AMD Radeon R7 M270 vs AMD Radeon R8 M445DX
Processeur graphique
| Nom du GPU | Opal | Meso |
|---|---|---|
| GPU variant | Opal XT | Meso PRO (216-0864032) |
| Architecture | GCN 1.0 | GCN 3.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 950 million | 1,550 million |
| Taille des matrices | 77 mm² | 125 mm² |
Graphiques mobiles
| Date de publication | Jan 9th, 2014 | — |
|---|---|---|
| Génération | Crystal System (R7 M200) | — |
| Production | End-of-life | — |
| Bus interface | PCIe 3.0 x8 | — |
| Prédécesseur | Solar System | — |
| Successeur | Mobility Radeon | — |
Vitesse clock
| Base clock | 725 MHz | 780 MHz |
|---|---|---|
| Boost clock | 825 MHz | 1021 MHz |
| Mémoire clock | 900 MHz 1800 Mbps effective | System Shared |
Mémoire
| Taille de la mémoire | 2 GB | System Shared |
|---|---|---|
| Type de mémoire | DDR3 | System Shared |
| Bus mémoire | 128 bit | System Shared |
| Bande passante | 28.80 GB/s | System Dependent |
Render Config
| Shading units | 384 | 320 |
|---|---|---|
| TMUs | 24 | 20 |
| ROPs | 8 | 8 |
| Compute units | 6 | 5 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 128 KB |
Performance théorique
| Taux de pixel | 6.600 GPixel/s | 8.168 GPixel/s |
|---|---|---|
| Taux de texture | 19.80 GTexel/s | 20.42 GTexel/s |
| FP32 (float) performance | 633.6 GFLOPS | 653.4 GFLOPS |
| FP16 (half) performance | — | 653.4 GFLOPS (1:1) |
| FP64 (double) performance | — | 40.84 GFLOPS (1:16) |
Board Design
| TDP | unknown | unknown |
|---|---|---|
| Sorties | No outputs | No outputs |
| Taille Slot | — | IGP |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.0 |
AUTRES CARACTÉRISTIQUES
Carte graphique intégré
| Date de publication | — | May 15th, 2016 |
|---|---|---|
| Génération | — | Crystal System (Rx M400) |
| Production | — | End-of-life |
| Bus interface | — | IGP |
