ATI Mobility Radeon HD 3850 vs ATI Radeon HD 3870 X2
What is the difference between ATI Mobility Radeon HD 3850 and ATI Radeon HD 3870 X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M88 | GPU Name | R680 |
| TeraScale | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 55 nm |
| 666 million | Transistors | 666 million |
| 192 mm² | Die Size | 192 mm² |
Graphics Card
| Jun 4th, 2008 | Release Date | Jan 26th, 2008 |
| M8x (Mobility HD 3800) | Family | Radeon R600 (HD 3800) |
| End-of-life | Production | End-of-life |
| M7x | Predecessor | Radeon R500 PCIe |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 512 MB | Memory Size | 512 MB x2 |
| GDDR3 | Memory Type | GDDR3 |
| 256 bit | Memory Bus | 256 bit x2 |
Clock Speeds
| 750 MHz 1500 Mbps effective | Memory Clock | 901 MHz 1802 Mbps effective |
| 580 MHz | GPU Clock | 825 MHz |
Render Config
| 16 | TMUs | 16 x2 |
| 16 | ROPs | 16 x2 |
Board Design
| 35 W | Thermal design power (TDP) | 165 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 10.1 (10_1) | DirectX | 10.1 (10_1) |
| 3.3 | OpenGL | 3.3 (full) 4.0 (partial) |
| N/A | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 4.1 | Shader Model | 4.1 |