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GPU Comparison: FPS, Specs & Value

GeForce 840M vs GeForce 920MX

The GeForce 840M is quite a bit faster than the GeForce 920MX on average across 100+ games. We cannot compare value as at least one GPU is out of stock.

  • Up to 30% faster on average across 100+ games
  • Is 2 years and 1 month newer

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Scorehelp

Similar overall gaming performance.

FP32 Computehelp
NVIDIA GeForce 840M Logo
GeForce 840M
863.2 TFLOPS
NVIDIA GeForce 920MX Logo
GeForce 920MX
508.4 TFLOPS

GeForce 840M has 70% more compute power.

Pixel Fillratehelp
NVIDIA GeForce 840M Logo
GeForce 840M
8.992 GP/s
NVIDIA GeForce 920MX Logo
GeForce 920MX
7.944 GP/s

GeForce 840M fills pixels 13% faster.

Texture Fillratehelp
NVIDIA GeForce 840M Logo
GeForce 840M
17.98 GT/s
NVIDIA GeForce 920MX Logo
GeForce 920MX
23.83 GT/s

GeForce 920MX maps textures 33% faster.

Memory Bandwidthhelp
NVIDIA GeForce 840M Logo
GeForce 840M
16.02 GB/s
NVIDIA GeForce 920MX Logo
GeForce 920MX
14.4 GB/s

GeForce 840M moves data 11% faster.

TDPhelp

GeForce 920MX draws 17W less power.

DDR3
Memory Typehelp
DDR3
64-bit
Memory Bushelp
64-bit
GeForce 800M
Generationhelp
GeForce 900M
Mobile
Segmenthelp
Mobile
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Power Connectorshelp
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Outputshelp
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Frequently Asked Questions

compare_arrowsWhich is better, GeForce 840M or GeForce 920MX?expand_more
Neither, they're within 1% of each other across 100+ games. Pick based on price, availability, or VRAM.
aspect_ratioWhich is better for 1440p and 4K gaming, GeForce 840M or GeForce 920MX?expand_more
They trade blows depending on the game. Toggle the resolution selector above to compare per-game FPS at 1440p and 4K.
differenceWhat is the difference between GeForce 840M and GeForce 920MX?expand_more
Performance: GeForce 840M scores 1/100, GeForce 920MX scores 1/100. They also differ in VRAM, memory bandwidth, power draw, and compute performance. Full breakdown in the specs section above.
compressWill the GeForce 840M or GeForce 920MX 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 840M or GeForce 920MX?expand_more
Both are solid choices. Compare your current GPU against each one to see the exact FPS gain.
memoryDoes VRAM matter when comparing the GeForce 840M and GeForce 920MX?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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