GeForce RTX 4070 vs GeForce RTX 4090 Mobile
The GeForce RTX 4070 is slower than the GeForce RTX 4090 Mobile 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.
Scorehelp
GeForce RTX 4090 Mobile ranks 48 points higher.
FP32 Computehelp
GeForce RTX 4090 Mobile has 13% more compute power.
Pixel Fillratehelp
GeForce RTX 4090 Mobile fills pixels 20% faster.
Texture Fillratehelp
GeForce RTX 4090 Mobile maps textures 13% faster.
VRAMhelp
GeForce RTX 4090 Mobile has 4 GB more VRAM.
Memory Bandwidthhelp
GeForce RTX 4090 Mobile moves data 14% faster.
GDDR6X
Memory Typehelp
GDDR6192-bit
Memory Bushelp
256-bitGeForce 40
Generationhelp
GeForce 40 MobileDesktop
Segmenthelp
Mobile-
Power Connectorshelp
--
Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, GeForce RTX 4070 or GeForce RTX 4090 Mobile?expand_more
The GeForce RTX 4090 Mobile. It's 130% faster than the GeForce RTX 4070 on average across 100+ games, scoring 85/100 vs 37/100 in our gaming rating.
speedHow much faster is GeForce RTX 4090 Mobile than GeForce RTX 4070?expand_more
130% 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 4070 or GeForce RTX 4090 Mobile?expand_more
The GeForce RTX 4090 Mobile 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 Mobile worth buying in 2026?expand_more
It scores 85/100 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 4070 and GeForce RTX 4090 Mobile?expand_more
Performance: GeForce RTX 4070 scores 37/100, GeForce RTX 4090 Mobile scores 85/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the GeForce RTX 4070 or GeForce RTX 4090 Mobile 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 4070 or GeForce RTX 4090 Mobile?expand_more
The GeForce RTX 4090 Mobile is the stronger pick at 85/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the GeForce RTX 4070 and GeForce RTX 4090 Mobile?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.