Intel Iris Pro Graphics P6300 vs NVIDIA GeForce GT 645M
Processeur graphique
| Nom du GPU | Broadwell GT3e | GK107 |
|---|---|---|
| Architecture | Generation 8.0 | Kepler |
| Fonderie | Intel | TSMC |
| Taille du processus | 14 nm | 28 nm |
| Transistors | unknown | 1,270 million |
| Taille des matrices | unknown | 118 mm² |
| GPU variant | — | N13P-GS |
Carte graphique intégré
| Date de publication | Sep 5th, 2014 | — |
|---|---|---|
| Génération | HD Graphics-W (Broadwell) | — |
| Production | End-of-life | — |
| Bus interface | Ring Bus | — |
| Critiques | 1 in our database | — |
Vitesse clock
| Base clock | 300 MHz | — |
|---|---|---|
| Boost clock | 800 MHz | — |
| Mémoire clock | System Shared | 900 MHz 1800 Mbps effective |
| GPU clock | — | 709 MHz |
Mémoire
| Taille de la mémoire | System Shared | 2 GB |
|---|---|---|
| Type de mémoire | System Shared | DDR3 |
| Bus mémoire | System Shared | 128 bit |
| Bande passante | System Dependent | 28.80 GB/s |
Render Config
| Shading units | 384 | 384 |
|---|---|---|
| TMUs | 48 | 32 |
| ROPs | 6 | 16 |
| Unités d'exécution | 48 | — |
| Comptage SMX | — | 2 |
| Cache L1 | — | 16 KB (per SMX) |
| Cache L2 | — | 256 KB |
Performance théorique
| Taux de pixel | 4.800 GPixel/s | 5.672 GPixel/s |
|---|---|---|
| Taux de texture | 38.40 GTexel/s | 22.69 GTexel/s |
| FP32 (float) performance | 614.4 GFLOPS | 544.5 GFLOPS |
| FP64 (double) performance | 153.6 GFLOPS (1:4) | 22.69 GFLOPS (1:24) |
Board Design
| Taille Slot | IGP | — |
|---|---|---|
| TDP | 15 W | 32 W |
| Sorties | No outputs | No outputs |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.0 | 1.1 |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 3.0 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | Oct 1st, 2012 |
|---|---|---|
| Génération | — | GeForce 600M |
| Production | — | End-of-life |
| Bus interface | — | PCIe 3.0 x16 |
| Prédécesseur | — | GeForce 500M |
| Successeur | — | GeForce 700M |
