NVIDIA GeForce 7900 GS vs ATI Radeon HD 3850 X3
What is the difference between NVIDIA GeForce 7900 GS and ATI Radeon HD 3850 X3. Find out which graphics card has better performance.
Graphics Processor (GPU)
| G71 | GPU Name | RV670 |
| G71-N-A2 | Model number | RV670 PRO (215-0708003) |
| Curie | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 90 nm | Process Size | 55 nm |
| 278 million | Transistors | 666 million |
| 196 mm² | Die Size | 192 mm² |
Graphics Card
| May 1st, 2006 | Release Date | Never Released |
| GeForce 7 PCIe (7900) | Family | Radeon R600 (HD 3800) |
| End-of-life | Production | End-of-life |
| GeForce 6 PCIe | Predecessor | Radeon R500 PCIe |
| PCIe 1.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 256 MB | Memory Size | 512 MB x3 |
| GDDR3 | Memory Type | GDDR3 |
| 256 bit | Memory Bus | 256 bit x3 |
Clock Speeds
| 660 MHz 1320 Mbps effective | Memory Clock | 850 MHz 1700 Mbps effective |
| 450 MHz | GPU Clock | 669 MHz |
Render Config
| 20 | TMUs | 16 x3 |
| 16 | ROPs | 16 x3 |
Board Design
| 198 mm 7.8 inches | Length | 292 mm 11.5 inches |
| 49 W | Thermal design power (TDP) | 145 W |
| 200 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 | OpenGL | 3.3 (full) 4.0 (partial) |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 3.0 | Shader Model | 4.1 |