GPU Name | Chelsea | Litho |
---|---|---|
GPU Variante | Chelsea LE (216-0834065) | Litho XT |
Architektur | GCN 1.0 | GCN 1.0 |
Hersteller | TSMC | TSMC |
Prozessgröße | 28 nm | 28 nm |
Transistoren | 1,500 million | 690 million |
Chipgröße | 123 mm² | 56 mm² |
Veröffentlichungsdatum | Apr 24th, 2012 | May 5th, 2015 |
---|---|---|
Generation | London (HD 7700M) | Crystal System (R7 M300) |
Produktion | End-of-life | End-of-life |
Businterface | PCIe 2.0 x16 | PCIe 3.0 x8 |
Vorgänger | Vancouver | Solar System |
Nachfolger | Solar System | Mobility Radeon |
Basis-Taktfrequenz | 575 MHz | 900 MHz |
---|---|---|
Boost-Takt | 675 MHz | 960 MHz |
Speicher-Taktung | 900 MHz 1800 Mbps effective | 1000 MHz 4 Gbps effective |
Speichergröße | 2 GB | 1024 MB |
---|---|---|
Speichertyp | DDR3 | GDDR5 |
Speicherbus | 128 bit | 128 bit |
Bandbreite | 28.80 GB/s | 64.00 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 | 10.80 GPixel/s | 7.680 GPixel/s |
---|---|---|
Texturrate | 21.60 GTexel/s | 23.04 GTexel/s |
FP32 (float) Leistung | 691.2 GFLOPS | 737.3 GFLOPS |
FP64 (double) Leistung | 43.20 GFLOPS (1:16) | 46.08 GFLOPS (1:16) |
TDP | 25 W | unknown |
---|---|---|
Ausgabe | No outputs | No outputs |
DirectX | 12 (11_1) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 5.1 | 5.1 |