NVIDIA GeForce GT 340 OEM vs NVIDIA GeForce GT 440
Processeur graphique
| Nom du GPU | GT215 | GF108 |
|---|---|---|
| GPU variant | GT215-301-A3 | GF108-400-A1 |
| Architecture | Tesla 2.0 | Fermi |
| Fonderie | TSMC | TSMC |
| Taille du processus | 40 nm | 40 nm |
| Transistors | 727 million | 585 million |
| Taille des matrices | 144 mm² | 116 mm² |
Carte graphique
| Date de publication | Feb 2nd, 2010 | Feb 1st, 2011 |
|---|---|---|
| Génération | GeForce 300 | GeForce 400 |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Prédécesseur | GeForce 200 | GeForce 200 |
| Successeur | GeForce 400 | GeForce 500 |
| Prix de lancement | — | 79 USD |
| Critiques | — | 5 in our database |
Vitesse clock
| GPU clock | 550 MHz | 810 MHz |
|---|---|---|
| Shader clock | 1340 MHz | 1620 MHz |
| Mémoire clock | 850 MHz 1700 Mbps effective | 900 MHz 1800 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 | 28.80 GB/s |
Render Config
| Shading units | 96 | 96 |
|---|---|---|
| TMUs | 32 | 16 |
| ROPs | 8 | 4 |
| Comptage SM | 12 | 2 |
| Cache L2 | 64 KB | 256 KB |
| Cache L1 | — | 64 KB (per SM) |
Performance théorique
| Taux de pixel | 4.400 GPixel/s | 3.240 GPixel/s |
|---|---|---|
| Taux de texture | 17.60 GTexel/s | 12.96 GTexel/s |
| FP32 (float) performance | 257.3 GFLOPS | 311.0 GFLOPS |
| FP64 (double) performance | — | 25.92 GFLOPS (1:12) |
Board Design
| Taille Slot | Single-slot | Single-slot |
|---|---|---|
| Longueur | 168 mm 6.6 inches | 145 mm 5.7 inches |
| TDP | 69 W | 65 W |
| Suggestions pour le PSU | 250 W | 250 W |
| Sorties | 1x DVI1x HDMI1x VGA | 1x DVI1x HDMI1x VGA |
| Connecteurs de puissance | None | None |
| Board number | P672 | P1071 |
Caractéristiques graphiques
| DirectX | 11.1 (10_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.2 | 2.1 |
| Shader model | 4.1 | 5.1 |
