NVIDIA GeForce GT 340 OEM vs NVIDIA Quadro K420
Processeur graphique
| Nom du GPU | GT215 | GK107 |
|---|---|---|
| GPU variant | GT215-301-A3 | GK107-301-A2 |
| Architecture | Tesla 2.0 | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 28 nm |
| Transistors | 727 million | 1,270 million |
| Taille des matrices | 144 mm² | 118 mm² |
Carte graphique
| Date de publication | Feb 2nd, 2010 | Jul 22nd, 2014 |
|---|---|---|
| Génération | GeForce 300 | Quadro |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Prédécesseur | GeForce 200 | — |
| Successeur | GeForce 400 | — |
| Critiques | — | 26 in our database |
Vitesse clock
| GPU clock | 550 MHz | 876 MHz |
|---|---|---|
| Shader clock | 1340 MHz | — |
| Mémoire clock | 850 MHz 1700 Mbps effective | 891 MHz 1782 Mbps effective |
Mémoire
| Taille de la mémoire | 1024 MB | 1024 MB |
|---|---|---|
| Type de mémoire | GDDR3 | DDR3 |
| Bus mémoire | 128 bit | 128 bit |
| Bande passante | 27.20 GB/s | 28.51 GB/s |
Render Config
| Shading units | 96 | 192 |
|---|---|---|
| TMUs | 32 | 16 |
| ROPs | 8 | 16 |
| Comptage SM | 12 | — |
| Cache L2 | 64 KB | 256 KB |
| Comptage SMX | — | 1 |
| Cache L1 | — | 16 KB (per SMX) |
Performance théorique
| Taux de pixel | 4.400 GPixel/s | 3.504 GPixel/s |
|---|---|---|
| Taux de texture | 17.60 GTexel/s | 14.02 GTexel/s |
| FP32 (float) performance | 257.3 GFLOPS | 336.4 GFLOPS |
| FP64 (double) performance | — | 14.02 GFLOPS (1:24) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | 160 mm 6.3 inches |
| TDP | 69 W | 41 W |
| Suggestions pour le PSU | 250 W | 200 W |
| Sorties | 1x DVI1x HDMI1x VGA | 1x DVI1x DisplayPort |
| Connecteurs de puissance | None | None |
| Board number | P672 | P2012 |
| Taille | — | 69 mm 2.7 inches |
Caractéristiques graphiques
| DirectX | 11.1 (10_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| CUDA | 1.2 | 3.0 |
| Shader model | 4.1 | 5.1 |
