Winner
Nvidia GeForce GT 640M
GPUBoss recommends the Nvidia GeForce GT 640M based on its gaming and benchmarks.
See full details GeForce GT 640M vs 820M |
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GPUBoss Review Our evaluation of 640M vs 820M among Laptop GPUs under 35W TDP
Gaming | |
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| Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more | |
Graphics | |
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| T-Rex, Manhattan and Cloud Gate Factor | |
Computing | |
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| Face Detection, Ocean Surface Simulation and 3 more | |
Performance per Watt | |
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| Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more | |
Value | |
| | |
| Battlefield 3, Battlefield 4, Bioshock Infinite and 30 more | |
Noise and Power | |
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| TDP, Idle Power Consumption, Load Power Consumption and 2 more | |
| 2.6 | Overall Score |
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 | Winner |
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Nvidia GeForce GT 640MGPUBoss Winner |  | |
Differences What are the advantages of each
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| Much higher dead space 3 framerate | 32.6 fps | vs | 21.7 fps | More than 50% higher dead space 3 framerate | |||
|---|---|---|---|---|---|---|---|
| Better PassMark score | 932 | vs | 600 | More than 55% better PassMark score | |||
| Better 3DMark 11 graphics score | 10,625.5 | vs | 7,518 | More than 40% better 3DMark 11 graphics score | |||
| Much higher hitman: absolution framerate | 7.45 | vs | 4.9 | More than 50% higher hitman: absolution framerate | |||
| More memory | 2,048 MB | vs | 1,024 MB | 2x more memory | |||
| Better 3DMark vantage graphics score | 6,348 | vs | 4,254 | Around 50% better 3DMark vantage graphics score | |||
| Higher diablo III framerate | 42.7 fps | vs | 33.9 fps | More than 25% higher diablo III framerate | |||
| More render output processors | 16 | vs | 8 | Twice as many render output processors | |||
| Wider memory bus | 128 bit | vs | 64 bit | 2x wider memory bus | |||
| More shading units | 384 | vs | 96 | 288 more shading units | |||
| More texture mapping units | 32 | vs | 16 | Twice as many texture mapping units | |||
| Higher BioShock infinite framerate | 14.3 fps | vs | 8.1 fps | More than 75% higher BioShock infinite framerate | |||
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| Much better T-Rex score | 3,352.98 | vs | 3,339.75 | Almost the same | |||
| Slightly lower TDP | 15W | vs | 32W | 2.1x lower TDP | |||
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