AMD Radeon R8 M445DX vs AMD Radeon Vega 8
Processeur graphique
| Nom du GPU | Meso | Picasso |
|---|---|---|
| GPU variant | Meso PRO (216-0864032) | — |
| Architecture | GCN 3.0 | GCN 5.0 |
| Fonderie | TSMC | GlobalFoundries |
| Taille du processus | 28 nm | 14 nm |
| Transistors | 1,550 million | 4,940 million |
| Taille des matrices | 125 mm² | 210 mm² |
Carte graphique intégré
| Date de publication | May 15th, 2016 | Jul 7th, 2019 |
|---|---|---|
| Génération | Crystal System (Rx M400) | Picasso (Vega) |
| Production | End-of-life | Active |
| Bus interface | IGP | IGP |
| Prédécesseur | — | Raven Ridge |
| Successeur | — | Renoir |
Vitesse clock
| Base clock | 780 MHz | 300 MHz |
|---|---|---|
| Boost clock | 1021 MHz | 1250 MHz |
| Mémoire clock | System Shared | System Shared |
Mémoire
| Taille de la mémoire | System Shared | System Shared |
|---|---|---|
| Type de mémoire | System Shared | System Shared |
| Bus mémoire | System Shared | System Shared |
| Bande passante | System Dependent | System Dependent |
Render Config
| Shading units | 320 | 512 |
|---|---|---|
| TMUs | 20 | 32 |
| ROPs | 8 | 8 |
| Compute units | 5 | 8 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 128 KB | — |
Performance théorique
| Taux de pixel | 8.168 GPixel/s | 10.00 GPixel/s |
|---|---|---|
| Taux de texture | 20.42 GTexel/s | 40.00 GTexel/s |
| FP16 (half) performance | 653.4 GFLOPS (1:1) | 2.560 TFLOPS (2:1) |
| FP32 (float) performance | 653.4 GFLOPS | 1,280 GFLOPS |
| FP64 (double) performance | 40.84 GFLOPS (1:16) | 80.00 GFLOPS (1:16) |
Board Design
| Taille Slot | IGP | IGP |
|---|---|---|
| TDP | unknown | 15 W |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | — | None |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.0 | 6.4 |
