AMD Radeon HD 6850M vs AMD Radeon HD 6870M
What is the difference between AMD Radeon HD 6850M and AMD Radeon HD 6870M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Granville | GPU Name | Granville |
| Granville PRO | Model number | Granville XT (216-0769024) |
| TeraScale 2 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 1,040 million | Transistors | 1,040 million |
| 166 mm² | Die Size | 166 mm² |
Graphics Card
| Jan 4th, 2011 | Release Date | Jan 4th, 2011 |
| Vancouver (HD 6800M) | Family | Vancouver (HD 6800M) |
| End-of-life | Production | End-of-life |
| Manhattan | Predecessor | Manhattan |
| PCIe 2.0 x16 | Bus Interface | MXM-B (3.0) |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 25.60 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 10.80 GPixel/s | Pixel fillrate | 10.80 GPixel/s |
| 27.00 GTexel/s | Texture fillrate | 27.00 GTexel/s |
| 1,080 GFLOPS | FP32 (float) performance | 1,080 GFLOPS |
Clock Speeds
| 800 MHz 1600 Mbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
| 675 MHz | GPU Clock | 675 MHz |
Render Config
| 800 | Shading Units | 800 |
| 40 | TMUs | 40 |
| 16 | ROPs | 16 |
| 10 | Compute Units | 10 |
| 8 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| 50 W | Thermal design power (TDP) | 50 W |
| No outputs | 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 |