NVIDIA GeForce RTX 2080 Ti vs NVIDIA GeForce RTX 3080 Ti
Processeur graphique
| Nom du GPU | TU102 | GA102 |
|---|---|---|
| GPU variant | TU102-300A-K1-A1 | GA102-300-A1 |
| Architecture | Turing | Ampere |
| Fonderie | TSMC | TSMC |
| Taille du processus | 12 nm | 7 nm |
| Transistors | 18,600 million | 40,000 million |
| Taille des matrices | 754 mm² | 627 mm² |
Carte graphique
| Date de publication | Sep 20th, 2018 | 2020 |
|---|---|---|
| Génération | GeForce 20 | GeForce 30 |
| Prédécesseur | GeForce 10 | — |
| Production | Active | Unreleased |
| Prix de lancement | 999 USD | 1,399 USD |
| Prix courant | Amazon / Newegg | — |
| Bus interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Critiques | 88 in our database | — |
| Successeur | GeForce 30 | — |
Vitesse clock
| Base clock | 1350 MHz | 1410 MHz |
|---|---|---|
| Boost clock | 1545 MHz | 1740 MHz |
| Mémoire clock | 1750 MHz 14 Gbps effective | 2375 MHz 19000 MHz effective |
Mémoire
| Taille de la mémoire | 11 GB | 12 GB |
|---|---|---|
| Type de mémoire | GDDR6 | GDDR6X |
| Bus mémoire | 352 bit | 384 bit |
| Bande passante | 616.0 GB/s | 912.0 GB/s |
Render Config
| Shading units | 4352 | 5120 |
|---|---|---|
| TMUs | 272 | 320 |
| ROPs | 88 | 96 |
| Comptage SM | 68 | 80 |
| Tensor cores | 544 | 640 |
| RT cores | 68 | 160 |
| Cache L1 | 64 KB (per SM) | 192 KB (per SM) |
| Cache L2 | 5.5 MB | 6 MB |
Performance théorique
| Taux de pixel | 136.0 GPixel/s | 167.0 GPixel/s |
|---|---|---|
| Taux de texture | 420.2 GTexel/s | 556.8 GTexel/s |
| FP16 (half) performance | 26.90 TFLOPS (2:1) | 35.64 TFLOPS (2:1) |
| FP32 (float) performance | 13.45 TFLOPS | 17.82 TFLOPS |
| FP64 (double) performance | 420.2 GFLOPS (1:32) | 556.8 GFLOPS (1:32) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 267 mm 10.5 inches | 267 mm 10.5 inches |
| Taille | 116 mm 4.6 inches | — |
| Taille | 35 mm 1.4 inches | — |
| TDP | 250 W | 320 W |
| Suggestions pour le PSU | 600 W | 700 W |
| Sorties | 1x HDMI3x DisplayPort1x USB Type-C | 1x HDMI3x DisplayPort1x USB Type-C |
| Connecteurs de puissance | 2x 8-pin | 1x 12-pin |
| Board number | PG150 SKU 32 | 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 | 7.5 | 8.5 |
| Shader model | 6.6 | 6.5 |
