Comparison of GeForce 8800 GS and Mobility Radeon HD 3870 [S]ave
| Attribute |  Mobility Radeon HD 3870 × |  GeForce 8800 GS × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2008 |
| GPU brand | ATI | Nvidia |
| GPU name | M88 | G92 |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 660 | 550 |
| Is dual GPU | - | - |
| Model | Mobility Radeon HD 3870 | GeForce 8800 GS |
| Memory | ||
| Memory (MB) | 512 | 384 |
| Memory bandwidth (GB/s) | 54.4 | 38.4 |
| Memory bus (bit) | 256 | 192 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 850 | 800 |
| Effective memory clock speed (MHz) | 1,700 | 1,600 |
| Noise and power | ||
| TDP (W) | 55 | 105 |
| Load power consumption (W) | 253 | - |
| Idle power consumption (W) | 115 | - |
| Load noise level (dB) | 42.3 | - |
| Idle noise level (dB) | 39.9 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 10.56 | 6.6 |
| Render output processors | 16 | 12 |
| Texture mapping units | 16 | 48 |
| Shading units | 320 | 96 |
| Floating-point performance (GFLOPS) | 422 | 264 |
| Compute units | 4 | - |
| Texture rate (GTexel/s) | 10.56 | 26.4 |
| Benchmarks | ||
| PassMark | 728 | 551 |
| 3DMark Vantage (Texture Fill) | 12.69 | - |
| Cloud Gate Factor | - | 9.85 |
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