Intel Iris Plus Graphics 655 vs Intel UHD Graphics 617
Processeur graphique
| Nom du GPU | Coffee Lake GT3e | Amber Lake GT2 |
|---|---|---|
| Architecture | Generation 9.5 | Generation 9.5 |
| Fonderie | Intel | Intel |
| Taille du processus | 14 nm+++ | 14 nm |
| Transistors | unknown | unknown |
| Taille des matrices | unknown | unknown |
Carte graphique intégré
| Date de publication | Apr 3rd, 2018 | Nov 7th, 2018 |
|---|---|---|
| Génération | HD Graphics-M (Coffee Lake) | HD Graphics-T (Amber Lake) |
| Production | Active | Active |
| Bus interface | Ring Bus | Ring Bus |
| Critiques | 1 in our database | 1 in our database |
Vitesse clock
| Base clock | 300 MHz | 300 MHz |
|---|---|---|
| Boost clock | 1050 MHz | 1050 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 | 384 | 192 |
|---|---|---|
| TMUs | 48 | 24 |
| ROPs | 6 | 3 |
| Unités d'exécution | 48 | 24 |
Performance théorique
| Taux de pixel | 6.300 GPixel/s | 3.150 GPixel/s |
|---|---|---|
| Taux de texture | 50.40 GTexel/s | 25.20 GTexel/s |
| FP16 (half) performance | 1.613 TFLOPS (2:1) | 806.4 GFLOPS (2:1) |
| FP32 (float) performance | 806.4 GFLOPS | 403.2 GFLOPS |
| FP64 (double) performance | 201.6 GFLOPS (1:4) | 100.8 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 |
