Intel Iris Plus Graphics G4 vs NVIDIA GeForce GT 645 OEM
Processeur graphique
| Nom du GPU | Ice Lake GT1 | GF114 |
|---|---|---|
| Architecture | Generation 11.0 | Fermi 2.0 |
| Fonderie | Intel | TSMC |
| Taille du processus | 10 nm+ | 40 nm |
| Transistors | unknown | 1,950 million |
| Taille des matrices | unknown | 332 mm² |
Carte graphique intégré
| Date de publication | May 29th, 2019 | — |
|---|---|---|
| Génération | HD Graphics-M (Ice Lake) | — |
| Production | Active | — |
| Bus interface | Ring Bus | — |
| Critiques | 1 in our database | — |
Vitesse clock
| Base clock | 300 MHz | — |
|---|---|---|
| Boost clock | 1050 MHz | — |
| Mémoire clock | System Shared | 957 MHz 3.8 Gbps effective |
| GPU clock | — | 776 MHz |
| Shader clock | — | 1552 MHz |
Mémoire
| Taille de la mémoire | System Shared | 1024 MB |
|---|---|---|
| Type de mémoire | System Shared | GDDR5 |
| Bus mémoire | System Shared | 192 bit |
| Bande passante | System Dependent | 91.87 GB/s |
Render Config
| Shading units | 384 | 288 |
|---|---|---|
| TMUs | 24 | 48 |
| ROPs | 8 | 24 |
| Unités d'exécution | 48 | — |
| Comptage SM | — | 6 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 384 KB |
Performance théorique
| Taux de pixel | 8.400 GPixel/s | 9.312 GPixel/s |
|---|---|---|
| Taux de texture | 25.20 GTexel/s | 37.25 GTexel/s |
| FP16 (half) performance | 1.613 TFLOPS (2:1) | — |
| FP32 (float) performance | 806.4 GFLOPS | 894.0 GFLOPS |
| FP64 (double) performance | 201.6 GFLOPS (1:4) | 74.50 GFLOPS (1:12) |
Board Design
| Taille Slot | IGP | Dual-slot |
|---|---|---|
| TDP | 15 W | 102 W |
| Sorties | No outputs | 2x DVI1x mini-HDMI |
| Longueur | — | 210 mm 8.3 inches |
| Suggestions pour le PSU | — | 300 W |
Caractéristiques graphiques
| DirectX | 12 (12_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | 5.1 |
| CUDA | — | 2.1 |
AUTRES CARACTÉRISTIQUES
Carte graphique
| Date de publication | — | Apr 24th, 2012 |
|---|---|---|
| Génération | — | GeForce 600 |
| Production | — | End-of-life |
| Bus interface | — | PCIe 2.0 x16 |
| Prédécesseur | — | GeForce 500 |
| Successeur | — | GeForce 700 |
