GPU Name | Pitcairn | Tahiti |
---|---|---|
GPU Variante | Pitcairn XT (215-0828047) | Tahiti PRO (215-0821056) |
Architektur | GCN 1.0 | GCN 1.0 |
Hersteller | TSMC | TSMC |
Prozessgröße | 28 nm | 28 nm |
Transistoren | 2,800 million | 4,313 million |
Chipgröße | 212 mm² | 352 mm² |
Veröffentlichungsdatum | Mar 5th, 2012 | Jan 31st, 2012 |
---|---|---|
Generation | Southern Islands | Southern Islands |
Produktion | End-of-life | End-of-life |
Originalpreis | 349 USD | — |
Businterface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Reviews | 95 in our database | 118 in our database |
Vorgänger | Northern Islands | Northern Islands |
Nachfolger | Sea Islands | Sea Islands |
GPU-Taktung | 1000 MHz | 800 MHz |
---|---|---|
Speicher-Taktung | 1200 MHz 4.8 Gbps effective | 1250 MHz 5 Gbps effective |
Speichergröße | 2 GB | 3 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 256 bit | 384 bit |
Bandbreite | 153.6 GB/s | 240.0 GB/s |
Shading-Einheiten | 1280 | 768 |
---|---|---|
TMUs | 80 | 48 |
ROPs | 32 | 32 |
Compute Units | 20 | 12 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 512 KB | 768 KB |
Pixelrate | 32.00 GPixel/s | 25.60 GPixel/s |
---|---|---|
Texturrate | 80.00 GTexel/s | 38.40 GTexel/s |
FP32 (float) Leistung | 2.560 TFLOPS | 1,229 GFLOPS |
FP64 (double) Leistung | 160.0 GFLOPS (1:16) | 307.2 GFLOPS (1:4) |
Steckplatzbreite | Dual-slot | Dual-slot |
---|---|---|
Länge | 241 mm 9.5 inches | 267 mm 10.5 inches |
TDP | 175 W | 85 W |
Vorgeschlagenes Netzteil | 450 W | 250 W |
Ausgabe | 1x DVI1x HDMI2x mini-DisplayPort | 1x DVI1x HDMI2x mini-DisplayPort |
Stromverbindung | 2x 6-pin | 1x 6-pin + 1x 8-pin |
Board-Nummer | C401-47 | C386 |
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 |