Intel Iris Xe Graphics G4 vs NVIDIA GeForce 840A
Processeur graphique
| Nom du GPU | Tiger Lake GT2 | GM108 |
|---|---|---|
| Architecture | Generation 12.1 | Maxwell |
| Fonderie | Intel | TSMC |
| Taille du processus | 10 nm | 28 nm |
| Transistors | unknown | unknown |
| Taille des matrices | 146 mm² | unknown |
Carte graphique intégré
| Date de publication | Sep 2nd, 2020 | — |
|---|---|---|
| Génération | Iris Xe Graphics-M (Tiger Lake) | — |
| Production | Active | — |
| Bus interface | Ring Bus | — |
| Critiques | 1 in our database | — |
Vitesse clock
| Base clock | 300 MHz | 1029 MHz |
|---|---|---|
| Boost clock | 1100 MHz | 1124 MHz |
| Mémoire clock | System Shared | 1001 MHz 2 Gbps effective |
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 | 384 | 384 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 12 | 8 |
| Unités d'exécution | 48 | — |
| gpu.details.l3-cache | 3.75 MB | — |
| Comptage SMM | — | 3 |
| Cache L1 | — | 64 KB (per SMM) |
| Cache L2 | — | 1024 KB |
Performance théorique
| Taux de pixel | 13.20 GPixel/s | 8.992 GPixel/s |
|---|---|---|
| Taux de texture | 26.40 GTexel/s | 17.98 GTexel/s |
| FP16 (half) performance | 1.690 TFLOPS (2:1) | — |
| FP32 (float) performance | 844.8 GFLOPS | 863.2 GFLOPS |
| FP64 (double) performance | 211.2 GFLOPS (1:4) | 26.98 GFLOPS (1:32) |
Board Design
| Taille Slot | IGP | IGP |
|---|---|---|
| TDP | 15 W | 33 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 | — | Mar 17th, 2014 |
|---|---|---|
| Génération | — | GeForce 800A |
| Production | — | End-of-life |
| Bus interface | — | PCIe 3.0 x8 |
| Prédécesseur | — | GeForce 700A |
| Successeur | — | GeForce 900A |
