AMD Radeon HD 6850 X2 vs AMD Radeon HD 6950M
What is the difference between AMD Radeon HD 6850 X2 and AMD Radeon HD 6950M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Barts | GPU Name | Blackcomb |
| Barts PRO (215-0798006) | Model number | Blackcomb PRO |
| TeraScale 2 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 1,700 million | Transistors | 1,700 million |
| 255 mm² | Die Size | 212 mm² |
Graphics Card
| Sep 19th, 2011 | Release Date | Jan 4th, 2011 |
| Northern Islands (HD 6800) | Family | Vancouver (HD 6900M) |
| End-of-life | Production | End-of-life |
| Evergreen | Predecessor | Manhattan |
| PCIe 2.0 x16 | Bus Interface | MXM-B (3.0) |
Memory
| 2 GB x2 | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit x2 | Memory Bus | 256 bit |
Clock Speeds
| 1050 MHz 4.2 Gbps effective | Memory Clock | 900 MHz 3.6 Gbps effective |
| 800 MHz | GPU Clock | 580 MHz |
Render Config
| 48 x2 | TMUs | 48 |
| 32 x2 | ROPs | 32 |
Board Design
| 254 W | Thermal design power (TDP) | 50 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 11.2 (11_0) |
| 4.4 | OpenGL | 4.4 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 5.0 |