GPU Name | Lexa | Litho |
---|---|---|
GPU Variante | Lexa PRO (215-0904018) | Litho XT |
Architektur | GCN 4.0 | GCN 1.0 |
Hersteller | GlobalFoundries | TSMC |
Prozessgröße | 14 nm | 28 nm |
Transistoren | 2,200 million | 690 million |
Chipgröße | 103 mm² | 56 mm² |
Veröffentlichungsdatum | Mar 26th, 2019 | May 5th, 2015 |
---|---|---|
Generation | Mobility Radeon (M500) | Crystal System (R7 M300) |
Produktion | End-of-life | End-of-life |
Businterface | PCIe 3.0 x8 | PCIe 3.0 x8 |
Vorgänger | Crystal System | Solar System |
Nachfolger | — | Mobility Radeon |
Basis-Taktfrequenz | 1100 MHz | 900 MHz |
---|---|---|
Boost-Takt | 1124 MHz | 960 MHz |
Speicher-Taktung | 1500 MHz 6 Gbps effective | 1150 MHz 4.6 Gbps effective |
Speichergröße | 2 GB | 4 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 64 bit | 128 bit |
Bandbreite | 48.00 GB/s | 73.60 GB/s |
Shading-Einheiten | 512 | 384 |
---|---|---|
TMUs | 32 | 24 |
ROPs | 16 | 8 |
Compute Units | 8 | 6 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixelrate | 17.98 GPixel/s | 7.680 GPixel/s |
---|---|---|
Texturrate | 35.97 GTexel/s | 23.04 GTexel/s |
FP16 (half) Leistung | 1,151 GFLOPS (1:1) | — |
FP32 (float) Leistung | 1,151 GFLOPS | 737.3 GFLOPS |
FP64 (double) Leistung | 71.94 GFLOPS (1:16) | 46.08 GFLOPS (1:16) |
Steckplatzbreite | Dual-slot | — |
---|---|---|
TDP | 50 W | unknown |
Ausgabe | No outputs | No outputs |
Stromverbindung | None | — |
DirectX | 12 (12_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 6.4 | 5.1 |