Intel Iris Pro Graphics 580 vs Intel Iris Pro Graphics P555
Processeur graphique
| Nom du GPU | Skylake GT4e | Skylake GT3e |
|---|---|---|
| Architecture | Generation 9.0 | Generation 9.0 |
| Fonderie | Intel | Intel |
| Taille du processus | 14 nm+ | 14 nm+ |
| Transistors | unknown | unknown |
| Taille des matrices | unknown | unknown |
Carte graphique intégré
| Date de publication | Sep 1st, 2015 | Sep 1st, 2015 |
|---|---|---|
| Génération | HD Graphics-M (Skylake) | HD Graphics-W (Skylake) |
| Production | Active | Active |
| Bus interface | Ring Bus | Ring Bus |
| Critiques | 1 in our database | 1 in our database |
Vitesse clock
| Base clock | 350 MHz | 350 MHz |
|---|---|---|
| Boost clock | 950 MHz | 1000 MHz |
| Mémoire clock | System Shared | System Shared |
Mémoire
| Taille de la mémoire | System Shared | System Shared |
|---|---|---|
| Type de mémoire | System Shared | System Shared |
| Bus mémoire | System Shared | System Shared |
| Bande passante | System Dependent | System Dependent |
Render Config
| Shading units | 576 | 384 |
|---|---|---|
| TMUs | 72 | 48 |
| ROPs | 9 | 6 |
| Unités d'exécution | 72 | 48 |
Performance théorique
| Taux de pixel | 8.550 GPixel/s | 6.000 GPixel/s |
|---|---|---|
| Taux de texture | 68.40 GTexel/s | 48.00 GTexel/s |
| FP16 (half) performance | 2.189 TFLOPS (2:1) | 1.536 TFLOPS (2:1) |
| FP32 (float) performance | 1,094 GFLOPS | 768.0 GFLOPS |
| FP64 (double) performance | 273.6 GFLOPS (1:4) | 192.0 GFLOPS (1:4) |
Board Design
| Taille Slot | IGP | IGP |
|---|---|---|
| TDP | 15 W | 15 W |
| Sorties | No outputs | No outputs |
Caractéristiques graphiques
| DirectX | 12 (12_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.4 |
