AMD Radeon HD 7970M vs AMD Radeon HD 6950
What is the difference between AMD Radeon HD 7970M and AMD Radeon HD 6950. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Wimbledon | GPU Name | Cayman |
| Wimbledon XT (216-0836036) | Model number | Cayman PRO (215-0807019) |
| GCN 1.0 | Architecture | TeraScale 3 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 40 nm |
| 2,800 million | Transistors | 2,640 million |
| 212 mm² | Die Size | 389 mm² |
Graphics Card
| Apr 24th, 2012 | Release Date | Dec 14th, 2010 |
| London (HD 7900M) | Family | Northern Islands (HD 6900) |
| End-of-life | Production | End-of-life |
| Vancouver | Predecessor | Evergreen |
| MXM-B (3.0) | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 256 bit |
| 153.6 GB/s | Bandwidth | 160.0 GB/s |
Performance
| 27.20 GPixel/s | Pixel fillrate | 25.60 GPixel/s |
| 68.00 GTexel/s | Texture fillrate | 70.40 GTexel/s |
| 2.176 TFLOPS | FP32 (float) performance | 2.253 TFLOPS |
| 136.0 GFLOPS (1:16) | FP64 (double) performance | 563.2 GFLOPS (1:4) |
Clock Speeds
| 1200 MHz 4.8 Gbps effective | Memory Clock | 1250 MHz 5 Gbps effective |
| 850 MHz | GPU Clock | 800 MHz |
Render Config
| 1280 | Shading Units | 1408 |
| 80 | TMUs | 88 |
| 32 | ROPs | 32 |
| 20 | Compute Units | 22 |
| 16 KB (per CU) | L1 Cache | 8 KB (per CU) |
| 512 KB | L2 Cache | 512 KB |
Board Design
| MXM Module | Slot Width | Dual-slot |
| 100 W | Thermal design power (TDP) | 200 W |
| No outputs | Display Connectors | 2x DVI 1x HDMI 2x mini-DisplayPort |
| None | Power Connectors | 2x 6-pin |
| C429 | Board Number | C216-47 |
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 |