ATI Mobility Radeon HD 4850 X2 vs ATI Mobility Radeon HD 4870 X2
What is the difference between ATI Mobility Radeon HD 4850 X2 and ATI Mobility Radeon HD 4870 X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M98 | GPU Name | M98 |
| TeraScale | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 55 nm |
| 956 million | Transistors | 956 million |
| 256 mm² | Die Size | 256 mm² |
Graphics Card
| Jan 9th, 2009 | Release Date | Jan 9th, 2009 |
| M9x (Mobility HD 4800) | Family | M9x (Mobility HD 4800) |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | M8x |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB x2 | Memory Size | 1024 MB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit x2 | Memory Bus | 256 bit x2 |
Clock Speeds
| 700 MHz 2.8 Gbps effective | Memory Clock | 700 MHz 2.8 Gbps effective |
| 500 MHz | GPU Clock | 550 MHz |
Render Config
| 40 x2 | TMUs | 40 x2 |
| 16 x2 | ROPs | 16 x2 |
Board Design
| No outputs | Display Connectors | No outputs |
API support
| 10.1 (10_1) | DirectX | 10.1 (10_1) |
| 3.3 | OpenGL | 3.3 |
| 1.1 | OpenCL | 1.1 |
| N/A | Vulkan | N/A |
| 4.1 | Shader Model | 4.1 |