Comparison of GeForce GT 640M and NVIDIA Quadro M1000M (January, 2011) [S]ave
| Attribute |  GeForce GT 640M × |  NVIDIA Quadro M1000M (January, 2011) × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2011 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GK107 | GF108 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 625 | 700 |
| Is dual GPU | - | - |
| Model | GeForce GT 640M | NVIDIA Quadro M1000M (January, 2011) |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 28.8 | 28.8 |
| Memory bus (bit) | 128 | 128 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 900 | 900 |
| Effective memory clock speed (MHz) | 1,800 | 1,800 |
| Noise and power | ||
| TDP (W) | 32 | 45 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 5 | 5.6 |
| Render output processors | 16 | 4 |
| Texture mapping units | 32 | 16 |
| Shading units | 384 | 96 |
| Floating-point performance (GFLOPS) | 480 | 269 |
| Texture rate (GTexel/s) | 20 | 11.2 |
| Benchmarks | ||
| Metro: Last Light | - | 25 |
| Bioshock Infinite | - | 37.5 |
| Battlefield 4 | 9.9 | - |
| Face detection (mPixels/s) | 7.86 | 5.22 |
| T-Rex (GFXBench 3.0) | 3339.75 | 3354.38 |
| Manhattan (GFXBench 3.0) | 3590.88 | 3712.44 |
| Bitcoin mining (mHash/s) | 17.38 | 23.68 |
| Sky Diver Factor | 106.74 | - |
| Thief | 8.35 | 23 |
| Fire Strike Factor | 11.26 | - |
| Ocean surface simulation (frames/s) | - | 207.79 |
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