AMD Radeon HD 6950 vs Intel Iris Pro Graphics 580
What is the difference between AMD Radeon HD 6950 and Intel Iris Pro Graphics 580. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Cayman | GPU Name | Skylake GT4e |
| TeraScale 3 | Architecture | Generation 9.0 |
| TSMC | Foundry | Intel |
| 40 nm | Process Size | 14 nm+ |
| 2,640 million | Transistors | unknown |
| 389 mm² | Die Size | unknown |
Graphics Card
| Dec 14th, 2010 | Release Date | Sep 1st, 2015 |
| Northern Islands (HD 6900) | Family | HD Graphics-M (Skylake) |
| End-of-life | Production | Active |
| PCIe 2.0 x16 | Bus Interface | Ring Bus |
Memory
| 2 GB | Memory Size | System Shared |
| GDDR5 | Memory Type | System Shared |
| 256 bit | Memory Bus | System Shared |
| 160.0 GB/s | Bandwidth | System Dependent |
Performance
| 25.60 GPixel/s | Pixel fillrate | 8.550 GPixel/s |
| 70.40 GTexel/s | Texture fillrate | 68.40 GTexel/s |
| 2.253 TFLOPS | FP32 (float) performance | 1,094 GFLOPS |
| 563.2 GFLOPS (1:4) | FP64 (double) performance | 273.6 GFLOPS (1:4) |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | System Shared |
Render Config
| 1408 | Shading Units | 576 |
| 88 | TMUs | 72 |
| 32 | ROPs | 9 |
Board Design
| Dual-slot | Slot Width | IGP |
| 200 W | Thermal design power (TDP) | 15 W |
| 2x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 12 (12_1) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 6.4 |