Attribute | Radeon HD 3850 X2 × | Mobility Radeon HD 3870 X2 × |
---|---|---|
GPU | ||
Release year (year) | 2008 | 2008 |
GPU brand | ATI | ATI |
GPU name | RV670 | M88 |
Market | Desktop | Laptop |
Clock speed (MHz) | 669 | 660 |
Is dual GPU | + | + |
Model | Radeon HD 3850 X2 | Mobility Radeon HD 3870 X2 |
Memory | ||
Memory (MB) | 1,024 | 1,024 |
Memory bandwidth (GB/s) | 106 | 108.8 |
Memory bus (bit) | 512 | 512 |
Memory type | GDDR3 | GDDR3 |
Memory clock speed (MHz) | 828 | 850 |
Effective memory clock speed (MHz) | 1,656 | 1,700 |
Noise and power | ||
TDP (W) | 140 | 110 |
Raw performance | ||
Pixel rate (GPixel/s) | 21.4 | 21.12 |
Render output processors | 32 | 32 |
Texture mapping units | 32 | 32 |
Shading units | 640 | 640 |
Floating-point performance (GFLOPS) | 856 | 845 |
Compute units | 8 | 8 |
Texture rate (GTexel/s) | 21.4 | 21.12 |
Benchmarks | ||
PassMark | 792 | 563 |