Comparison of Radeon HD 6770M and Radeon HD 7590M [S]ave
| Attribute |  Radeon HD 6770M × |  Radeon HD 7590M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2012 |
| GPU brand | AMD | AMD |
| GPU name | Whistler | Thames |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 725 | 600 |
| Is dual GPU | - | - |
| Model | Radeon HD 6770M | Radeon HD 7590M |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 57.6 | 25.6 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 900 | 800 |
| Effective memory clock speed (MHz) | 3,600 | 3,200 |
| Noise and power | ||
| TDP (W) | 35 | 18 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 5.8 | 4.8 |
| Render output processors | 8 | 8 |
| Texture mapping units | 24 | 24 |
| Shading units | 480 | 480 |
| Floating-point performance (GFLOPS) | 696 | 576 |
| Compute units | 6 | 6 |
| Texture rate (GTexel/s) | 17.4 | 14.4 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 77.14 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.39 | - |
| Cloud Gate Factor | 10.49 | - |
| Face detection (mPixels/s) | 4.82 | - |
| Bitcoin mining (mHash/s) | 33.39 | - |
| Sky Diver Factor | 78.21 | - |
| Fire Strike Factor | 9.74 | - |
| Ocean surface simulation (frames/s) | 234.83 | - |
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