GPU Name | Tahiti | Polaris 21 |
---|---|---|
GPU Variante | Tahiti PRO3 (215-0821330) | Polaris 21 XT (215-0908004) |
Architektur | GCN 1.0 | GCN 4.0 |
Hersteller | TSMC | GlobalFoundries |
Prozessgröße | 28 nm | 14 nm |
Transistoren | 4,313 million | 3,000 million |
Chipgröße | 352 mm² | 123 mm² |
Veröffentlichungsdatum | Mar 4th, 2014 | Apr 18th, 2017 |
---|---|---|
Generation | Volcanic Islands | Polaris |
Produktion | End-of-life | Active |
Originalpreis | 279 USD | 99 USD |
Businterface | PCIe 3.0 x16 | PCIe 3.0 x8 |
Reviews | 35 in our database | — |
Vorgänger | Sea Islands | Arctic Islands |
Nachfolger | Pirate Islands | Vega |
Basis-Taktfrequenz | 827 MHz | 1175 MHz |
---|---|---|
Boost-Takt | 933 MHz | 1275 MHz |
Speicher-Taktung | 1250 MHz 5 Gbps effective | 1750 MHz 7 Gbps effective |
Speichergröße | 3 GB | 4 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 384 bit | 128 bit |
Bandbreite | 240.0 GB/s | 112.0 GB/s |
Shading-Einheiten | 1792 | 1024 |
---|---|---|
TMUs | 112 | 64 |
ROPs | 32 | 16 |
Compute Units | 28 | 16 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 768 KB | 1024 KB |
Pixelrate | 29.86 GPixel/s | 20.40 GPixel/s |
---|---|---|
Texturrate | 104.5 GTexel/s | 81.60 GTexel/s |
FP32 (float) Leistung | 3.344 TFLOPS | 2.611 TFLOPS |
FP64 (double) Leistung | 836.0 GFLOPS (1:4) | 163.2 GFLOPS (1:16) |
FP16 (half) Leistung | — | 2.611 TFLOPS (1:1) |
Steckplatzbreite | Dual-slot | Dual-slot |
---|---|---|
Länge | 275 mm 10.8 inches | 170 mm 6.7 inches |
Breite | 109 mm 4.3 inches | — |
Höhe | 36 mm 1.4 inches | — |
TDP | 200 W | 75 W |
Vorgeschlagenes Netzteil | 550 W | 250 W |
Ausgabe | 1x DVI2x HDMI1x DisplayPort | 1x DVI1x HDMI1x DisplayPort |
Stromverbindung | 1x 6-pin + 1x 8-pin | None |
Board-Nummer | C386 | C994 |
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 |