ATI Mobility Radeon HD 3850 vs NVIDIA GeForce 7900 GS
What is the difference between ATI Mobility Radeon HD 3850 and NVIDIA GeForce 7900 GS. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M88 | GPU Name | G71 |
| TeraScale | Architecture | Curie |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 90 nm |
| 666 million | Transistors | 278 million |
| 192 mm² | Die Size | 196 mm² |
Graphics Card
| Jun 4th, 2008 | Release Date | May 1st, 2006 |
| M8x (Mobility HD 3800) | Family | GeForce 7 PCIe (7900) |
| End-of-life | Production | End-of-life |
| M7x | Predecessor | GeForce 6 PCIe |
| PCIe 2.0 x16 | Bus Interface | PCIe 1.0 x16 |
Memory
| 512 MB | Memory Size | 256 MB |
| GDDR3 | Memory Type | GDDR3 |
| 256 bit | Memory Bus | 256 bit |
| 48.00 GB/s | Bandwidth | 42.24 GB/s |
Performance
| 9.280 GPixel/s | Pixel fillrate | 7.200 GPixel/s |
| 9.280 GTexel/s | Texture fillrate | 9.000 GTexel/s |
Clock Speeds
| 750 MHz 1500 Mbps effective | Memory Clock | 660 MHz 1320 Mbps effective |
| 580 MHz | GPU Clock | 450 MHz |
Render Config
| 16 | TMUs | 20 |
| 16 | ROPs | 16 |
Board Design
| 35 W | Thermal design power (TDP) | 49 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 10.1 (10_1) | DirectX | 9.0c (9_3) |
| 3.3 | OpenGL | 2.1 |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 4.1 | Shader Model | 3.0 |