AMD Radeon RX 550 Mobile vs NVIDIA GeForce GTX 950A
Grafikprozessor
| GPU Name | Lexa | GM107 |
|---|---|---|
| GPU Variante | Lexa PRO (215-0904018) | N16P-GT |
| Architektur | GCN 4.0 | Maxwell |
| Hersteller | GlobalFoundries | TSMC |
| Prozessgröße | 14 nm | 28 nm |
| Transistoren | 2,200 million | 1,870 million |
| Chipgröße | 103 mm² | 148 mm² |
Mobile Grafik
| Veröffentlichungsdatum | Jul 2nd, 2017 | Mar 13th, 2015 |
|---|---|---|
| Generation | Mobility Radeon (RX M500) | GeForce 900A |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 3.0 x8 | MXM-B (3.0) |
| Vorgänger | Crystal System | GeForce 800A |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 1100 MHz | 993 MHz |
|---|---|---|
| Boost-Takt | 1287 MHz | 1124 MHz |
| Speicher-Taktung | 1500 MHz 6 Gbps effective | 1001 MHz 2 Gbps effective |
Speicher
| Speichergröße | 2 GB | 2 GB |
|---|---|---|
| Speichertyp | GDDR5 | DDR3 |
| Speicherbus | 128 bit | 128 bit |
| Bandbreite | 96.00 GB/s | 32.03 GB/s |
Render-Konfiguration
| Shading-Einheiten | 640 | 640 |
|---|---|---|
| TMUs | 40 | 40 |
| ROPs | 16 | 16 |
| Compute Units | 10 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
| Cache L2 | 512 KB | 2 MB |
| Anzahl SMM | — | 5 |
Theoretische Leistung
| Pixelrate | 20.59 GPixel/s | 17.98 GPixel/s |
|---|---|---|
| Texturrate | 51.48 GTexel/s | 44.96 GTexel/s |
| FP16 (half) Leistung | 1.647 TFLOPS (1:1) | — |
| FP32 (float) Leistung | 1.647 TFLOPS | 1,439 GFLOPS |
| FP64 (double) Leistung | 103.0 GFLOPS (1:16) | 44.96 GFLOPS (1:32) |
Boarddesign
| Steckplatzbreite | IGP | MXM Module |
|---|---|---|
| TDP | 50 W | 75 W |
| Ausgabe | No outputs | No outputs |
| Stromverbindung | None | — |
Grafik-Features
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader-Modell | 6.4 | 5.1 |
| CUDA | — | 5.0 |
