AMD Stream Processor vs ATI Radeon HD 3850 X3
What is the difference between AMD Stream Processor and ATI Radeon HD 3850 X3. Find out which graphics card has better performance.
Graphics Processor (GPU)
| R580 | GPU Name | RV670 |
| R580 XTX | Model number | RV670 PRO (215-0708003) |
| R500 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 90 nm | Process Size | 55 nm |
| 384 million | Transistors | 666 million |
| 352 mm² | Die Size | 192 mm² |
Graphics Card
| 2006 | Release Date | Never Released |
| FireStream | Family | Radeon R600 (HD 3800) |
| End-of-life | Production | End-of-life |
| PCIe 1.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 512 MB x3 |
| GDDR3 | Memory Type | GDDR3 |
| 256 bit | Memory Bus | 256 bit x3 |
Clock Speeds
| 648 MHz 1296 Mbps effective | Memory Clock | 850 MHz 1700 Mbps effective |
| 594 MHz | GPU Clock | 669 MHz |
Render Config
| 16 | TMUs | 16 x3 |
| 16 | ROPs | 16 x3 |
Board Design
| 241 mm 9.5 inches | Length | 292 mm 11.5 inches |
| 165 W | Thermal design power (TDP) | 145 W |
| 450 W | Suggested PSU | 300 W |
| 2x DVI 1x S-Video | Display Connectors | 4x DVI |
| 1x 6-pin | Power Connectors | 1x 8-pin |
API support
| 9.0c (9_3) | DirectX | 10.1 (10_1) |
| 2.1 (full) 3.0 (partial) | OpenGL | 3.3 (full) 4.0 (partial) |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 3.0 | Shader Model | 4.1 |