NVIDIA GeForce GT 620 vs NVIDIA GeForce GT 705 OEM
Processeur graphique
| Nom du GPU | GF108 | GF119 |
|---|---|---|
| GPU variant | GF108-100-KB-A1 | GF119-300-A1 |
| Architecture | Fermi | Fermi 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 40 nm |
| Transistors | 585 million | 292 million |
| Taille des matrices | 116 mm² | 79 mm² |
Carte graphique
| Date de publication | May 15th, 2012 | Mar 27th, 2014 |
|---|---|---|
| Génération | GeForce 600 | GeForce 700 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Prédécesseur | GeForce 500 | GeForce 600 |
| Successeur | GeForce 700 | GeForce 900 |
Vitesse clock
| GPU clock | 700 MHz | 874 MHz |
|---|---|---|
| Shader clock | 1400 MHz | 1748 MHz |
| Mémoire clock | 900 MHz 1800 Mbps effective | 825 MHz 1650 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 1024 MB |
|---|---|---|
| Type de mémoire | DDR3 | DDR3 |
| Bus mémoire | 64 bit | 64 bit |
| Bande passante | 14.40 GB/s | 13.20 GB/s |
Render Config
| Shading units | 96 | 48 |
|---|---|---|
| TMUs | 16 | 8 |
| ROPs | 4 | 4 |
| Comptage SM | 2 | 1 |
| Cache L1 | 64 KB (per SM) | 64 KB (per SM) |
| Cache L2 | 128 KB | 128 KB |
Performance théorique
| Taux de pixel | 2.800 GPixel/s | 1.748 GPixel/s |
|---|---|---|
| Taux de texture | 11.20 GTexel/s | 6.992 GTexel/s |
| FP32 (float) performance | 268.8 GFLOPS | 167.8 GFLOPS |
| FP64 (double) performance | 22.40 GFLOPS (1:12) | 13.98 GFLOPS (1:12) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 145 mm 5.7 inches | 145 mm 5.7 inches |
| TDP | 49 W | 29 W |
| Suggestions pour le PSU | 200 W | 200 W |
| Sorties | 1x DVI1x HDMI1x VGA | 1x DVI1x HDMI1x VGA |
| Connecteurs de puissance | None | — |
| Board number | P1071 | — |
Caractéristiques graphiques
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 2.1 | 2.1 |
| Shader model | 5.1 | 5.1 |
