Over 20 years of PC history
| Reference RV730 Board | Sapphire Radeon HD 4670 | |
|---|---|---|
| GPU type | RV730 | RV730 |
| Manufacturing process | 55 nm | 55 nm |
| Transistors | 514 million | 514 million |
| Die size | 145 mm2 | 145 mm2 |
| ROPs | 8 | 8 |
| TMUs | 32 | 32 |
| PS / VS | Unified Shaders | - / - | 320 | - / - | 320 |
| GPU clock | 750 MHz | 750 MHz |
| Pixel / texel fillrate | 6 000 MP/s ; 24 000 MT/s | 6 000 MP/s ; 24 000 MT/s |
| SP / DP gigaflops | 480 ; - | 480 ; - |
| DirectX / OpenGL | 10.1 ; 3.3 | 10.1 ; 3.3 |
| CUDA / OpenCL | - ; 1.0 | - ; 1.0 |
| Memory | 512 MB GDDR4 | 512 MB GDDR3 |
| Memory | 2 000 MHz ; 128 bit | 2 000 MHz ; 128 bit |
| Bandwith | 32 000 MB/s | 32 000 MB/s ; |
| Interface | PCI-E 2.0 x16 [8 192 MB/s] | PCI-E 2.0 x16 [8 192 MB/s] |
| TDP | 59 W | 59 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 | 2008 | 2008 |