Intel Iris Xe MAX Graphics vs NVIDIA GeForce 840M
Processeur graphique
| Nom du GPU | DG1 | GM108 |
|---|---|---|
| Architecture | Generation 12.1 | Maxwell |
| Fonderie | Intel | TSMC |
| Taille du processus | 10 nm | 28 nm |
| Transistors | unknown | unknown |
| Taille des matrices | 95 mm² | unknown |
| GPU variant | — | N15S-GT |
Graphiques mobiles
| Date de publication | Oct 31st, 2020 | Mar 12th, 2014 |
|---|---|---|
| Génération | Iris Xe Graphics-M (Tiger Lake) | GeForce 800M |
| Production | Active | End-of-life |
| Bus interface | PCIe 4.0 x4 | PCIe 3.0 x8 |
| Critiques | 1 in our database | — |
| Prédécesseur | — | GeForce 700M |
| Successeur | — | GeForce 900M |
Vitesse clock
| Base clock | 300 MHz | 1029 MHz |
|---|---|---|
| Boost clock | 1650 MHz | 1124 MHz |
| Mémoire clock | 2133 MHz 4.3 Gbps effective | 1001 MHz 2 Gbps effective |
Mémoire
| Taille de la mémoire | 4 GB | 2 GB |
|---|---|---|
| Type de mémoire | LPDDR4X | DDR3 |
| Bus mémoire | 128 bit | 64 bit |
| Bande passante | 68.26 GB/s | 16.02 GB/s |
Render Config
| Shading units | 768 | 384 |
|---|---|---|
| TMUs | 48 | 16 |
| ROPs | 24 | 8 |
| Unités d'exécution | 96 | — |
| Cache L2 | 1024 KB | 1024 KB |
| gpu.details.l3-cache | 16 MB | — |
| Comptage SMM | — | 3 |
| Cache L1 | — | 64 KB (per SMM) |
Performance théorique
| Taux de pixel | 39.60 GPixel/s | 8.992 GPixel/s |
|---|---|---|
| Taux de texture | 79.20 GTexel/s | 17.98 GTexel/s |
| FP16 (half) performance | 5.069 TFLOPS (2:1) | — |
| FP32 (float) performance | 2.534 TFLOPS | 863.2 GFLOPS |
| FP64 (double) performance | 633.6 GFLOPS (1:4) | 26.98 GFLOPS (1:32) |
Board Design
| Taille Slot | IGP | IGP |
|---|---|---|
| TDP | 25 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 |
