NVIDIA GeForce GTX 1660 Ti vs NVIDIA GeForce GTX 770
Processeur graphique
| Nom du GPU | TU116 | GK104 |
|---|---|---|
| GPU variant | TU116-400-A1 | GK104-425-A2 |
| Architecture | Turing | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 12 nm | 28 nm |
| Transistors | 6,600 million | 3,540 million |
| Taille des matrices | 284 mm² | 294 mm² |
Carte graphique
| Date de publication | Feb 22nd, 2019 | May 30th, 2013 |
|---|---|---|
| Génération | GeForce 16 | GeForce 700 |
| Prédécesseur | GeForce 10 | GeForce 600 |
| Successeur | GeForce 20 | GeForce 900 |
| Production | Active | End-of-life |
| Prix de lancement | 279 USD | 399 USD |
| Prix courant | Amazon / Newegg | — |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Critiques | 59 in our database | 112 in our database |
Vitesse clock
| Base clock | 1500 MHz | 1046 MHz |
|---|---|---|
| Boost clock | 1770 MHz | 1085 MHz |
| Mémoire clock | 1500 MHz 12 Gbps effective | 1753 MHz 7 Gbps effective |
Mémoire
| Taille de la mémoire | 6 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR6 | GDDR5 |
| Bus mémoire | 192 bit | 256 bit |
| Bande passante | 288.0 GB/s | 224.4 GB/s |
Render Config
| Shading units | 1536 | 1536 |
|---|---|---|
| TMUs | 96 | 128 |
| ROPs | 48 | 32 |
| Comptage SM | 24 | — |
| Cache L1 | 64 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 1536 KB | 512 KB |
| Comptage SMX | — | 8 |
Performance théorique
| Taux de pixel | 84.96 GPixel/s | 34.72 GPixel/s |
|---|---|---|
| Taux de texture | 169.9 GTexel/s | 138.9 GTexel/s |
| FP16 (half) performance | 10.87 TFLOPS (2:1) | — |
| FP32 (float) performance | 5.437 TFLOPS | 3.333 TFLOPS |
| FP64 (double) performance | 169.9 GFLOPS (1:32) | 138.9 GFLOPS (1:24) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 229 mm 9 inches | 267 mm 10.5 inches |
| Taille | 111 mm 4.4 inches | 111 mm 4.4 inches |
| Taille | 35 mm 1.4 inches | 38 mm 1.5 inches |
| TDP | 120 W | 230 W |
| Suggestions pour le PSU | 300 W | 550 W |
| Sorties | 1x DVI1x HDMI1x DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board number | PG160 SKU 21 PG161 SKU 21 | P2005 |
Caractéristiques graphiques
| DirectX | 12 (12_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| CUDA | 7.5 | 3.0 |
| Shader model | 6.6 | 5.1 |
