Comparison of Radeon HD 4550 and Mobility Radeon HD 3670 [S]ave
| Attribute |  Mobility Radeon HD 3670 × |  Radeon HD 4550 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2008 |
| GPU brand | ATI | ATI |
| GPU name | M86 | RV710 |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 680 | 600 |
| Is dual GPU | - | - |
| Model | Mobility Radeon HD 3670 | Radeon HD 4550 |
| Memory | ||
| Memory (MB) | 256 | 256 |
| Memory bandwidth (GB/s) | 25.6 | 10.5 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR3 | DDR2 |
| Memory clock speed (MHz) | 800 | 655 |
| Effective memory clock speed (MHz) | 1,600 | 1,310 |
| Noise and power | ||
| TDP (W) | 30 | 25 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.72 | 2.4 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 8 |
| Shading units | 120 | 80 |
| Floating-point performance (GFLOPS) | 163 | 96 |
| Compute units | 3 | 1 |
| Texture rate (GTexel/s) | 5.44 | 4.8 |
| Benchmarks | ||
| PassMark | 250 | 242 |
| Cloud Gate Factor | - | 4.41 |
| T-Rex (GFXBench 3.0) | - | 558.8 |
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