Comparison of Radeon HD 7690M XT and Radeon HD 8770M [S]ave
| Attribute |  Radeon HD 8770M × |  Radeon HD 7690M XT × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2013 |
| Reference card | - | AMD Radeon HD 7690M XT Rebrand 725 MHz 1 GB |
| GPU brand | AMD | AMD |
| GPU name | Mars | Thames |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 775 | 725 |
| Turbo clock speed (MHz) | 825 | - |
| Is dual GPU | - | - |
| Model | Radeon HD 8770M | Radeon HD 7690M XT |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 72 | 57.6 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,125 | 900 |
| Effective memory clock speed (MHz) | 4,500 | 3,600 |
| Noise and power | ||
| TDP (W) | - | 25 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 6.6 | 5.8 |
| Render output processors | 8 | 8 |
| Texture mapping units | 24 | 24 |
| Shading units | 384 | 480 |
| Floating-point performance (GFLOPS) | 634 | 696 |
| Compute units | 6 | 6 |
| Texture rate (GTexel/s) | 19.8 | 17.4 |
| Benchmarks | ||
| Battlefield 3 | - | 10 |
| 3DMark 11 Graphics | 12,680 | 10,919 |
| 3DMark Vantage Graphics | 7,078 | 5,594 |
| 3DMark06 | 1,934 | 1,346 |
| Crysis 2 | - | 17 |
| Cloud Gate Factor | - | 12.33 |
| Sky Diver Factor | - | 86.03 |
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