AMD Radeon HD 8730M vs AMD Radeon R9 M280X
Grafikprozessor
| GPU Name | Mars | Saturn |
|---|---|---|
| GPU Variante | Mars LE | Saturn XT |
| Architektur | GCN 1.0 | GCN 2.0 |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 28 nm |
| Transistoren | 950 million | 2,080 million |
| Chipgröße | 77 mm² | 160 mm² |
Mobile Grafik
| Veröffentlichungsdatum | Apr 1st, 2013 | Feb 5th, 2015 |
|---|---|---|
| Generation | Solar System (HD 8700M) | Crystal System (R9 M200) |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Vorgänger | London | Solar System |
| Nachfolger | Crystal System | Mobility Radeon |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 650 MHz | 900 MHz |
|---|---|---|
| Boost-Takt | 700 MHz | 1000 MHz |
| Speicher-Taktung | 900 MHz 1800 Mbps effective | 1375 MHz 5.5 Gbps effective |
Speicher
| Speichergröße | 2 GB | 4 GB |
|---|---|---|
| Speichertyp | DDR3 | GDDR5 |
| Speicherbus | 128 bit | 128 bit |
| Bandbreite | 28.80 GB/s | 88.00 GB/s |
Render-Konfiguration
| Shading-Einheiten | 384 | 896 |
|---|---|---|
| TMUs | 24 | 56 |
| ROPs | 8 | 16 |
| Compute Units | 6 | 14 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 256 KB |
Theoretische Leistung
| Pixelrate | 5.600 GPixel/s | 16.00 GPixel/s |
|---|---|---|
| Texturrate | 16.80 GTexel/s | 56.00 GTexel/s |
| FP32 (float) Leistung | 537.6 GFLOPS | 1.792 TFLOPS |
| FP64 (double) Leistung | 33.60 GFLOPS (1:16) | 112.0 GFLOPS (1:16) |
Boarddesign
| TDP | unknown | unknown |
|---|---|---|
| Ausgabe | No outputs | No outputs |
Grafik-Features
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader-Modell | 5.1 | 6.3 |
