AMD Radeon R9 390 X2 vs AMD Radeon RX 480
Grafikprozessor
| GPU Name | Grenada | Ellesmere |
|---|---|---|
| GPU Variante | Grenada PRO (215-0880030) | Polaris 10 XT (215-0876184) |
| 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 |
Grafikkarte
| Veröffentlichungsdatum | Sep 3rd, 2015 | Jun 29th, 2016 |
|---|---|---|
| Generation | Pirate Islands | Arctic Islands |
| Produktion | End-of-life | Active |
| Originalpreis | 1,399 USD | 229 USD |
| Businterface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Vorgänger | Volcanic Islands | Pirate Islands |
| Nachfolger | Arctic Islands | Polaris |
| Reviews | — | 86 in our database |
Takt-Geschwindigkeiten
| GPU-Taktung | 1000 MHz | — |
|---|---|---|
| Speicher-Taktung | 1350 MHz 5.4 Gbps effective | 2000 MHz 8 Gbps effective |
| Basis-Taktfrequenz | — | 1120 MHz |
| Boost-Takt | — | 1266 MHz |
Speicher
| Speichergröße | 8 GB | 8 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 512 bit | 256 bit |
| Bandbreite | 345.6 GB/s | 256.0 GB/s |
Render-Konfiguration
| Shading-Einheiten | 2560 | 2304 |
|---|---|---|
| TMUs | 160 | 144 |
| ROPs | 64 | 32 |
| Compute Units | 40 | 36 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 1024 KB | 2 MB |
Theoretische Leistung
| Pixelrate | 64.00 GPixel/s | 40.51 GPixel/s |
|---|---|---|
| Texturrate | 160.0 GTexel/s | 182.3 GTexel/s |
| FP32 (float) Leistung | 5.120 TFLOPS | 5.834 TFLOPS |
| FP64 (double) Leistung | 640.0 GFLOPS (1:8) | 364.6 GFLOPS (1:16) |
| FP16 (half) Leistung | — | 5.834 TFLOPS (1:1) |
Boarddesign
| Steckplatzbreite | Triple-slot | Dual-slot |
|---|---|---|
| TDP | 580 W | 150 W |
| Vorgeschlagenes Netzteil | 950 W | 450 W |
| Ausgabe | 2x DVI1x HDMI1x DisplayPort | 1x HDMI3x DisplayPort |
| Stromverbindung | 4x 8-pin | 1x 6-pin |
| Board-Nummer | C671 | C940, D009-47 |
| Länge | — | 240 mm 9.4 inches |
| Breite | — | 95 mm 3.7 inches |
| Höhe | — | 35 mm 1.4 inches |
Grafik-Features
| 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 |
