Comparison of Radeon E4690 PCIe and Mobility Radeon HD 4670 Mac [S]ave
| Attribute |  Mobility Radeon HD 4670 Mac × |  Radeon E4690 PCIe × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2009 |
| Reference card | - | ATi Radeon E4690 PCIe 600 MHz 512 MB |
| GPU brand | ATI | ATI |
| GPU name | M96 | RV730 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 680 | 600 |
| Is dual GPU | - | - |
| Model | Mobility Radeon HD 4670 Mac | Radeon E4690 PCIe |
| Memory | ||
| Memory (MB) | 256 | 512 |
| Memory bandwidth (GB/s) | 25.3 | 22.4 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 790 | 700 |
| Effective memory clock speed (MHz) | 1,580 | 1,400 |
| Noise and power | ||
| TDP (W) | 35 | 30 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 5.44 | 4.8 |
| Render output processors | 8 | 8 |
| Texture mapping units | 32 | 32 |
| Shading units | 320 | 320 |
| Floating-point performance (GFLOPS) | 435 | 384 |
| Compute units | 4 | 4 |
| Texture rate (GTexel/s) | 21.76 | 19.2 |
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