AMD Radeon HD 8550 OEM vs NVIDIA GeForce 7900 GTX
What is the difference between AMD Radeon HD 8550 OEM and NVIDIA GeForce 7900 GTX. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Turks | GPU Name | G71 |
| Turks PRO (215-0803002) | Model number | G71-U-N-A2 |
| TeraScale 2 | Architecture | Curie |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 90 nm |
| 716 million | Transistors | 278 million |
| 118 mm² | Die Size | 196 mm² |
Graphics Card
| Oct 25th, 2013 | Release Date | Mar 9th, 2006 |
| Sea Islands (HD 8500) | Family | GeForce 7 PCIe (7900) |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | GeForce 6 PCIe |
| PCIe 2.0 x16 | Bus Interface | PCIe 1.0 x16 |
Memory
| 1024 MB | Memory Size | 512 MB |
| GDDR3 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 256 bit |
| 25.60 GB/s | Bandwidth | 51.20 GB/s |
Performance
| 5.200 GPixel/s | Pixel fillrate | 10.40 GPixel/s |
| 15.60 GTexel/s | Texture fillrate | 15.60 GTexel/s |
Clock Speeds
| 800 MHz 1600 Mbps effective | Memory Clock | 800 MHz 1600 Mbps effective |
| 650 MHz | GPU Clock | 650 MHz |
Render Config
| 24 | TMUs | 24 |
| 8 | ROPs | 16 |
Board Design
| Single-slot | Slot Width | Single-slot |
| 60 W | Thermal design power (TDP) | 84 W |
| 250 W | Suggested PSU | 250 W |
| 1x DVI 1x HDMI 1x VGA | Display Connectors | 2x DVI 1x S-Video |
| None | Power Connectors | 1x 6-pin |
API support
| 11.2 (11_0) | DirectX | 9.0c (9_3) |
| 4.4 | OpenGL | 2.1 |
| 1.2 | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 3.0 |