GPU Name | Grenada | Polaris 20 |
---|---|---|
GPU Variante | Grenada XT (215-0880004) | Polaris 20 XTR (215-0910066) |
Architektur | GCN 2.0 | GCN 4.0 |
Hersteller | TSMC | GlobalFoundries |
Prozessgröße | 28 nm | 14 nm |
Transistoren | 6,200 million | 5,700 million |
Chipgröße | 438 mm² | 232 mm² |
Veröffentlichungsdatum | Jun 18th, 2015 | Mar 9th, 2020 |
---|---|---|
Generation | Pirate Islands | Polaris |
Produktion | End-of-life | Active |
Originalpreis | 429 USD | — |
Businterface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Reviews | 60 in our database | — |
Vorgänger | Volcanic Islands | Arctic Islands |
Nachfolger | Arctic Islands | Vega |
GPU-Taktung | 1050 MHz | — |
---|---|---|
Speicher-Taktung | 1500 MHz 6 Gbps effective | 2000 MHz 8 Gbps effective |
Basis-Taktfrequenz | — | 1257 MHz |
Boost-Takt | — | 1380 MHz |
Speichergröße | 8 GB | 8 GB |
---|---|---|
Speichertyp | GDDR5 | GDDR5 |
Speicherbus | 512 bit | 256 bit |
Bandbreite | 384.0 GB/s | 256.0 GB/s |
Shading-Einheiten | 2816 | 2304 |
---|---|---|
TMUs | 176 | 144 |
ROPs | 64 | 32 |
Compute Units | 44 | 36 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 1024 KB | 2 MB |
Pixelrate | 67.20 GPixel/s | 44.16 GPixel/s |
---|---|---|
Texturrate | 184.8 GTexel/s | 198.7 GTexel/s |
FP32 (float) Leistung | 5.914 TFLOPS | 6.359 TFLOPS |
FP64 (double) Leistung | 739.2 GFLOPS (1:8) | 397.4 GFLOPS (1:16) |
FP16 (half) Leistung | — | 6.359 TFLOPS (1:1) |
Steckplatzbreite | Dual-slot | Dual-slot |
---|---|---|
Länge | 275 mm 10.8 inches | 241 mm 9.5 inches |
Breite | 109 mm 4.3 inches | — |
Höhe | 36 mm 1.4 inches | — |
TDP | 275 W | 175 W |
Vorgeschlagenes Netzteil | 600 W | 450 W |
Ausgabe | 2x DVI1x HDMI1x DisplayPort | 1x HDMI3x DisplayPort |
Stromverbindung | 1x 6-pin + 1x 8-pin | 1x 8-pin |
Board-Nummer | C671, C679-37 | C940 |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader-Modell | 6.3 | 6.4 |