NVIDIA GeForce MX250 vs NVIDIA GeForce MX450 25W
Processeur graphique
| Nom du GPU | GP108 | TU117 |
|---|---|---|
| GPU variant | N17S-G2-A1 | N18S-G5 |
| Architecture | Pascal | Turing |
| Fonderie | Samsung | TSMC |
| Taille du processus | 14 nm | 12 nm |
| Transistors | 1,800 million | 4,700 million |
| Taille des matrices | 74 mm² | 200 mm² |
Graphiques mobiles
| Date de publication | Feb 21st, 2019 | Aug 15th, 2020 |
|---|---|---|
| Génération | GeForce MX (2xx) | GeForce MX (4xx) |
| Production | End-of-life | Active |
| Bus interface | PCIe 3.0 x4 | PCIe 4.0 x4 |
Vitesse clock
| Base clock | 1519 MHz | 720 MHz |
|---|---|---|
| Boost clock | 1582 MHz | 930 MHz |
| Mémoire clock | 1502 MHz 6 Gbps effective | 1250 MHz 10 Gbps effective |
Mémoire
| Taille de la mémoire | 2 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR6 |
| Bus mémoire | 64 bit | 64 bit |
| Bande passante | 48.06 GB/s | 80.00 GB/s |
Render Config
| Shading units | 384 | 896 |
|---|---|---|
| TMUs | 24 | 56 |
| ROPs | 16 | 32 |
| Comptage SM | 3 | 14 |
| Cache L1 | 48 KB (per SM) | 64 KB (per SM) |
| Cache L2 | 512 KB | 512 KB |
Performance théorique
| Taux de pixel | 25.31 GPixel/s | 29.76 GPixel/s |
|---|---|---|
| Taux de texture | 37.97 GTexel/s | 52.08 GTexel/s |
| FP16 (half) performance | 18.98 GFLOPS (1:64) | 3.333 TFLOPS (2:1) |
| FP32 (float) performance | 1,215 GFLOPS | 1.667 TFLOPS |
| FP64 (double) performance | 37.97 GFLOPS (1:32) | 52.08 GFLOPS (1:32) |
Board Design
| Taille Slot | IGP | — |
|---|---|---|
| TDP | 25 W | 25 W |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | None | None |
Caractéristiques graphiques
| DirectX | 12 (12_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 6.1 | 7.5 |
| Shader model | 6.4 | 6.6 |
