GPU Name | Tahiti | Lexa |
---|---|---|
GPU Variante | Tahiti PRO (215-0821056) | Lexa PRO (215-0904018) |
Architektur | GCN 1.0 | GCN 4.0 |
Hersteller | TSMC | GlobalFoundries |
Prozessgröße | 28 nm | 14 nm |
Transistoren | 4,313 million | 2,200 million |
Chipgröße | 352 mm² | 103 mm² |
Veröffentlichungsdatum | Jan 31st, 2012 | Apr 20th, 2017 |
---|---|---|
Generation | Southern Islands | Polaris |
Produktion | End-of-life | End-of-life |
Originalpreis | 449 USD | 79 USD |
Businterface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Reviews | 118 in our database | — |
Vorgänger | Northern Islands | Arctic Islands |
Nachfolger | Sea Islands | Vega |
GPU-Taktung | 800 MHz | — |
---|---|---|
Speicher-Taktung | 1250 MHz 5 Gbps effective | 1750 MHz 7 Gbps effective |
Basis-Taktfrequenz | — | 1100 MHz |
Boost-Takt | — | 1183 MHz |
Speichergröße | 3 GB | 2 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 384 bit | 128 bit |
Bandbreite | 240.0 GB/s | 112.0 GB/s |
Shading-Einheiten | 1792 | 512 |
---|---|---|
TMUs | 112 | 32 |
ROPs | 32 | 16 |
Compute Units | 28 | 8 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 768 KB | 512 KB |
Pixelrate | 25.60 GPixel/s | 18.93 GPixel/s |
---|---|---|
Texturrate | 89.60 GTexel/s | 37.86 GTexel/s |
FP32 (float) Leistung | 2.867 TFLOPS | 1,211 GFLOPS |
FP64 (double) Leistung | 716.8 GFLOPS (1:4) | 75.71 GFLOPS (1:16) |
FP16 (half) Leistung | — | 1,211 GFLOPS (1:1) |
Steckplatzbreite | Dual-slot | Dual-slot |
---|---|---|
Länge | 278 mm 10.9 inches | 145 mm 5.7 inches |
Breite | 111 mm 4.4 inches | — |
Höhe | 38 mm 1.5 inches | — |
TDP | 200 W | 50 W |
Vorgeschlagenes Netzteil | 550 W | 250 W |
Ausgabe | 1x DVI1x HDMI2x mini-DisplayPort | 1x DVI1x HDMI1x DisplayPort |
Stromverbindung | 2x 6-pin | None |
Board-Nummer | C386-37 | D090-01 |
DirectX | 12 (11_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 5.1 | 6.4 |