GPU Name | Cypress | Lexa |
---|---|---|
GPU Variante | Cypress PRO GL | Lexa XT |
Architektur | TeraScale 2 | GCN 4.0 |
Hersteller | TSMC | GlobalFoundries |
Prozessgröße | 40 nm | 14 nm |
Transistoren | 2,154 million | 2,200 million |
Chipgröße | 334 mm² | 103 mm² |
Veröffentlichungsdatum | Jun 1st, 2010 | Jun 12th, 2017 |
---|---|---|
Generation | FireStream | Radeon Pro |
Produktion | End-of-life | End-of-life |
Businterface | PCIe 2.0 x16 | PCIe 3.0 x8 |
Originalpreis | — | 199 USD |
GPU-Taktung | 700 MHz | — |
---|---|---|
Speicher-Taktung | 1000 MHz 4 Gbps effective | 1500 MHz 6 Gbps effective |
Basis-Taktfrequenz | — | 925 MHz |
Boost-Takt | — | 1219 MHz |
Speichergröße | 2 GB | 4 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 256 bit | 128 bit |
Bandbreite | 128.0 GB/s | 96.00 GB/s |
Shading-Einheiten | 1440 | 512 |
---|---|---|
TMUs | 72 | 32 |
ROPs | 32 | 16 |
Compute Units | 18 | 8 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 512 KB |
Pixelrate | 22.40 GPixel/s | 19.50 GPixel/s |
---|---|---|
Texturrate | 50.40 GTexel/s | 39.01 GTexel/s |
FP32 (float) Leistung | 2.016 TFLOPS | 1,248 GFLOPS |
FP64 (double) Leistung | 403.2 GFLOPS (1:5) | 78.02 GFLOPS (1:16) |
FP16 (half) Leistung | — | 1,248 GFLOPS (1:1) |
Steckplatzbreite | Single-slot | Single-slot |
---|---|---|
Länge | 241 mm 9.5 inches | 168 mm 6.6 inches |
Breite | 111 mm 4.4 inches | 69 mm 2.7 inches |
TDP | 150 W | 65 W |
Vorgeschlagenes Netzteil | 450 W | 250 W |
Ausgabe | 1x DisplayPort | 1x DisplayPort2x mini-DisplayPort |
Stromverbindung | 1x 6-pin | None |
Board-Nummer | — | D091 |
DirectX | 11.2 (11_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | — | 1.2 |
Shader-Modell | 5.0 | 6.4 |