NVIDIA Quadro K420 vs NVIDIA Quadro K620
Grafikprozessor
| GPU Name | GK107 | GM107 |
|---|---|---|
| GPU Variante | GK107-301-A2 | GM107-850-A2 |
| Architektur | Kepler | Maxwell |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 28 nm |
| Transistoren | 1,270 million | 1,870 million |
| Chipgröße | 118 mm² | 148 mm² |
Grafikkarte
| Veröffentlichungsdatum | Jul 22nd, 2014 | Jul 22nd, 2014 |
|---|---|---|
| Generation | Quadro | Quadro |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 26 in our database | 26 in our database |
Takt-Geschwindigkeiten
| GPU-Taktung | 876 MHz | — |
|---|---|---|
| Speicher-Taktung | 891 MHz 1782 Mbps effective | 900 MHz 1800 Mbps effective |
| Basis-Taktfrequenz | — | 1058 MHz |
| Boost-Takt | — | 1124 MHz |
Speicher
| Speichergröße | 1024 MB | 2 GB |
|---|---|---|
| Speichertyp | DDR3 | DDR3 |
| Speicherbus | 128 bit | 128 bit |
| Bandbreite | 28.51 GB/s | 28.80 GB/s |
Render-Konfiguration
| Shading-Einheiten | 192 | 384 |
|---|---|---|
| TMUs | 16 | 24 |
| ROPs | 16 | 16 |
| Anzahl SMX | 1 | — |
| Cache L1 | 16 KB (per SMX) | 64 KB (per SMM) |
| Cache L2 | 256 KB | 2 MB |
| Anzahl SMM | — | 3 |
Theoretische Leistung
| Pixelrate | 3.504 GPixel/s | 17.98 GPixel/s |
|---|---|---|
| Texturrate | 14.02 GTexel/s | 26.98 GTexel/s |
| FP32 (float) Leistung | 336.4 GFLOPS | 863.2 GFLOPS |
| FP64 (double) Leistung | 14.02 GFLOPS (1:24) | 26.98 GFLOPS (1:32) |
Boarddesign
| Steckplatzbreite | Single-slot | Single-slot |
|---|---|---|
| Länge | 160 mm 6.3 inches | 160 mm 6.3 inches |
| Breite | 69 mm 2.7 inches | 69 mm 2.7 inches |
| TDP | 41 W | 45 W |
| Vorgeschlagenes Netzteil | 200 W | 200 W |
| Ausgabe | 1x DVI1x DisplayPort | 1x DVI1x DisplayPort |
| Stromverbindung | None | None |
| Board-Nummer | P2012 | P2012 |
Grafik-Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.1 |
| CUDA | 3.0 | 5.0 |
| Shader-Modell | 5.1 | 5.1 |
