Comparison of GeForce GT 645M and NVIDIA Quadro K2100M [S]ave
| Attribute |  NVIDIA Quadro K2100M × |  GeForce GT 645M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2012 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GK106 | GK107 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 667 | 709 |
| Is dual GPU | - | - |
| Model | NVIDIA Quadro K2100M | GeForce GT 645M |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 48.1 | 28.8 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | DDR3 |
| Memory clock speed (MHz) | 752 | 900 |
| Effective memory clock speed (MHz) | 3,008 | 1,800 |
| Noise and power | ||
| TDP (W) | 55 | 32 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 8 | 5.67 |
| Render output processors | 16 | 16 |
| Texture mapping units | 48 | 32 |
| Shading units | 576 | 384 |
| Floating-point performance (GFLOPS) | 768 | 544 |
| Texture rate (GTexel/s) | 32 | 22.69 |
| Benchmarks | ||
| Metro: Last Light | 11.95 | - |
| Crysis 3 | - | 7 |
| Bioshock Infinite | 14 | 14.3 |
| Face detection (mPixels/s) | 11.06 | 8.49 |
| T-Rex (GFXBench 3.0) | 2946.79 | 1859.4 |
| Manhattan (GFXBench 3.0) | 3051.44 | 2708.22 |
| Bitcoin mining (mHash/s) | 38.78 | 19.12 |
| Sky Diver Factor | - | 118.77 |
| Thief | 12.5 | - |
| Fire Strike Factor | - | 14.91 |
| Ocean surface simulation (frames/s) | 358.94 | - |
Help · Contact us · Disclaimer · Contributors · Developers · Donate