NVIDIA GeForce MX450 30.5W 8Gbps vs NVIDIA GeForce RTX 3080
Processeur graphique
| Nom du GPU | TU117 | GA102 |
|---|---|---|
| Architecture | Turing | Ampere |
| Fonderie | TSMC | Samsung |
| Taille du processus | 12 nm | 8 nm |
| Transistors | 4,700 million | 28,300 million |
| Taille des matrices | 200 mm² | 628 mm² |
| GPU variant | — | GA102-200-KD-A1 |
Graphiques mobiles
| Date de publication | Aug 25th, 2020 | — |
|---|---|---|
| Génération | GeForce MX (4xx) | — |
| Production | Active | — |
| Bus interface | PCIe 4.0 x4 | — |
Vitesse clock
| Base clock | 1035 MHz | 1440 MHz |
|---|---|---|
| Boost clock | 1275 MHz | 1710 MHz |
| Mémoire clock | 2000 MHz 8 Gbps effective | 1188 MHz 19 Gbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 10 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR6X |
| Bus mémoire | 64 bit | 320 bit |
| Bande passante | 64.00 GB/s | 760.3 GB/s |
Render Config
| Shading units | 896 | 8704 |
|---|---|---|
| TMUs | 56 | 272 |
| ROPs | 32 | 96 |
| Comptage SM | 14 | 68 |
| Cache L1 | 64 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 512 KB | 5 MB |
| Tensor cores | — | 272 |
| RT cores | — | 68 |
Performance théorique
| Taux de pixel | 40.80 GPixel/s | 164.2 GPixel/s |
|---|---|---|
| Taux de texture | 71.40 GTexel/s | 465.1 GTexel/s |
| FP16 (half) performance | 4.570 TFLOPS (2:1) | 29.77 TFLOPS (1:1) |
| FP32 (float) performance | 2.285 TFLOPS | 29.77 TFLOPS |
| FP64 (double) performance | 71.40 GFLOPS (1:32) | 465.1 GFLOPS (1:64) |
Board Design
| TDP | 31 W | 320 W |
|---|---|---|
| Sorties | No outputs | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | None | 1x 12-pin |
| Taille Slot | — | Dual-slot |
| Longueur | — | 285 mm 11.2 inches |
| Suggestions pour le PSU | — | 700 W |
| Board number | — | PG132 SKU 30 |
| Taille | — | 112 mm 4.4 inches |
| Taille | — | 40 mm 1.6 inches |
Caractéristiques graphiques
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 7.5 | 8.6 |
| Shader model | 6.6 | 6.6 |
AUTRES CARACTÉRISTIQUES
Carte graphique
| Date de publication | — | Sep 1st, 2020 |
|---|---|---|
| Génération | — | GeForce 30 |
| Production | — | Active |
| Prix de lancement | — | 699 USD |
| Bus interface | — | PCIe 4.0 x16 |
| gpu.details.availability | — | Sep 17th, 2020 |
| Prédécesseur | — | GeForce 20 |
| Prix courant | — | Amazon / Newegg |
| Critiques | — | 99 in our database |
