Comparison of Radeon HD 6630M and GeForce GT 425M [S]ave
| Attribute |  Radeon HD 6630M × |  GeForce GT 425M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2010 |
| GPU brand | AMD | Nvidia |
| GPU name | Whistler | GF108 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 500 | 560 |
| Is dual GPU | - | - |
| Model | Radeon HD 6630M | GeForce GT 425M |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 25.6 | 25.6 |
| Memory bus (bit) | 128 | 128 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 800 | 800 |
| Effective memory clock speed (MHz) | 1,600 | 1,600 |
| Noise and power | ||
| TDP (W) | 26 | 23 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 4 | 2.24 |
| Render output processors | 8 | 4 |
| Texture mapping units | 24 | 16 |
| Shading units | 480 | 96 |
| Floating-point performance (GFLOPS) | 480 | 215 |
| Compute units | 6 | - |
| Texture rate (GTexel/s) | 12 | 8.96 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 65.84 | - |
| Dirt3 | 13 | - |
| Crysis 2 | 8.9 | - |
| Cloud Gate Factor | - | 9.64 |
| Face detection (mPixels/s) | 2.84 | 4.19 |
| T-Rex (GFXBench 3.0) | 3231.29 | 2963.89 |
| Manhattan (GFXBench 3.0) | 2246.67 | 2156.47 |
| Bitcoin mining (mHash/s) | 42.82 | 13.98 |
| Sky Diver Factor | - | 64.35 |
| Fire Strike Factor | - | 7.04 |
| Ocean surface simulation (frames/s) | 186.45 | 161.58 |
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