Over 20 years of PC history
| Sapphire Radeon HD 4850 X2 | |
|---|---|
| GPU type | 2 × RV770 |
| Manufacturing process | 55 nm |
| Transistors | 1 912 million |
| Die size | 512 mm2 |
| ROPs | 32 |
| TMUs | 80 |
| PS / VS | Unified Shaders | 0 / 0 | 1 600 |
| GPU clock | 625 MHz |
| Pixel / texel fillrate | 20 000 ; 50 000 |
| SP / DP gigaflops | 2 000 ; 400 |
| DirectX / OpenGL | 10.1 ; 3.3 |
| Compute ver. / OpenCL | - ; 1.0 |
| Memory | 1 024 MB GDDR3 |
| Memory | 2 000 MHz ; 512 |
| Bandwith | 128 000 MB/s |
| Interface | PCI-E 2.0 x16 [8 192 MB/s] |
| TDP | 250 W |
| Analog I/O ports | 1 × S-Video out, 4 × DVI-I |
| Digital I/O ports | 4 × DVI-I |
| Independent screens | 4 |
| Introduce date | 2008 |