Attribute | GeForce GTX 275 PhysX × | Radeon HD 3870 × |
---|---|---|
GPU | ||
Release year (year) | 2010 | 2008 |
Reference card | - | ATi Radeon HD 3870 777 MHz 512 MB |
GPU brand | Nvidia | ATI |
GPU name | GT200 B3 | RV670 XT |
Market | Desktop | Desktop |
Clock speed (MHz) | 633 | 825 |
Is dual GPU | - | - |
Model | GeForce GTX 275 PhysX | Radeon HD 3870 |
Memory | ||
Memory (MB) | 896 | 512 |
Memory bandwidth (GB/s) | 127 | 76.8 |
Memory bus (bit) | 448 | 256 |
Memory type | GDDR3 | GDDR4 |
Memory clock speed (MHz) | 1,134 | 1,200 |
Effective memory clock speed (MHz) | 2,268 | 2,400 |
Noise and power | ||
TDP (W) | 219 | 106 |
Raw performance | ||
Pixel rate (GPixel/s) | 17.72 | 13.2 |
Render output processors | 28 | 16 |
Texture mapping units | 80 | 16 |
Shading units | 240 | 320 |
Floating-point performance (GFLOPS) | 622 | 528 |
Compute units | - | 4 |
Texture rate (GTexel/s) | 50.64 | 13.2 |