Over 20 years of PC history
| Reference RV670 Board | Asus Radeon HD 3870 | |
|---|---|---|
| GPU type | RV670 | RV670 |
| Manufacturing process | 55 nm | 55 nm |
| Transistors | 666 million | 666 million |
| Die size | 192 mm2 | 192 mm2 |
| ROPs | 16 | 16 |
| TMUs | 16 | 16 |
| PS / VS | Unified Shaders | - / - | 320 | - / - | 320 |
| GPU clock | 775 MHz | 775 MHz |
| Pixel / texel fillrate | 12 400 MP/s ; 12 400 MT/s | 12 400 MP/s ; 12 400 MT/s |
| SP / DP gigaflops | 496 ; 99 | 497 ; 99 |
| DirectX / OpenGL | 10.1 ; 3.3 | 10.1 ; 3.3 |
| CUDA / OpenCL | - ; - | - ; - |
| Memory | 512 MB GDDR4 | 512 MB GDDR4 |
| Memory | 2 250 MHz ; 256 bit | 2 250 MHz ; 256 bit |
| Bandwith | 72 000 MB/s | 72 000 MB/s ; |
| Interface | PCI-E 2.0 x16 [8 192 MB/s] | PCI-E 2.0 x16 [8 192 MB/s] |
| TDP | 106 W | 106 W |
| Analog I/O ports | 1 × S-Video out, 2 × DVI-I | 1 × S-Video out, 2 × DVI-I |
| Digital I/O ports | 2 × DVI-I | 2 × DVI-I |
| Independent screens | 2 | 2 |
| Introduce date | 2007 | 2007 |