NVIDIA Quadro K620 vs NVIDIA Quadro P400
Processeur graphique
| Nom du GPU | GM107 | GP107 |
|---|---|---|
| GPU variant | GM107-850-A2 | — |
| Architecture | Maxwell | Pascal |
| Fonderie | TSMC | Samsung |
| Taille du processus | 28 nm | 14 nm |
| Transistors | 1,870 million | 3,300 million |
| Taille des matrices | 148 mm² | 132 mm² |
Carte graphique
| Date de publication | Jul 22nd, 2014 | Feb 7th, 2017 |
|---|---|---|
| Génération | Quadro | Quadro |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Critiques | 26 in our database | — |
Vitesse clock
| Base clock | 1058 MHz | 1228 MHz |
|---|---|---|
| Boost clock | 1124 MHz | 1252 MHz |
| Mémoire clock | 900 MHz 1800 Mbps effective | 1002 MHz 4 Gbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR5 |
| Bus mémoire | 128 bit | 64 bit |
| Bande passante | 28.80 GB/s | 32.06 GB/s |
Render Config
| Shading units | 384 | 256 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 16 | 16 |
| Comptage SMM | 3 | — |
| Cache L1 | 64 KB (per SMM) | 48 KB (per SM) |
| Cache L2 | 2 MB | 512 KB |
| Comptage SM | — | 2 |
Performance théorique
| Taux de pixel | 17.98 GPixel/s | 20.03 GPixel/s |
|---|---|---|
| Taux de texture | 26.98 GTexel/s | 20.03 GTexel/s |
| FP32 (float) performance | 863.2 GFLOPS | 641.0 GFLOPS |
| FP64 (double) performance | 26.98 GFLOPS (1:32) | 20.03 GFLOPS (1:32) |
| FP16 (half) performance | — | 10.02 GFLOPS (1:64) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 160 mm 6.3 inches | 150 mm 5.9 inches |
| Taille | 69 mm 2.7 inches | 69 mm 2.7 inches |
| TDP | 45 W | 30 W |
| Suggestions pour le PSU | 200 W | 200 W |
| Sorties | 1x DVI1x DisplayPort | 3x mini-DisplayPort |
| Connecteurs de puissance | None | None |
| Board number | P2012 | PG212 SKU 500 |
Caractéristiques graphiques
| DirectX | 12 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.2 |
| CUDA | 5.0 | 6.1 |
| Shader model | 5.1 | 6.4 |
