GeForce GT 640M vs GeForce RTX 4070
The GeForce GT 640M is much slower than the GeForce RTX 4070 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.
FP32 Computehelp
GeForce RTX 4070 has 5254% more compute power.
Pixel Fillratehelp
GeForce RTX 4070 fills pixels 2693% faster.
Texture Fillratehelp
GeForce RTX 4070 maps textures 1907% faster.
Memory Bandwidthhelp
GeForce RTX 4070 moves data 1651% faster.
DDR3
Memory Typehelp
GDDR6X128-bit
Memory Bushelp
192-bitGeForce 600M
Generationhelp
GeForce 40Mobile
Segmenthelp
Desktop-
Power Connectorshelp
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Outputshelp
-Frequently Asked Questions
compare_arrowsWhich is better, GeForce GT 640M or GeForce RTX 4070?expand_more
The GeForce RTX 4070. It's 3600% faster than the GeForce GT 640M on average across 100+ games, scoring 37/100 vs 1/100 in our gaming rating.
speedHow much faster is GeForce RTX 4070 than GeForce GT 640M?expand_more
3600% 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 GT 640M or GeForce RTX 4070?expand_more
The GeForce RTX 4070 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 4070 worth buying in 2026?expand_more
It scores 37/100 in our gaming rating, faster than most GPUs on the market. Good buy if the price is right.
differenceWhat is the difference between GeForce GT 640M and GeForce RTX 4070?expand_more
Performance: GeForce GT 640M scores 1/100, GeForce RTX 4070 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 GT 640M or GeForce RTX 4070 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 GT 640M or GeForce RTX 4070?expand_more
The GeForce RTX 4070 is the stronger pick at 37/100. Compare your current GPU against it to see the exact FPS gain across 100+ games.
memoryDoes VRAM matter when comparing the GeForce GT 640M and GeForce RTX 4070?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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