AMD Radeon HD 7850M vs AMD Radeon HD 6850 X2
What is the difference between AMD Radeon HD 7850M and AMD Radeon HD 6850 X2. Find out which graphics card has better performance.
Benchmarks
| 1373 | PassMark G3D | 2534 |
| 566 | PassMark G2D | 373 |
Graphics Processor (GPU)
| Heathrow | GPU Name | Barts |
| Heathrow PRO | Model number | Barts PRO (215-0798006) |
| GCN 1.0 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 1,500 million | Transistors | 1,700 million |
| 123 mm² | Die Size | 255 mm² |
Graphics Card
| Apr 24th, 2012 | Release Date | Sep 19th, 2011 |
| London (HD 7800M) | Family | Northern Islands (HD 6800) |
| End-of-life | Production | End-of-life |
| Vancouver | Predecessor | Evergreen |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit x2 |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 1050 MHz 4.2 Gbps effective |
| 675 MHz | GPU Clock | 800 MHz |
Render Config
| 40 | TMUs | 48 x2 |
| 16 | ROPs | 32 x2 |
Board Design
| 40 W | Thermal design power (TDP) | 254 W |
| No outputs | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
API support
| 12 (11_1) | DirectX | 11.2 (11_0) |
| 4.6 | OpenGL | 4.4 |
| 1.2 | OpenCL | 1.2 |
| 1.2 | Vulkan | N/A |
| 5.1 | Shader Model | 5.0 |