ATI Radeon X850 PRO vs ATI Radeon HD 4570 Rebrand
What is the difference between ATI Radeon X850 PRO and ATI Radeon HD 4570 Rebrand. Find out which graphics card has better performance.
Graphics Processor (GPU)
| R480 | GPU Name | RV635 |
| R480 PRO (215RBPAGA11F) | Model number | RV635 PRO (215-0682008) |
| R400 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 130 nm | Process Size | 55 nm |
| 160 million | Transistors | 378 million |
| 297 mm² | Die Size | 135 mm² |
Graphics Card
| Dec 1st, 2004 | Release Date | Nov 22nd, 2009 |
| Radeon R400 PCIe (X850) | Family | Radeon R700 (HD 4500) |
| End-of-life | Production | End-of-life |
| Radeon R300 | Predecessor | Radeon R600 |
| PCIe 1.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 256 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | DDR2 |
| 256 bit | Memory Bus | 128 bit |
| 33.28 GB/s | Bandwidth | 12.67 GB/s |
Performance
| 6.084 GPixel/s | Pixel fillrate | 3.184 GPixel/s |
| 6.084 GTexel/s | Texture fillrate | 6.368 GTexel/s |
Clock Speeds
| 520 MHz 1040 Mbps effective | Memory Clock | 396 MHz 792 Mbps effective |
| 507 MHz | GPU Clock | 796 MHz |
Render Config
| 12 | TMUs | 8 |
| 12 | ROPs | 4 |
Board Design
| Single-slot | Slot Width | Single-slot |
| unknown | Thermal design power (TDP) | 65 W |
| 200 W | Suggested PSU | 250 W |
| 1x DVI 1x VGA 1x S-Video | Display Connectors | 2x DVI 1x S-Video |
API support
| 9.0b (9_2) | DirectX | 10.1 (10_1) |
| 2.1 | OpenGL | 3.3 |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |