NVIDIA Quadro P400 vs NVIDIA Quadro P620
Processeur graphique
| Nom du GPU | GP107 | GP107 |
|---|---|---|
| Architecture | Pascal | Pascal |
| Fonderie | Samsung | Samsung |
| Taille du processus | 14 nm | 14 nm |
| Transistors | 3,300 million | 3,300 million |
| Taille des matrices | 132 mm² | 132 mm² |
Carte graphique
| Date de publication | Feb 7th, 2017 | Feb 1st, 2018 |
|---|---|---|
| Génération | Quadro | Quadro |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Vitesse clock
| Base clock | 1228 MHz | 1266 MHz |
|---|---|---|
| Boost clock | 1252 MHz | 1354 MHz |
| Mémoire clock | 1002 MHz 4 Gbps effective | 1252 MHz 5 Gbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 64 bit | 128 bit |
| Bande passante | 32.06 GB/s | 80.13 GB/s |
Render Config
| Shading units | 256 | 512 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 16 | 16 |
| Comptage SM | 2 | 4 |
| Cache L1 | 48 KB (per SM) | 48 KB (per SM) |
| Cache L2 | 512 KB | 1024 KB |
Performance théorique
| Taux de pixel | 20.03 GPixel/s | 21.66 GPixel/s |
|---|---|---|
| Taux de texture | 20.03 GTexel/s | 43.33 GTexel/s |
| FP16 (half) performance | 10.02 GFLOPS (1:64) | 21.66 GFLOPS (1:64) |
| FP32 (float) performance | 641.0 GFLOPS | 1,386 GFLOPS |
| FP64 (double) performance | 20.03 GFLOPS (1:32) | 43.33 GFLOPS (1:32) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 150 mm 5.9 inches | 145 mm 5.7 inches |
| Taille | 69 mm 2.7 inches | 69 mm 2.7 inches |
| TDP | 30 W | 40 W |
| Suggestions pour le PSU | 200 W | 200 W |
| Sorties | 3x mini-DisplayPort | 4x mini-DisplayPort |
| Connecteurs de puissance | None | None |
| Board number | PG212 SKU 500 | — |
Caractéristiques graphiques
| DirectX | 12 (12_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 6.1 | 6.1 |
| Shader model | 6.4 | 6.4 |
