Intel Iris Pro Graphics P580 vs AMD Radeon R9 M290X
What is the difference between Intel Iris Pro Graphics P580 and AMD Radeon R9 M290X. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Skylake GT4e | GPU Name | Neptune |
| Generation 9.0 | Architecture | GCN 1.0 |
| Intel | Foundry | TSMC |
| 14 nm+ | Process Size | 28 nm |
| unknown | Transistors | 2,800 million |
| unknown | Die Size | 212 mm² |
Graphics Card
| Sep 1st, 2015 | Release Date | Jan 9th, 2014 |
| HD Graphics-WM (Skylake) | Family | Crystal System (R9 M200) |
| Active | Production | End-of-life |
| Ring Bus | Bus Interface | PCIe 3.0 x16 |
Memory
| System Shared | Memory Size | 4 GB |
| System Shared | Memory Type | GDDR5 |
| System Shared | Memory Bus | 256 bit |
| System Dependent | Bandwidth | 153.6 GB/s |
Performance
| 9.450 GPixel/s | Pixel fillrate | 28.80 GPixel/s |
| 75.60 GTexel/s | Texture fillrate | 72.00 GTexel/s |
| 1,210 GFLOPS | FP32 (float) performance | 2.304 TFLOPS |
| 302.4 GFLOPS (1:4) | FP64 (double) performance | 144.0 GFLOPS (1:16) |
Clock Speeds
| 350 MHz | Base Clock | 850 MHz |
| 1050 MHz | Boost Clock | 900 MHz |
| System Shared | Memory Clock | 1200 MHz 4.8 Gbps effective |
Render Config
| 576 | Shading Units | 1280 |
| 72 | TMUs | 80 |
| 9 | ROPs | 32 |
Board Design
| IGP | Slot Width | MXM Module |
| 15 W | Thermal design power (TDP) | 100 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (12_1) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 5.1 |