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2.6 Out of 10 | |
GPUBoss Review Our evaluation of the GeForce GT 640M 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 | |
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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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Benchmarks Real world tests of the GeForce GT 640M
Bitcoin mining Data courtesy CompuBench
Face detection Data courtesy CompuBench
T-Rex (GFXBench 3.0) Data courtesy CompuBench
Manhattan (GFXBench 3.0) Data courtesy CompuBench
Fire Strike Factor Data courtesy FutureMark
Sky Diver Factor Data courtesy FutureMark
Thief
Battlefield 4
Specifications Full list of technical specs
gpu
GPU brand | Nvidia |
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GPU name | GK107 |
Market | Laptop |
Clock speed | 625 MHz |
Is dual GPU | No |
Reference card | None |
raw performance
Shading units | 384 |
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Texture mapping units | 32 |
Render output processors | 16 |
Pixel rate | 5 GPixel/s |
Texture rate | 20 GTexel/s |
Floating-point performance | 480 GFLOPS |
memory
Memory clock speed | 900 MHz |
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Effective memory clock speed | 1,800 MHz |
Memory bus | 128 bit |
Memory | 2,048 MB |
Memory type | DDR3 |
Memory bandwidth | 28.8 GB/s |
noise and power
TDP | 32W |
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