Comparison of Radeon HD 3850 X2 and Radeon HD 3850 AGP [S]ave
| Attribute |  Radeon HD 3850 X2 × |  Radeon HD 3850 AGP × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2008 |
| Reference card | - | ATi Radeon HD 3850 AGP 668 MHz 512 MB |
| GPU brand | ATI | ATI |
| GPU name | RV670 | RV670 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 669 | 720 |
| Is dual GPU | + | - |
| Model | Radeon HD 3850 X2 | Radeon HD 3850 AGP |
| Memory | ||
| Memory (MB) | 1,024 | 512 |
| Memory bandwidth (GB/s) | 106 | 58.2 |
| Memory bus (bit) | 512 | 256 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 828 | 910 |
| Effective memory clock speed (MHz) | 1,656 | 1,820 |
| Noise and power | ||
| TDP (W) | 140 | 75 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 21.4 | 11.52 |
| Render output processors | 32 | 16 |
| Texture mapping units | 32 | 16 |
| Shading units | 640 | 320 |
| Floating-point performance (GFLOPS) | 856 | 461 |
| Compute units | 8 | 4 |
| Texture rate (GTexel/s) | 21.4 | 11.52 |
| Benchmarks | ||
| PassMark | 792 | 470 |
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