Comparison of Mobility Radeon HD 4830 and Radeon HD 7590M [S]ave
| Attribute |  Mobility Radeon HD 4830 × |  Radeon HD 7590M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2012 |
| GPU brand | ATI | AMD |
| GPU name | M97 | Thames |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 550 | 600 |
| Is dual GPU | - | - |
| Model | Mobility Radeon HD 4830 | Radeon HD 7590M |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 44.8 | 25.6 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 700 | 800 |
| Effective memory clock speed (MHz) | 2,800 | 3,200 |
| Noise and power | ||
| TDP (W) | - | 18 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 8.8 | 4.8 |
| Render output processors | 16 | 8 |
| Texture mapping units | 32 | 24 |
| Shading units | 640 | 480 |
| Floating-point performance (GFLOPS) | 704 | 576 |
| Compute units | 8 | 6 |
| Texture rate (GTexel/s) | 17.6 | 14.4 |
| Benchmarks | ||
| PassMark | 514 | - |
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