Winner
AMD Radeon HD 6400
GPUBoss recommends the AMD Radeon HD 6400 based on its .
See full details Radeon HD 6400 vs GeForce GT 640M |
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GPUBoss Review Our evaluation of 6400 vs 640M among all GPUs
Gaming | |
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| Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more | |
Graphics | |
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| T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more | |
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 32 more | |
Noise and Power | |
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| TDP, Idle Power Consumption, Load Power Consumption and 2 more | |
| 5.9 | Overall Score |
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Differences What are the advantages of each
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| Slightly lower TDP | 18W | vs | 32W | Around 45% lower TDP | |||
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| More memory | 2,048 MB | vs | 512 MB | 4x more memory | |||
| More render output processors | 16 | vs | 4 | 12 more render output processors | |||
| Better manhattan score | 3,590.88 | vs | 803.03 | Around 4.5x better manhattan score | |||
| More texture mapping units | 32 | vs | 8 | 24 more texture mapping units | |||
| Slightly higher memory clock speed | 900 MHz | vs | 800 MHz | Around 15% higher memory clock speed | |||
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Benchmarks Real world tests of Radeon HD 6400 vs GeForce GT 640M
T-Rex (GFXBench 3.0) Data courtesy CompuBench
Manhattan (GFXBench 3.0) Data courtesy CompuBench
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