NVIDIA GeForce RTX 3070 vs NVIDIA GeForce RTX 3080
Processeur graphique
| Nom du GPU | GA104 | GA102 |
|---|---|---|
| GPU variant | GA104-300-A1 | GA102-200-KD-A1 |
| Architecture | Ampere | Ampere |
| Fonderie | Samsung | Samsung |
| Taille du processus | 8 nm | 8 nm |
| Transistors | 17,400 million | 28,300 million |
| Taille des matrices | 392 mm² | 628 mm² |
Carte graphique
| Date de publication | Sep 1st, 2020 | Sep 1st, 2020 |
|---|---|---|
| gpu.details.availability | Oct 29th, 2020 | Sep 17th, 2020 |
| Génération | GeForce 30 | GeForce 30 |
| Prédécesseur | GeForce 20 | GeForce 20 |
| Production | Active | Active |
| Prix de lancement | 499 USD | 699 USD |
| Bus interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Critiques | 78 in our database | 99 in our database |
| Prix courant | — | Amazon / Newegg |
Vitesse clock
| Base clock | 1500 MHz | 1440 MHz |
|---|---|---|
| Boost clock | 1725 MHz | 1710 MHz |
| Mémoire clock | 1750 MHz 14 Gbps effective | 1188 MHz 19 Gbps effective |
Mémoire
| Taille de la mémoire | 8 GB | 10 GB |
|---|---|---|
| Type de mémoire | GDDR6 | GDDR6X |
| Bus mémoire | 256 bit | 320 bit |
| Bande passante | 448.0 GB/s | 760.3 GB/s |
Render Config
| Shading units | 5888 | 8704 |
|---|---|---|
| TMUs | 184 | 272 |
| ROPs | 96 | 96 |
| Comptage SM | 46 | 68 |
| Tensor cores | 184 | 272 |
| RT cores | 46 | 68 |
| Cache L1 | 128 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 4 MB | 5 MB |
Performance théorique
| Taux de pixel | 165.6 GPixel/s | 164.2 GPixel/s |
|---|---|---|
| Taux de texture | 317.4 GTexel/s | 465.1 GTexel/s |
| FP16 (half) performance | 20.31 TFLOPS (1:1) | 29.77 TFLOPS (1:1) |
| FP32 (float) performance | 20.31 TFLOPS | 29.77 TFLOPS |
| FP64 (double) performance | 317.4 GFLOPS (1:64) | 465.1 GFLOPS (1:64) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 242 mm 9.5 inches | 285 mm 11.2 inches |
| Taille | 112 mm 4.4 inches | 112 mm 4.4 inches |
| TDP | 220 W | 320 W |
| Suggestions pour le PSU | 550 W | 700 W |
| Sorties | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | 1x 12-pin | 1x 12-pin |
| Board number | PG142 SKU 10 | PG132 SKU 30 |
| Taille | — | 40 mm 1.6 inches |
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 |
