NVIDIA GeForce RTX 3080 12 GB vs NVIDIA GeForce RTX 3080 Ti
Processeur graphique
| Nom du GPU | GA102 | GA102 |
|---|---|---|
| GPU variant | GA102-220-A1 | GA102-300-A1 |
| Architecture | Ampere | Ampere |
| Fonderie | Samsung | TSMC |
| Taille du processus | 8 nm | 7 nm |
| Transistors | 28,300 million | 40,000 million |
| Taille des matrices | 628 mm² | 627 mm² |
Carte graphique
| Date de publication | Jan 11th, 2022 | 2020 |
|---|---|---|
| gpu.details.availability | Jan, 2022 | — |
| Génération | GeForce 30 | GeForce 30 |
| Prédécesseur | GeForce 20 | — |
| Production | Active | Unreleased |
| Prix de lancement | 799 USD | 1,399 USD |
| Bus interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
Vitesse clock
| Base clock | 1260 MHz | 1410 MHz |
|---|---|---|
| Boost clock | 1710 MHz | 1740 MHz |
| Mémoire clock | 1188 MHz 19 Gbps effective | 2375 MHz 19000 MHz effective |
Mémoire
| Taille de la mémoire | 12 GB | 12 GB |
|---|---|---|
| Type de mémoire | GDDR6X | GDDR6X |
| Bus mémoire | 384 bit | 384 bit |
| Bande passante | 912.4 GB/s | 912.0 GB/s |
Render Config
| Shading units | 8960 | 5120 |
|---|---|---|
| TMUs | 280 | 320 |
| ROPs | 112 | 96 |
| Comptage SM | 70 | 80 |
| Tensor cores | 280 | 640 |
| RT cores | 70 | 160 |
| Cache L1 | 128 KB (per SM) | 192 KB (per SM) |
| Cache L2 | 5 MB | 6 MB |
Performance théorique
| Taux de pixel | 191.5 GPixel/s | 167.0 GPixel/s |
|---|---|---|
| Taux de texture | 478.8 GTexel/s | 556.8 GTexel/s |
| FP16 (half) performance | 30.64 TFLOPS (1:1) | 35.64 TFLOPS (2:1) |
| FP32 (float) performance | 30.64 TFLOPS | 17.82 TFLOPS |
| FP64 (double) performance | 478.8 GFLOPS (1:64) | 556.8 GFLOPS (1:32) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 285 mm 11.2 inches | 267 mm 10.5 inches |
| Taille | 112 mm 4.4 inches | — |
| Taille | 40 mm 1.6 inches | — |
| TDP | 350 W | 320 W |
| Suggestions pour le PSU | 750 W | 700 W |
| Sorties | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort1x USB Type-C |
| Connecteurs de puissance | 1x 12-pin | 1x 12-pin |
| Board number | — | PG132 SKU 20 |
Caractéristiques graphiques
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | 1.2 | 1.2.140 |
| CUDA | 8.6 | 8.5 |
| Shader model | 6.6 | 6.5 |
