AMD Stream Processor vs Intel Iris Pro Graphics P555
Graphics Processor
| GPU model | R580 | Skylake GT3e |
|---|---|---|
| GPU variant | R580 XTX | — |
| Architecture | R500 | Generation 9.0 |
| Foundry | TSMC | Intel |
| Manufacturing process | 90 nm | 14 nm+ |
| Number of transistors | 384 million | unknown |
| Die size | 352 mm² | unknown |
Graphics Card
| Release date | 2006 | — |
|---|---|---|
| Generation | FireStream | — |
| Production | End-of-life | — |
| Interface | PCIe 1.0 x16 | — |
Clocks
| GPU clock | 594 MHz | — |
|---|---|---|
| Memory clock | 648 MHz 1296 Mbps effective | System Shared |
| Base clock | — | 350 MHz |
| Boost clock | — | 1000 MHz |
Memory Configuration
| Memory size | 1024 MB | System Shared |
|---|---|---|
| Memory type | GDDR3 | System Shared |
| Memory bus width | 256 bit | System Shared |
| Bandwidth | 41.47 GB/s | System Dependent |
Render Configuration
| Pixel shaders | 48 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 16 | 48 |
| ROPs | 16 | 6 |
| Shading units | — | 384 |
| Execution units | — | 48 |
Performance
| Pixel rate | 9.504 GPixel/s | 6.000 GPixel/s |
|---|---|---|
| Vertex rate | 1.188 GVertices/s | — |
| Texture rate | 9.504 GTexel/s | 48.00 GTexel/s |
| FP16 (half) performance | — | 1.536 TFLOPS (2:1) |
| FP32 (float) performance | — | 768.0 GFLOPS |
| FP64 (double) performance | — | 192.0 GFLOPS (1:4) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 241 mm 9.5 inches | — |
| Width | 111 mm 4.4 inches | — |
| TDP | 165 W | 15 W |
| Suggested PSU | 450 W | — |
| Outputs | 2x DVI1x S-Video | No outputs |
| Power connectors | 1x 6-pin | — |
API Support & Features
| DirectX | 9.0c (9_3) | 12 (12_1) |
|---|---|---|
| OpenGL | 2.1 (full) 3.0 (partial) | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.2 |
| Shader model | 3.0 | 6.4 |
Other Features
Integrated Graphics
| Release date | — | Sep 1st, 2015 |
|---|---|---|
| Generation | — | HD Graphics-W (Skylake) |
| Production | — | Active |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
