NVIDIA GeForce GT 620 vs NVIDIA GeForce RTX 3090
Processeur graphique
| Nom du GPU | GF108 | GA102 |
|---|---|---|
| GPU variant | GF108-100-KB-A1 | GA102-300-A1 |
| Architecture | Fermi | Ampere |
| Fonderie | TSMC | Samsung |
| Taille du processus | 40 nm | 8 nm |
| Transistors | 585 million | 28,300 million |
| Taille des matrices | 116 mm² | 628 mm² |
Carte graphique
| Date de publication | May 15th, 2012 | Sep 1st, 2020 |
|---|---|---|
| Génération | GeForce 600 | GeForce 30 |
| Production | End-of-life | Active |
| Bus interface | PCIe 2.0 x16 | PCIe 4.0 x16 |
| Prédécesseur | GeForce 500 | GeForce 20 |
| Successeur | GeForce 700 | — |
| Prix de lancement | — | 1,499 USD |
| gpu.details.availability | — | Sep 24th, 2020 |
| Prix courant | — | Amazon / Newegg |
| Critiques | — | 56 in our database |
Vitesse clock
| GPU clock | 700 MHz | — |
|---|---|---|
| Shader clock | 1400 MHz | — |
| Mémoire clock | 900 MHz 1800 Mbps effective | 1219 MHz 19.5 Gbps effective |
| Base clock | — | 1395 MHz |
| Boost clock | — | 1695 MHz |
Mémoire
| Taille de la mémoire | 1024 MB | 24 GB |
|---|---|---|
| Type de mémoire | DDR3 | GDDR6X |
| Bus mémoire | 64 bit | 384 bit |
| Bande passante | 14.40 GB/s | 936.2 GB/s |
Render Config
| Shading units | 96 | 10496 |
|---|---|---|
| TMUs | 16 | 328 |
| ROPs | 4 | 112 |
| Comptage SM | 2 | 82 |
| Cache L1 | 64 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 128 KB | 6 MB |
| Tensor cores | — | 328 |
| RT cores | — | 82 |
Performance théorique
| Taux de pixel | 2.800 GPixel/s | 189.8 GPixel/s |
|---|---|---|
| Taux de texture | 11.20 GTexel/s | 556.0 GTexel/s |
| FP32 (float) performance | 268.8 GFLOPS | 35.58 TFLOPS |
| FP64 (double) performance | 22.40 GFLOPS (1:12) | 556.0 GFLOPS (1:64) |
| FP16 (half) performance | — | 35.58 TFLOPS (1:1) |
Board Design
| Taille Slot | Single-slot | Triple-slot |
|---|---|---|
| Longueur | 145 mm 5.7 inches | 336 mm 13.2 inches |
| TDP | 49 W | 350 W |
| Suggestions pour le PSU | 200 W | 750 W |
| Sorties | 1x DVI1x HDMI1x VGA | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | None | 1x 12-pin |
| Board number | P1071 | PG132 SKU 10 |
| Taille | — | 140 mm 5.5 inches |
| Taille | — | 61 mm 2.4 inches |
Caractéristiques graphiques
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.2 |
| CUDA | 2.1 | 8.6 |
| Shader model | 5.1 | 6.6 |
