AMD Radeon HD 7950M vs AMD Radeon R9 M280X
What is the difference between AMD Radeon HD 7950M and AMD Radeon R9 M280X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Wimbledon | GPU Name | Saturn |
| Wimbledon PRO | Model number | Saturn XT |
| GCN 1.0 | Architecture | GCN 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 2,800 million | Transistors | 2,080 million |
| 212 mm² | Die Size | 160 mm² |
Graphics Card
| Apr 24th, 2012 | Release Date | Feb 5th, 2015 |
| London (HD 7900M) | Family | Crystal System (R9 M200) |
| End-of-life | Production | Active |
| Vancouver | Predecessor | Solar System |
| MXM-B (3.0) | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 128.0 GB/s | Bandwidth | 96.00 GB/s |
Performance
| 22.40 GPixel/s | Pixel fillrate | 17.60 GPixel/s |
| 56.00 GTexel/s | Texture fillrate | 61.60 GTexel/s |
| 1.792 TFLOPS | FP32 (float) performance | 1.971 TFLOPS |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 1280 | Shading Units | 896 |
| 80 | TMUs | 56 |
| 32 | ROPs | 16 |
| 20 | Compute Units | 14 |
| 16 KB (per CU) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| 75 W | Thermal design power (TDP) | unknown |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_1) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.3 |