ATI Mobility Radeon HD 3870 vs ATI Radeon X1950 XTX Uber Edition
What is the difference between ATI Mobility Radeon HD 3870 and ATI Radeon X1950 XTX Uber Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M88 | GPU Name | R580+ |
| TeraScale | Architecture | R500 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 90 nm |
| 666 million | Transistors | 384 million |
| 192 mm² | Die Size | 352 mm² |
Graphics Card
| Jun 4th, 2008 | Release Date | Jan 19th, 2007 |
| M8x (Mobility HD 3800) | Family | Radeon R500 PCIe (X1950) |
| End-of-life | Production | End-of-life |
| M7x | Predecessor | Radeon R400 PCIe |
| PCIe 2.0 x16 | Bus Interface | PCIe 1.0 x16 |
Memory
| 512 MB | Memory Size | 512 MB |
| GDDR3 | Memory Type | GDDR4 |
| 256 bit | Memory Bus | 256 bit |
| 54.40 GB/s | Bandwidth | 67.20 GB/s |
Performance
| 10.56 GPixel/s | Pixel fillrate | 10.72 GPixel/s |
| 10.56 GTexel/s | Texture fillrate | 10.72 GTexel/s |
Clock Speeds
| 850 MHz 1700 Mbps effective | Memory Clock | 1050 MHz 2.1 Gbps effective |
| 660 MHz | GPU Clock | 670 MHz |
Render Config
| 16 | TMUs | 16 |
| 16 | ROPs | 16 |
Board Design
| 55 W | Thermal design power (TDP) | 125 W |
| No outputs | Display Connectors | 1x DVI 1x VHDCI |
API support
| 10.1 (10_1) | DirectX | 9.0c (9_3) |
| 3.3 | OpenGL | 2.1 (full) 3.0 (partial) |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 4.1 | Shader Model | 3.0 |