NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce RTX 3090
Processeur graphique
| Nom du GPU | GA102 | GA102 |
|---|---|---|
| GPU variant | GA102-225-A1 | GA102-300-A1 |
| Architecture | Ampere | Ampere |
| Fonderie | Samsung | Samsung |
| Taille du processus | 8 nm | 8 nm |
| Transistors | 28,300 million | 28,300 million |
| Taille des matrices | 628 mm² | 628 mm² |
Carte graphique
| Date de publication | Jan 2022 | Sep 1st, 2020 |
|---|---|---|
| gpu.details.availability | 2022 | Sep 24th, 2020 |
| Génération | GeForce 30 | GeForce 30 |
| Prédécesseur | GeForce 20 | GeForce 20 |
| Production | Active | Active |
| Prix de lancement | 1,199 USD | 1,499 USD |
| Bus interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Critiques | 50 in our database | 56 in our database |
| Prix courant | — | Amazon / Newegg |
Vitesse clock
| Base clock | 1335 MHz | 1395 MHz |
|---|---|---|
| Boost clock | 1665 MHz | 1695 MHz |
| Mémoire clock | 1188 MHz 19 Gbps effective | 1219 MHz 19.5 Gbps effective |
Mémoire
| Taille de la mémoire | 20 GB | 24 GB |
|---|---|---|
| Type de mémoire | GDDR6X | GDDR6X |
| Bus mémoire | 320 bit | 384 bit |
| Bande passante | 760.3 GB/s | 936.2 GB/s |
Render Config
| Shading units | 10240 | 10496 |
|---|---|---|
| TMUs | 320 | 328 |
| ROPs | 112 | 112 |
| Comptage SM | 80 | 82 |
| Tensor cores | 320 | 328 |
| RT cores | 80 | 82 |
| Cache L1 | 128 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 6 MB | 6 MB |
Performance théorique
| Taux de pixel | 186.5 GPixel/s | 189.8 GPixel/s |
|---|---|---|
| Taux de texture | 532.8 GTexel/s | 556.0 GTexel/s |
| FP16 (half) performance | 34.10 TFLOPS (1:1) | 35.58 TFLOPS (1:1) |
| FP32 (float) performance | 34.10 TFLOPS | 35.58 TFLOPS |
| FP64 (double) performance | 532.8 GFLOPS (1:64) | 556.0 GFLOPS (1:64) |
Board Design
| Taille Slot | Dual-slot | Triple-slot |
|---|---|---|
| Longueur | 285 mm 11.2 inches | 336 mm 13.2 inches |
| Taille | 112 mm 4.4 inches | 140 mm 5.5 inches |
| Taille | 40 mm 1.6 inches | 61 mm 2.4 inches |
| TDP | 350 W | 350 W |
| Suggestions pour le PSU | 750 W | 750 W |
| Sorties | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | 1x 12-pin | 1x 12-pin |
| Board number | — | PG132 SKU 10 |
Caractéristiques graphiques
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 8.6 | 8.6 |
| Shader model | 6.6 | 6.6 |
