NVIDIA GeForce 7900 GX2 vs ATI Radeon HD 5450 PCIe x1
What is the difference between NVIDIA GeForce 7900 GX2 and ATI Radeon HD 5450 PCIe x1. Find out which graphics card has better performance.
Graphics Processor (GPU)
| G71 | GPU Name | Cedar |
| Curie | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 90 nm | Process Size | 40 nm |
| 278 million | Transistors | 292 million |
| 196 mm² | Die Size | 59 mm² |
Graphics Card
| Apr 30th, 2006 | Release Date | Feb 4th, 2010 |
| GeForce 7 PCIe (7900) | Family | Evergreen (HD 5400) |
| End-of-life | Production | End-of-life |
| GeForce 6 PCIe | Predecessor | Radeon R700 |
| PCIe 1.0 x16 | Bus Interface | PCIe 2.0 x1 |
Memory
| 512 MB x2 | Memory Size | 512 MB |
| GDDR3 | Memory Type | DDR3 |
| 256 bit x2 | Memory Bus | 64 bit |
Clock Speeds
| 600 MHz 1200 Mbps effective | Memory Clock | 500 MHz 1000 Mbps effective |
| 500 MHz | GPU Clock | 650 MHz |
Render Config
| 24 x2 | TMUs | 8 |
| 16 x2 | ROPs | 4 |
Board Design
| 312 mm 12.3 inches | Length | 170 mm 6.7 inches |
| 110 W | Thermal design power (TDP) | 19 W |
| 300 W | Suggested PSU | 200 W |
| 2x DVI 1x S-Video | Display Connectors | 1x DVI 1x HDMI 1x VGA |
API support
| 9.0c (9_3) | DirectX | 11.2 (11_0) |
| 2.1 | OpenGL | 4.4 |
| N/A | OpenCL | 1.2 |
| N/A | Vulkan | N/A |
| 3.0 | Shader Model | 5.0 |