AMD Radeon HD 6870M vs AMD Radeon HD 6950M
What is the difference between AMD Radeon HD 6870M and AMD Radeon HD 6950M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Granville | GPU Name | Blackcomb |
| Granville XT (216-0769024) | Model number | Blackcomb PRO |
| TeraScale 2 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 1,040 million | Transistors | 1,700 million |
| 166 mm² | Die Size | 212 mm² |
Graphics Card
| Jan 4th, 2011 | Release Date | Jan 4th, 2011 |
| Vancouver (HD 6800M) | Family | Vancouver (HD 6900M) |
| End-of-life | Production | End-of-life |
| Manhattan | Predecessor | Manhattan |
| MXM-B (3.0) | Bus Interface | MXM-B (3.0) |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit |
| 64.00 GB/s | Bandwidth | 115.2 GB/s |
Performance
| 10.80 GPixel/s | Pixel fillrate | 18.56 GPixel/s |
| 27.00 GTexel/s | Texture fillrate | 27.84 GTexel/s |
| 1,080 GFLOPS | FP32 (float) performance | 1,114 GFLOPS |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 900 MHz 3.6 Gbps effective |
| 675 MHz | GPU Clock | 580 MHz |
Render Config
| 800 | Shading Units | 960 |
| 40 | TMUs | 48 |
| 16 | ROPs | 32 |
| 10 | Compute Units | 12 |
| 8 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 256 KB | L2 Cache | 512 KB |
Board Design
| MXM Module | Slot Width | MXM Module |
| 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 |