NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 750 Ti OEM
Processeur graphique
| Nom du GPU | GK106 | GK106 |
|---|---|---|
| GPU variant | GK106-400-A1 | — |
| Architecture | Kepler | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 2,540 million | 2,540 million |
| Taille des matrices | 221 mm² | 221 mm² |
Carte graphique
| Date de publication | Sep 6th, 2012 | Unknown |
|---|---|---|
| Génération | GeForce 600 | GeForce 700 |
| Production | End-of-life | End-of-life |
| Prix de lancement | 229 USD | — |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Critiques | 77 in our database | 69 in our database |
| Prédécesseur | GeForce 500 | GeForce 600 |
| Successeur | GeForce 700 | GeForce 900 |
Vitesse clock
| Base clock | 980 MHz | 1033 MHz |
|---|---|---|
| Boost clock | 1032 MHz | 1098 MHz |
| Mémoire clock | 1502 MHz 6 Gbps effective | 1502 MHz 6 Gbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 192 bit | 256 bit |
| Bande passante | 144.2 GB/s | 192.3 GB/s |
Render Config
| Shading units | 960 | 960 |
|---|---|---|
| TMUs | 80 | 80 |
| ROPs | 24 | 32 |
| Comptage SMX | 5 | 5 |
| Cache L1 | 16 KB (per SMX) | 16 KB (per SMX) |
| Cache L2 | 384 KB | 512 KB |
Performance théorique
| Taux de pixel | 20.64 GPixel/s | 21.96 GPixel/s |
|---|---|---|
| Taux de texture | 82.56 GTexel/s | 87.84 GTexel/s |
| FP32 (float) performance | 1.981 TFLOPS | 2.108 TFLOPS |
| FP64 (double) performance | 82.56 GFLOPS (1:24) | 87.84 GFLOPS (1:24) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 241 mm 9.5 inches | — |
| TDP | 140 W | 150 W |
| Suggestions pour le PSU | 300 W | 450 W |
| Sorties | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Connecteurs de puissance | 1x 6-pin | — |
| Board number | P2030 | — |
Caractéristiques graphiques
| 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 | 3.0 |
| Shader model | 5.1 | 5.1 |
