 57/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the GeForce RTX 4090 Mobile or Radeon RX 7900 XT 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 Mobile or Radeon RX 7900 XT?expand_more
The Radeon RX 7900 XT is the stronger pick at 57/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the GeForce RTX 4090 Mobile and Radeon RX 7900 XT?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
RTX 4090 Mobile vs RTX 5070RTX 4090 Mobile vs RTX 5060 TiRTX 4090 Mobile vs RTX 5060RTX 4090 Mobile vs RTX 5070 TiRTX 4090 Mobile vs RTX 5080RTX 4090 Mobile vs RX 9070 XTRTX 4090 Mobile vs RTX 5090RTX 4090 Mobile vs RX 9060 XT 16 GBRTX 4090 Mobile vs GTX 1660 TiRTX 4090 Mobile vs Arc B580RTX 4090 Mobile vs GTX 1660 SUPERRTX 4090 Mobile vs RX 7600RTX 4090 Mobile vs RTX 3080RTX 4090 Mobile vs RX 9070RTX 4090 Mobile vs RX 7700 XTRTX 4090 Mobile vs RX 580RTX 4090 Mobile vs RX 6900 XTRTX 4090 Mobile vs RX 6800RTX 4090 Mobile vs Arc A310RTX 4090 Mobile vs Arc A580RTX 4090 Mobile vs Arc B570RTX 4090 Mobile vs RX 480RTX 4090 Mobile vs RX 7800 XTRTX 4090 Mobile vs RX 7900 XTXRTX 4090 Mobile vs RTX 4090RTX 4090 Mobile vs R7 240RTX 4090 Mobile vs R7 250RX 7900 XT vs RTX 5070RX 7900 XT vs RTX 5060 TiRX 7900 XT vs RTX 5060RX 7900 XT vs RTX 5070 TiRX 7900 XT vs RTX 5080RX 7900 XT vs RX 9070 XTRX 7900 XT vs RTX 5090RX 7900 XT vs RX 9060 XT 16 GBRX 7900 XT vs GTX 1660 TiRX 7900 XT vs Arc B580RX 7900 XT vs GTX 1660 SUPERRX 7900 XT vs RX 7600RX 7900 XT vs RTX 3080RX 7900 XT vs RX 9070RX 7900 XT vs RX 7700 XTRX 7900 XT vs RX 580RX 7900 XT vs RX 6900 XTRX 7900 XT vs RX 6800RX 7900 XT vs Arc A310RX 7900 XT vs Arc A580RX 7900 XT vs Arc B570RX 7900 XT vs RX 480RX 7900 XT vs RX 7800 XTRX 7900 XT vs RX 7900 XTXRX 7900 XT vs RTX 4090RX 7900 XT vs R7 240RX 7900 XT vs R7 250