GPU Name | Neptune | Emerald |
---|---|---|
GPU Variante | Neptune XT (216-0847000) | Emerald XT |
Architektur | GCN 1.0 | GCN 2.0 |
Hersteller | TSMC | TSMC |
Prozessgröße | 28 nm | 28 nm |
Transistoren | 2,800 million | 2,080 million |
Chipgröße | 212 mm² | 160 mm² |
Veröffentlichungsdatum | Jan 9th, 2014 | May 15th, 2016 |
---|---|---|
Generation | Crystal System (R9 M200) | Crystal System (R9 M400) |
Produktion | End-of-life | End-of-life |
Businterface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Vorgänger | Solar System | Solar System |
Nachfolger | Mobility Radeon | Mobility Radeon |
Basis-Taktfrequenz | 850 MHz | 1000 MHz |
---|---|---|
Boost-Takt | 900 MHz | 1100 MHz |
Speicher-Taktung | 1200 MHz 4.8 Gbps effective | 1500 MHz 6 Gbps effective |
Speichergröße | 4 GB | 4 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 256 bit | 128 bit |
Bandbreite | 153.6 GB/s | 96.00 GB/s |
Shading-Einheiten | 1280 | 896 |
---|---|---|
TMUs | 80 | 56 |
ROPs | 32 | 16 |
Compute Units | 20 | 14 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 256 KB |
Pixelrate | 28.80 GPixel/s | 17.60 GPixel/s |
---|---|---|
Texturrate | 72.00 GTexel/s | 61.60 GTexel/s |
FP32 (float) Leistung | 2.304 TFLOPS | 1.971 TFLOPS |
FP64 (double) Leistung | 144.0 GFLOPS (1:16) | 123.2 GFLOPS (1:16) |
Steckplatzbreite | MXM Module | — |
---|---|---|
TDP | 100 W | unknown |
Ausgabe | No outputs | No outputs |
Stromverbindung | None | — |
Board-Nummer | C608 | — |
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 |