AMD Radeon RX 640 Mobile vs NVIDIA Quadro K620
Processeur graphique
| Nom du GPU | Polaris 23 | GM107 |
|---|---|---|
| GPU variant | Polaris 23 XT | GM107-850-A2 |
| Architecture | GCN 4.0 | Maxwell |
| Fonderie | GlobalFoundries | TSMC |
| Taille du processus | 14 nm | 28 nm |
| Transistors | 2,200 million | 1,870 million |
| Taille des matrices | 103 mm² | 148 mm² |
Graphiques mobiles
| Date de publication | May 13th, 2019 | — |
|---|---|---|
| Génération | Mobility Radeon (M600) | — |
| Production | Active | — |
| Bus interface | PCIe 3.0 x8 | — |
| Prédécesseur | Crystal System | — |
Vitesse clock
| Base clock | 1082 MHz | 1058 MHz |
|---|---|---|
| Boost clock | 1218 MHz | 1124 MHz |
| Mémoire clock | 1500 MHz 6 Gbps effective | 900 MHz 1800 Mbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR5 | DDR3 |
| Bus mémoire | 64 bit | 128 bit |
| Bande passante | 48.00 GB/s | 28.80 GB/s |
Render Config
| Shading units | 640 | 384 |
|---|---|---|
| TMUs | 40 | 24 |
| ROPs | 16 | 16 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
| Cache L2 | 512 KB | 2 MB |
| Comptage SMM | — | 3 |
Performance théorique
| Taux de pixel | 19.49 GPixel/s | 17.98 GPixel/s |
|---|---|---|
| Taux de texture | 48.72 GTexel/s | 26.98 GTexel/s |
| FP16 (half) performance | 1.559 TFLOPS (1:1) | — |
| FP32 (float) performance | 1.559 TFLOPS | 863.2 GFLOPS |
| FP64 (double) performance | 97.44 GFLOPS (1:16) | 26.98 GFLOPS (1:32) |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| TDP | 50 W | 45 W |
| Sorties | No outputs | 1x DVI1x DisplayPort |
| Connecteurs de puissance | None | None |
| Longueur | — | 160 mm 6.3 inches |
| Taille | — | 69 mm 2.7 inches |
| Suggestions pour le PSU | — | 200 W |
| Board number | — | P2012 |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.4 | 5.1 |
| CUDA | — | 5.0 |
AUTRES CARACTÉRISTIQUES
Carte graphique
| Date de publication | — | Jul 22nd, 2014 |
|---|---|---|
| Génération | — | Quadro |
| Production | — | End-of-life |
| Bus interface | — | PCIe 2.0 x16 |
| Critiques | — | 26 in our database |
