NVIDIA GeForce RTX 3080 Ti vs NVIDIA RTX A4000
Processeur graphique
| Nom du GPU | GA102 | GA104 |
|---|---|---|
| GPU variant | GA102-300-A1 | GA104-875-A1 |
| Architecture | Ampere | Ampere |
| Fonderie | TSMC | Samsung |
| Taille du processus | 7 nm | 8 nm |
| Transistors | 40,000 million | 17,400 million |
| Taille des matrices | 627 mm² | 392 mm² |
Carte graphique
| Date de publication | 2020 | Apr 12th, 2021 |
|---|---|---|
| Génération | GeForce 30 | Quadro |
| Production | Unreleased | Active |
| Prix de lancement | 1,399 USD | — |
| Bus interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
Vitesse clock
| Base clock | 1410 MHz | 735 MHz |
|---|---|---|
| Boost clock | 1740 MHz | 1560 MHz |
| Mémoire clock | 2375 MHz 19000 MHz effective | 1750 MHz 14 Gbps effective |
Mémoire
| Taille de la mémoire | 12 GB | 16 GB |
|---|---|---|
| Type de mémoire | GDDR6X | GDDR6 |
| Bus mémoire | 384 bit | 256 bit |
| Bande passante | 912.0 GB/s | 448.0 GB/s |
Render Config
| Shading units | 5120 | 6144 |
|---|---|---|
| TMUs | 320 | 192 |
| ROPs | 96 | 96 |
| Comptage SM | 80 | 48 |
| Tensor cores | 640 | 192 |
| RT cores | 160 | 48 |
| Cache L1 | 192 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 6 MB | 4 MB |
Performance théorique
| Taux de pixel | 167.0 GPixel/s | 149.8 GPixel/s |
|---|---|---|
| Taux de texture | 556.8 GTexel/s | 299.5 GTexel/s |
| FP16 (half) performance | 35.64 TFLOPS (2:1) | 19.17 TFLOPS (1:1) |
| FP32 (float) performance | 17.82 TFLOPS | 19.17 TFLOPS |
| FP64 (double) performance | 556.8 GFLOPS (1:32) | 599.0 GFLOPS (1:32) |
Board Design
| Taille Slot | Dual-slot | Single-slot |
|---|---|---|
| Longueur | 267 mm 10.5 inches | 241 mm 9.5 inches |
| TDP | 320 W | 140 W |
| Suggestions pour le PSU | 700 W | 300 W |
| Sorties | 1x HDMI3x DisplayPort1x USB Type-C | 4x DisplayPort |
| Connecteurs de puissance | 1x 12-pin | 1x 6-pin |
| Board number | PG132 SKU 20 | — |
| Taille | — | 112 mm 4.4 inches |
Caractéristiques graphiques
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2.140 | 1.2 |
| CUDA | 8.5 | 8.6 |
| Shader model | 6.5 | 6.6 |
