Comparison of GeForce GT 645M and Radeon R5 M330 [S]ave
| Attribute |  GeForce GT 645M × |  Radeon R5 M330 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2015 |
| GPU brand | Nvidia | AMD |
| GPU name | GK107 | Exo |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 709 | 955 |
| Turbo clock speed (MHz) | - | 1,030 |
| Is dual GPU | - | - |
| Model | GeForce GT 645M | Radeon R5 M330 |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 28.8 | 14.4 |
| Memory bus (bit) | 128 | 64 |
| 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 | 18 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 5.67 | 8.24 |
| Render output processors | 16 | 8 |
| Texture mapping units | 32 | 20 |
| Shading units | 384 | 320 |
| Floating-point performance (GFLOPS) | 544 | 659 |
| Compute units | - | 5 |
| Texture rate (GTexel/s) | 22.69 | 20.6 |
| Benchmarks | ||
| Crysis 3 | 7 | - |
| Bioshock Infinite | 14.3 | 8.2 |
| Battlefield 4 | - | 6.4 |
| Face detection (mPixels/s) | 8.49 | 1 |
| T-Rex (GFXBench 3.0) | 1859.4 | 2628.36 |
| Manhattan (GFXBench 3.0) | 2708.22 | 3428.74 |
| Bitcoin mining (mHash/s) | 19.12 | 72.41 |
| Sky Diver Factor | 118.77 | - |
| Thief | - | 5.1 |
| Fire Strike Factor | 14.91 | - |
| Ocean surface simulation (frames/s) | - | 138.35 |
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