NVIDIA Quadro K620 vs NVIDIA T400
Processeur graphique
| Nom du GPU | GM107 | TU117 |
|---|---|---|
| GPU variant | GM107-850-A2 | — |
| Architecture | Maxwell | Turing |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 12 nm |
| Transistors | 1,870 million | 4,700 million |
| Taille des matrices | 148 mm² | 200 mm² |
Carte graphique
| Date de publication | Jul 22nd, 2014 | May 6th, 2021 |
|---|---|---|
| Génération | Quadro | Quadro |
| Production | End-of-life | Active |
| Bus interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Critiques | 26 in our database | — |
Vitesse clock
| Base clock | 1058 MHz | 420 MHz |
|---|---|---|
| Boost clock | 1124 MHz | 1425 MHz |
| Mémoire clock | 900 MHz 1800 Mbps effective | 1250 MHz 10 Gbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR6 |
| Bus mémoire | 128 bit | 64 bit |
| Bande passante | 28.80 GB/s | 80.00 GB/s |
Render Config
| Shading units | 384 | 384 |
|---|---|---|
| TMUs | 24 | 24 |
| ROPs | 16 | 16 |
| Comptage SMM | 3 | — |
| Cache L1 | 64 KB (per SMM) | 64 KB (per SM) |
| Cache L2 | 2 MB | 1024 KB |
| Comptage SM | — | 6 |
Performance théorique
| Taux de pixel | 17.98 GPixel/s | 22.80 GPixel/s |
|---|---|---|
| Taux de texture | 26.98 GTexel/s | 34.20 GTexel/s |
| FP32 (float) performance | 863.2 GFLOPS | 1,094 GFLOPS |
| FP64 (double) performance | 26.98 GFLOPS (1:32) | 34.20 GFLOPS (1:32) |
| FP16 (half) performance | — | 2.189 TFLOPS (2:1) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 160 mm 6.3 inches | — |
| Taille | 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 | — |
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 | 7.5 |
| Shader model | 5.1 | 6.6 |
