AMD Radeon R8 M445DX vs NVIDIA GeForce 825M
Processeur graphique
| Nom du GPU | Meso | GK208 |
|---|---|---|
| GPU variant | Meso PRO (216-0864032) | — |
| Architecture | GCN 3.0 | Kepler 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 1,550 million | 1,020 million |
| Taille des matrices | 125 mm² | 87 mm² |
Carte graphique intégré
| Date de publication | May 15th, 2016 | — |
|---|---|---|
| Génération | Crystal System (Rx M400) | — |
| Production | End-of-life | — |
| Bus interface | IGP | — |
Vitesse clock
| Base clock | 780 MHz | 850 MHz |
|---|---|---|
| Boost clock | 1021 MHz | 941 MHz |
| Mémoire clock | System Shared | 900 MHz 1800 Mbps effective |
Mémoire
| Taille de la mémoire | System Shared | 1024 MB |
|---|---|---|
| Type de mémoire | System Shared | DDR3 |
| Bus mémoire | System Shared | 64 bit |
| Bande passante | System Dependent | 14.40 GB/s |
Render Config
| Shading units | 320 | 384 |
|---|---|---|
| TMUs | 20 | 32 |
| ROPs | 8 | 8 |
| Compute units | 5 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 128 KB | 512 KB |
| Comptage SMX | — | 2 |
Performance théorique
| Taux de pixel | 8.168 GPixel/s | 7.528 GPixel/s |
|---|---|---|
| Taux de texture | 20.42 GTexel/s | 30.11 GTexel/s |
| FP16 (half) performance | 653.4 GFLOPS (1:1) | — |
| FP32 (float) performance | 653.4 GFLOPS | 722.7 GFLOPS |
| FP64 (double) performance | 40.84 GFLOPS (1:16) | 30.11 GFLOPS (1:24) |
Board Design
| Taille Slot | IGP | IGP |
|---|---|---|
| TDP | unknown | 33 W |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | — | None |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.0 | 5.1 |
| CUDA | — | 3.5 |
AUTRES CARACTÉRISTIQUES
Graphiques mobiles
| Date de publication | — | Jan 27th, 2014 |
|---|---|---|
| Génération | — | GeForce 800M |
| Production | — | End-of-life |
| Bus interface | — | PCIe 3.0 x8 |
| Prédécesseur | — | GeForce 700M |
| Successeur | — | GeForce 900M |
