Intel Iris Pro Graphics P580 vs AMD Radeon R7 265X OEM
What is the difference between Intel Iris Pro Graphics P580 and AMD Radeon R7 265X OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Skylake GT4e | GPU Name | Curacao |
| 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 | Aug 12th, 2014 |
| HD Graphics-WM (Skylake) | Family | Volcanic Islands (R7 200) |
| Active | Production | End-of-life |
| Ring Bus | Bus Interface | PCIe 3.0 x16 |
Memory
| System Shared | Memory Size | 2 GB |
| System Shared | Memory Type | GDDR5 |
| System Shared | Memory Bus | 256 bit |
| System Dependent | Bandwidth | 179.2 GB/s |
Performance
| 9.450 GPixel/s | Pixel fillrate | 29.60 GPixel/s |
| 75.60 GTexel/s | Texture fillrate | 74.00 GTexel/s |
| 1,210 GFLOPS | FP32 (float) performance | 2.368 TFLOPS |
| 302.4 GFLOPS (1:4) | FP64 (double) performance | 148.0 GFLOPS (1:16) |
Clock Speeds
| 350 MHz | Base Clock | 900 MHz |
| 1050 MHz | Boost Clock | 925 MHz |
| System Shared | Memory Clock | 1400 MHz 5.6 Gbps effective |
Render Config
| 576 | Shading Units | 1280 |
| 72 | TMUs | 80 |
| 9 | ROPs | 32 |
Board Design
| IGP | Slot Width | Dual-slot |
| 15 W | Thermal design power (TDP) | 150 W |
| No outputs | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
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 |