AMD Radeon E9173 PCIe vs NVIDIA GeForce 945A
Grafikprozessor
| GPU Name | Lexa | GM108 |
|---|---|---|
| GPU Variante | E9170 | — |
| Architektur | GCN 4.0 | Maxwell |
| Hersteller | GlobalFoundries | TSMC |
| Prozessgröße | 14 nm | 28 nm |
| Transistoren | 2,200 million | unknown |
| Chipgröße | 103 mm² | unknown |
Mobile Grafik
| Veröffentlichungsdatum | Oct 3rd, 2017 | Mar 13th, 2015 |
|---|---|---|
| Generation | Embedded (9000) | GeForce 900A |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Vorgänger | — | GeForce 800A |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 1124 MHz | 1006 MHz |
|---|---|---|
| Boost-Takt | 1219 MHz | 1189 MHz |
| Speicher-Taktung | 1500 MHz 6 Gbps effective | 1253 MHz 5 Gbps effective |
Speicher
| Speichergröße | 2 GB | 1024 MB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 64 bit | 64 bit |
| Bandbreite | 48.00 GB/s | 40.10 GB/s |
Render-Konfiguration
| Shading-Einheiten | 512 | 384 |
|---|---|---|
| TMUs | 32 | 24 |
| ROPs | 16 | 8 |
| Compute Units | 8 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
| Cache L2 | 256 KB | 1024 KB |
| Anzahl SMM | — | 3 |
Theoretische Leistung
| Pixelrate | 19.50 GPixel/s | 9.512 GPixel/s |
|---|---|---|
| Texturrate | 39.01 GTexel/s | 28.54 GTexel/s |
| FP16 (half) Leistung | 1,248 GFLOPS (1:1) | — |
| FP32 (float) Leistung | 1,248 GFLOPS | 913.2 GFLOPS |
| FP64 (double) Leistung | 78.02 GFLOPS (1:16) | 28.54 GFLOPS (1:32) |
Boarddesign
| Steckplatzbreite | Single-slot | MXM Module |
|---|---|---|
| TDP | 35 W | 33 W |
| Ausgabe | 1x DisplayPort2x mini-DisplayPort | No outputs |
| Stromverbindung | None | — |
| Teile-Nummer | 102-D09126 | — |
| Board-Nummer | 109-D09187 | — |
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 |
