AMD Radeon RX 470 Mobile vs AMD Radeon RX 580 Mobile
Processeur graphique
| Nom du GPU | Ellesmere | Polaris 20 |
|---|---|---|
| GPU variant | Ellesmere PRO | Polaris 20M XT |
| Architecture | GCN 4.0 | GCN 4.0 |
| Fonderie | GlobalFoundries | GlobalFoundries |
| Taille du processus | 14 nm | 14 nm |
| Transistors | 5,700 million | 5,700 million |
| Taille des matrices | 232 mm² | 232 mm² |
Graphiques mobiles
| Date de publication | Aug 4th, 2016 | Apr 18th, 2017 |
|---|---|---|
| Génération | Mobility Radeon (RX M400) | Mobility Radeon (RX M500) |
| Production | Active | Active |
| Bus interface | MXM-B (3.0) | MXM-B (3.0) |
| Prédécesseur | Crystal System | Crystal System |
Vitesse clock
| Base clock | 926 MHz | 1000 MHz |
|---|---|---|
| Boost clock | 1074 MHz | 1077 MHz |
| Mémoire clock | 1750 MHz 7 Gbps effective | 2000 MHz 8 Gbps effective |
Mémoire
| Taille de la mémoire | 8 GB | 8 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 256 bit | 256 bit |
| Bande passante | 224.0 GB/s | 256.0 GB/s |
Render Config
| Shading units | 2048 | 2304 |
|---|---|---|
| TMUs | 128 | 144 |
| ROPs | 32 | 32 |
| Compute units | 32 | 36 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 2 MB | 2 MB |
Performance théorique
| Taux de pixel | 34.37 GPixel/s | 34.46 GPixel/s |
|---|---|---|
| Taux de texture | 137.5 GTexel/s | 155.1 GTexel/s |
| FP16 (half) performance | 4.399 TFLOPS (1:1) | 4.963 TFLOPS (1:1) |
| FP32 (float) performance | 4.399 TFLOPS | 4.963 TFLOPS |
| FP64 (double) performance | 274.9 GFLOPS (1:16) | 310.2 GFLOPS (1:16) |
Board Design
| Taille Slot | MXM Module | MXM Module |
|---|---|---|
| TDP | 85 W | 100 W |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | None | None |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.4 |
