NVIDIA GeForce GTX 980 vs NVIDIA GeForce RTX 3080 Ti
Processeur graphique
| Nom du GPU | GM204 | GA102 |
|---|---|---|
| GPU variant | GM204-400-A1 | GA102-300-A1 |
| Architecture | Maxwell 2.0 | Ampere |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 7 nm |
| Transistors | 5,200 million | 40,000 million |
| Taille des matrices | 398 mm² | 627 mm² |
Carte graphique
| Date de publication | Sep 19th, 2014 | 2020 |
|---|---|---|
| Génération | GeForce 900 | GeForce 30 |
| Production | End-of-life | Unreleased |
| Prix de lancement | 549 USD | 1,399 USD |
| Bus interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Critiques | 146 in our database | — |
| Prédécesseur | GeForce 700 | — |
| Successeur | GeForce 10 | — |
Vitesse clock
| Base clock | 1127 MHz | 1410 MHz |
|---|---|---|
| Boost clock | 1216 MHz | 1740 MHz |
| Mémoire clock | 1753 MHz 7 Gbps effective | 2375 MHz 19000 MHz effective |
Mémoire
| Taille de la mémoire | 4 GB | 12 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR6X |
| Bus mémoire | 256 bit | 384 bit |
| Bande passante | 224.4 GB/s | 912.0 GB/s |
Render Config
| Shading units | 2048 | 5120 |
|---|---|---|
| TMUs | 128 | 320 |
| ROPs | 64 | 96 |
| Comptage SMM | 16 | — |
| Cache L1 | 48 KB (per SMM) | 192 KB (per SM) |
| Cache L2 | 2 MB | 6 MB |
| Comptage SM | — | 80 |
| Tensor cores | — | 640 |
| RT cores | — | 160 |
Performance théorique
| Taux de pixel | 77.82 GPixel/s | 167.0 GPixel/s |
|---|---|---|
| Taux de texture | 155.6 GTexel/s | 556.8 GTexel/s |
| FP32 (float) performance | 4.981 TFLOPS | 17.82 TFLOPS |
| FP64 (double) performance | 155.6 GFLOPS (1:32) | 556.8 GFLOPS (1:32) |
| FP16 (half) performance | — | 35.64 TFLOPS (2:1) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 267 mm 10.5 inches | 267 mm 10.5 inches |
| Taille | 111 mm 4.4 inches | — |
| Taille | 40 mm 1.6 inches | — |
| TDP | 165 W | 320 W |
| Suggestions pour le PSU | 450 W | 700 W |
| Sorties | 1x DVI1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort1x USB Type-C |
| Connecteurs de puissance | 2x 6-pin | 1x 12-pin |
| Board number | PG401 | PG132 SKU 20 |
Caractéristiques graphiques
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | 1.1 | 1.2.140 |
| CUDA | 5.2 | 8.5 |
| Shader model | 6.4 | 6.5 |
