NVIDIA GeForce GT 820M vs NVIDIA GRID K540Q
Processeur graphique
| Nom du GPU | GF117 | GK104 |
|---|---|---|
| GPU variant | N15V-GM | — |
| Architecture | Fermi 2.0 | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 585 million | 3,540 million |
| Taille des matrices | 116 mm² | 294 mm² |
Graphiques mobiles
| Date de publication | Nov 27th, 2013 | — |
|---|---|---|
| Génération | GeForce 800M | — |
| Production | End-of-life | — |
| Bus interface | PCIe 2.0 x16 | — |
| Prédécesseur | GeForce 700M | — |
| Successeur | GeForce 900M | — |
Vitesse clock
| GPU clock | 775 MHz | 745 MHz |
|---|---|---|
| Shader clock | 1550 MHz | — |
| Mémoire clock | 900 MHz 1800 Mbps effective | 1250 MHz 5 Gbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 4 GB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR5 |
| Bus mémoire | 64 bit | 256 bit |
| Bande passante | 14.40 GB/s | 160.0 GB/s |
Render Config
| Shading units | 96 | 1536 |
|---|---|---|
| TMUs | 16 | 128 |
| ROPs | 8 | 32 |
| Comptage SM | 2 | — |
| Cache L1 | 64 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 128 KB | 512 KB |
| Comptage SMX | — | 8 |
Performance théorique
| Taux de pixel | 3.100 GPixel/s | 23.84 GPixel/s |
|---|---|---|
| Taux de texture | 12.40 GTexel/s | 95.36 GTexel/s |
| FP32 (float) performance | 297.6 GFLOPS | 2.289 TFLOPS |
| FP64 (double) performance | 24.80 GFLOPS (1:12) | 95.36 GFLOPS (1:24) |
Board Design
| TDP | 15 W | 225 W |
|---|---|---|
| Sorties | No outputs | No outputs |
| Taille Slot | — | Dual-slot |
| Longueur | — | 267 mm 10.5 inches |
| Suggestions pour le PSU | — | 550 W |
Caractéristiques graphiques
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 2.1 | 3.0 |
| Shader model | 5.1 | 5.1 |
AUTRES CARACTÉRISTIQUES
Carte graphique
| Date de publication | — | Jul 2nd, 2014 |
|---|---|---|
| Génération | — | GRID |
| Production | — | End-of-life |
| Prix de lancement | — | 3,599 USD |
| Bus interface | — | PCIe 3.0 x16 |
