NVIDIA GeForce GT 740 vs NVIDIA GeForce RTX 2080
Processeur graphique
| Nom du GPU | GK107 | TU104 |
|---|---|---|
| GPU variant | GK107-425-A2 | TU104-400A-A1 |
| Architecture | Kepler | Turing |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 12 nm |
| Transistors | 1,270 million | 13,600 million |
| Taille des matrices | 118 mm² | 545 mm² |
Carte graphique
| Date de publication | May 29th, 2014 | Sep 20th, 2018 |
|---|---|---|
| Génération | GeForce 700 | GeForce 20 |
| Production | End-of-life | Active |
| Prix de lancement | 89 USD | 699 USD |
| Bus interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Prédécesseur | GeForce 600 | GeForce 10 |
| Successeur | GeForce 900 | GeForce 30 |
| Prix courant | — | Amazon / Newegg |
| Critiques | — | 66 in our database |
Vitesse clock
| GPU clock | 993 MHz | — |
|---|---|---|
| Mémoire clock | 1253 MHz 5 Gbps effective | 1750 MHz 14 Gbps effective |
| Base clock | — | 1515 MHz |
| Boost clock | — | 1710 MHz |
Mémoire
| Taille de la mémoire | 1024 MB | 8 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR6 |
| Bus mémoire | 128 bit | 256 bit |
| Bande passante | 80.19 GB/s | 448.0 GB/s |
Render Config
| Shading units | 384 | 2944 |
|---|---|---|
| TMUs | 32 | 184 |
| ROPs | 16 | 64 |
| Comptage SMX | 2 | — |
| Cache L1 | 16 KB (per SMX) | 64 KB (per SM) |
| Cache L2 | 256 KB | 4 MB |
| Comptage SM | — | 46 |
| Tensor cores | — | 368 |
| RT cores | — | 46 |
Performance théorique
| Taux de pixel | 7.944 GPixel/s | 109.4 GPixel/s |
|---|---|---|
| Taux de texture | 31.78 GTexel/s | 314.6 GTexel/s |
| FP32 (float) performance | 762.6 GFLOPS | 10.07 TFLOPS |
| FP64 (double) performance | 31.78 GFLOPS (1:24) | 314.6 GFLOPS (1:32) |
| FP16 (half) performance | — | 20.14 TFLOPS (2:1) |
Board Design
| Taille Slot | Single-slot | Dual-slot |
|---|---|---|
| Longueur | 145 mm 5.7 inches | 267 mm 10.5 inches |
| TDP | 64 W | 215 W |
| Suggestions pour le PSU | 250 W | 550 W |
| Sorties | 2x DVI1x mini-HDMI | 1x HDMI3x DisplayPort1x USB Type-C |
| Connecteurs de puissance | 1x 6-pin | 1x 6-pin + 1x 8-pin |
| Board number | P2010 SKU 8 P2011 SKU 6 | PG180 SKU 2 |
| Taille | — | 116 mm 4.6 inches |
| Taille | — | 35 mm 1.4 inches |
Caractéristiques graphiques
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.2 |
| CUDA | 3.0 | 7.5 |
| Shader model | 5.1 | 6.6 |
