Comparison of GeForce GT 630 PCIe x8 and GeForce 845M [S]ave
| Attribute |  GeForce 845M × |  GeForce GT 630 PCIe x8 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2013 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GM107 | GK208 |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 863 | 902 |
| Turbo clock speed (MHz) | 936 | - |
| Is dual GPU | - | - |
| Model | GeForce 845M | GeForce GT 630 PCIe x8 |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 16 | 14.4 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 1,001 | 900 |
| Effective memory clock speed (MHz) | 2,002 | 1,800 |
| Noise and power | ||
| TDP (W) | 45 | 25 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 13.81 | 7.22 |
| Render output processors | 16 | 8 |
| Texture mapping units | 32 | 16 |
| Shading units | 512 | 384 |
| Floating-point performance (GFLOPS) | 884 | 693 |
| Texture rate (GTexel/s) | 27.62 | 14.43 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 232.99 | - |
| T-Rex (Compubench 1.5) (frames/s) | 1.3 | - |
| Video composition (frames/s) | 22.39 | - |
| Crysis 3 | 16.3 | - |
| Bioshock Infinite | 18.15 | - |
| Battlefield 4 | 10.9 | - |
| Bitcoin mining (mHash/s) | 76.07 | - |
| Thief | 7.3 | - |
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