AMD Radeon RX 550X Mobile vs ATI Mobility Radeon HD 4870
Grafikprozessor
| GPU Name | Polaris 23 | M98 |
|---|---|---|
| GPU Variante | Polaris 23 MXT | M98 XT (216-0732023) |
| Architektur | GCN 4.0 | TeraScale |
| Hersteller | GlobalFoundries | TSMC |
| Prozessgröße | 14 nm | 55 nm |
| Transistoren | 2,200 million | 956 million |
| Chipgröße | 103 mm² | 256 mm² |
Mobile Grafik
| Veröffentlichungsdatum | Apr 11th, 2018 | Jan 9th, 2009 |
|---|---|---|
| Generation | Mobility Radeon (RX M500X) | M9x (Mobility HD 4800) |
| Produktion | Active | End-of-life |
| Businterface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Vorgänger | Crystal System | M8x |
| Reviews | — | 2 in our database |
| Nachfolger | — | Manhattan |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 1100 MHz | — |
|---|---|---|
| Boost-Takt | 1176 MHz | — |
| Speicher-Taktung | 1500 MHz 6 Gbps effective | 888 MHz 1776 Mbps effective |
| GPU-Taktung | — | 550 MHz |
Speicher
| Speichergröße | 2 GB | 512 MB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR3 |
| Speicherbus | 64 bit | 256 bit |
| Bandbreite | 48.00 GB/s | 56.83 GB/s |
Render-Konfiguration
| Shading-Einheiten | 640 | 800 |
|---|---|---|
| TMUs | 40 | 40 |
| ROPs | 16 | 16 |
| Compute Units | 10 | 10 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 256 KB |
Theoretische Leistung
| Pixelrate | 18.82 GPixel/s | 8.800 GPixel/s |
|---|---|---|
| Texturrate | 47.04 GTexel/s | 22.00 GTexel/s |
| FP16 (half) Leistung | 1.505 TFLOPS (1:1) | — |
| FP32 (float) Leistung | 1.505 TFLOPS | 880.0 GFLOPS |
| FP64 (double) Leistung | 94.08 GFLOPS (1:16) | 176.0 GFLOPS (1:5) |
Boarddesign
| Steckplatzbreite | IGP | — |
|---|---|---|
| TDP | 50 W | unknown |
| Ausgabe | No outputs | No outputs |
| Stromverbindung | None | — |
Grafik-Features
| DirectX | 12 (12_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 2.1 | 1.1 |
| Vulkan | 1.2 | — |
| Shader-Modell | 6.4 | 4.1 |
