Comparison of Radeon HD 7720 and Radeon HD 6970M [S]ave
| Attribute |  Radeon HD 6970M × |  Radeon HD 7720 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2013 |
| GPU brand | AMD | AMD |
| GPU name | Blackcomb | Barts LE |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 680 | 840 |
| Is dual GPU | - | - |
| Model | Radeon HD 6970M | Radeon HD 7720 |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 115.2 | 134.4 |
| Memory bus (bit) | 256 | 256 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 900 | 1,050 |
| Effective memory clock speed (MHz) | 3,600 | 4,200 |
| Noise and power | ||
| TDP (W) | 75 | 150 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 21.76 | 26.88 |
| Render output processors | 32 | 32 |
| Texture mapping units | 48 | 40 |
| Shading units | 960 | 800 |
| Floating-point performance (GFLOPS) | 1,306 | 1,344 |
| Compute units | 12 | 10 |
| Texture rate (GTexel/s) | 32.6 | 33.6 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 180.17 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.93 | - |
| Video composition (frames/s) | 24.46 | - |
| Dirt3 | 33.2 | - |
| Crysis 2 | 30.2 | - |
| Face detection (mPixels/s) | 10.57 | - |
| Bitcoin mining (mHash/s) | 117.8 | - |
| Ocean surface simulation (frames/s) | 785.77 | - |
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