AMD Radeon HD 7970M vs Intel Iris Pro Graphics 580
What is the difference between AMD Radeon HD 7970M and Intel Iris Pro Graphics 580. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Wimbledon | GPU Name | Skylake GT4e |
| GCN 1.0 | Architecture | Generation 9.0 |
| TSMC | Foundry | Intel |
| 28 nm | Process Size | 14 nm+ |
| 2,800 million | Transistors | unknown |
| 212 mm² | Die Size | unknown |
Graphics Card
| Apr 24th, 2012 | Release Date | Sep 1st, 2015 |
| London (HD 7900M) | Family | HD Graphics-M (Skylake) |
| End-of-life | Production | Active |
| MXM-B (3.0) | Bus Interface | Ring Bus |
Memory
| 2 GB | Memory Size | System Shared |
| GDDR5 | Memory Type | System Shared |
| 256 bit | Memory Bus | System Shared |
| 153.6 GB/s | Bandwidth | System Dependent |
Performance
| 27.20 GPixel/s | Pixel fillrate | 8.550 GPixel/s |
| 68.00 GTexel/s | Texture fillrate | 68.40 GTexel/s |
| 2.176 TFLOPS | FP32 (float) performance | 1,094 GFLOPS |
| 136.0 GFLOPS (1:16) | FP64 (double) performance | 273.6 GFLOPS (1:4) |
Clock Speeds
| 1200 MHz 4.8 Gbps effective | Memory Clock | System Shared |
Render Config
| 1280 | Shading Units | 576 |
| 80 | TMUs | 72 |
| 32 | ROPs | 9 |
Board Design
| MXM Module | Slot Width | IGP |
| 100 W | Thermal design power (TDP) | 15 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_1) | DirectX | 12 (12_1) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.4 |