Intel Iris Pro Graphics P580 vs NVIDIA GeForce 845M
Processeur graphique
| Nom du GPU | Skylake GT4e | GM107 |
|---|---|---|
| Architecture | Generation 9.0 | Maxwell |
| Fonderie | Intel | TSMC |
| Taille du processus | 14 nm+ | 28 nm |
| Transistors | unknown | 1,870 million |
| Taille des matrices | unknown | 148 mm² |
| GPU variant | — | N15S-GT1R |
Carte graphique intégré
| Date de publication | Sep 1st, 2015 | — |
|---|---|---|
| Génération | HD Graphics-WM (Skylake) | — |
| Production | Active | — |
| Bus interface | Ring Bus | — |
| Critiques | 1 in our database | — |
Vitesse clock
| Base clock | 350 MHz | — |
|---|---|---|
| Boost clock | 1050 MHz | — |
| Mémoire clock | System Shared | 1001 MHz 2 Gbps effective |
| GPU clock | — | 863 MHz |
Mémoire
| Taille de la mémoire | System Shared | 2 GB |
|---|---|---|
| Type de mémoire | System Shared | DDR3 |
| Bus mémoire | System Shared | 64 bit |
| Bande passante | System Dependent | 16.02 GB/s |
Render Config
| Shading units | 576 | 512 |
|---|---|---|
| TMUs | 72 | 32 |
| ROPs | 9 | 16 |
| Unités d'exécution | 72 | — |
| Comptage SMM | — | 4 |
| Cache L1 | — | 64 KB (per SMM) |
| Cache L2 | — | 1024 KB |
Performance théorique
| Taux de pixel | 9.450 GPixel/s | 13.81 GPixel/s |
|---|---|---|
| Taux de texture | 75.60 GTexel/s | 27.62 GTexel/s |
| FP16 (half) performance | 2.419 TFLOPS (2:1) | — |
| FP32 (float) performance | 1,210 GFLOPS | 883.7 GFLOPS |
| FP64 (double) performance | 302.4 GFLOPS (1:4) | 27.62 GFLOPS (1:32) |
Board Design
| Taille Slot | IGP | IGP |
|---|---|---|
| TDP | 15 W | 45 W |
| Sorties | No outputs | No outputs |
Caractéristiques graphiques
| DirectX | 12 (12_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.4 | 5.1 |
| CUDA | — | 5.0 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | Feb 7th, 2015 |
|---|---|---|
| Génération | — | GeForce 800M |
| Production | — | End-of-life |
| Bus interface | — | PCIe 3.0 x16 |
| Prédécesseur | — | GeForce 700M |
| Successeur | — | GeForce 900M |
