AMD Radeon R7 M270 vs Intel Iris Pro Graphics P580
Graphics Processor
| GPU model | Opal | Skylake GT4e |
|---|---|---|
| GPU variant | Opal XT | — |
| Architecture | GCN 1.0 | Generation 9.0 |
| Foundry | TSMC | Intel |
| Manufacturing process | 28 nm | 14 nm+ |
| Number of transistors | 950 million | unknown |
| Die size | 77 mm² | unknown |
Mobile graphics
| Release date | Jan 9th, 2014 | — |
|---|---|---|
| Generation | Crystal System (R7 M200) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Solar System | — |
| Successor | Mobility Radeon | — |
Clocks
| Base clock | 725 MHz | 350 MHz |
|---|---|---|
| Boost clock | 825 MHz | 1050 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | System Shared |
Memory Configuration
| Memory size | 2 GB | System Shared |
|---|---|---|
| Memory type | DDR3 | System Shared |
| Memory bus width | 128 bit | System Shared |
| Bandwidth | 28.80 GB/s | System Dependent |
Render Configuration
| Shading units | 384 | 576 |
|---|---|---|
| TMUs | 24 | 72 |
| ROPs | 8 | 9 |
| Compute units | 6 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Execution units | — | 72 |
Performance
| Pixel rate | 6.600 GPixel/s | 9.450 GPixel/s |
|---|---|---|
| Texture rate | 19.80 GTexel/s | 75.60 GTexel/s |
| FP32 (float) performance | 633.6 GFLOPS | 1,210 GFLOPS |
| FP16 (half) performance | — | 2.419 TFLOPS (2:1) |
| FP64 (double) performance | — | 302.4 GFLOPS (1:4) |
Dimensions & Outputs
| TDP | unknown | 15 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
Other Features
Integrated Graphics
| Release date | — | Sep 1st, 2015 |
|---|---|---|
| Generation | — | HD Graphics-WM (Skylake) |
| Production | — | Active |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
