AMD Radeon HD 7850M vs AMD Radeon Pro WX 4170 Mobile
Grafikprozessor
| GPU Name | Heathrow | Baffin |
|---|---|---|
| GPU Variante | Heathrow PRO | Baffin XT |
| Architektur | GCN 1.0 | GCN 4.0 |
| Hersteller | TSMC | GlobalFoundries |
| Prozessgröße | 28 nm | 14 nm |
| Transistoren | 1,500 million | 3,000 million |
| Chipgröße | 123 mm² | 123 mm² |
Mobile Grafik
| Veröffentlichungsdatum | Apr 24th, 2012 | Mar 1st, 2017 |
|---|---|---|
| Generation | London (HD 7800M) | Radeon Pro Mobile (WX x100) |
| Produktion | End-of-life | Active |
| Businterface | PCIe 3.0 x16 | PCIe 3.0 x8 |
| Vorgänger | Vancouver | — |
| Nachfolger | Solar System | — |
Takt-Geschwindigkeiten
| GPU-Taktung | 675 MHz | — |
|---|---|---|
| Speicher-Taktung | 1000 MHz 4 Gbps effective | 1500 MHz 6 Gbps effective |
| Basis-Taktfrequenz | — | 1002 MHz |
| Boost-Takt | — | 1201 MHz |
Speicher
| Speichergröße | 2 GB | 4 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 128 bit | 128 bit |
| Bandbreite | 64.00 GB/s | 96.00 GB/s |
Render-Konfiguration
| Shading-Einheiten | 640 | 1024 |
|---|---|---|
| TMUs | 40 | 64 |
| ROPs | 16 | 16 |
| Compute Units | 10 | 16 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 1024 KB |
Theoretische Leistung
| Pixelrate | 10.80 GPixel/s | 19.22 GPixel/s |
|---|---|---|
| Texturrate | 27.00 GTexel/s | 76.86 GTexel/s |
| FP32 (float) Leistung | 864.0 GFLOPS | 2.460 TFLOPS |
| FP64 (double) Leistung | 54.00 GFLOPS (1:16) | 153.7 GFLOPS (1:16) |
| FP16 (half) Leistung | — | 2.460 TFLOPS (1:1) |
Boarddesign
| TDP | 40 W | 50 W |
|---|---|---|
| Ausgabe | No outputs | No outputs |
| Steckplatzbreite | — | MXM Module |
| Stromverbindung | — | None |
Grafik-Features
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader-Modell | 5.1 | 6.4 |
