AMD Radeon R9 295X2 vs AMD Radeon R9 390
Grafikprozessor
| GPU Name | Vesuvius | Grenada |
|---|---|---|
| GPU Variante | Vesuvius XT (215-0852022) | Grenada PRO (215-0880030) |
| Architektur | GCN 2.0 | GCN 2.0 |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 28 nm |
| Transistoren | 6,200 million | 6,200 million |
| Chipgröße | 438 mm² | 438 mm² |
Grafikkarte
| Veröffentlichungsdatum | Apr 29th, 2014 | Jun 18th, 2015 |
|---|---|---|
| Generation | Volcanic Islands | Pirate Islands |
| Produktion | End-of-life | End-of-life |
| Originalpreis | 1,499 USD | 329 USD |
| Businterface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 33 in our database | 35 in our database |
| Vorgänger | Sea Islands | Volcanic Islands |
| Nachfolger | Pirate Islands | Arctic Islands |
Takt-Geschwindigkeiten
| GPU-Taktung | 1018 MHz | 1000 MHz |
|---|---|---|
| Speicher-Taktung | 1250 MHz 5 Gbps effective | 1500 MHz 6 Gbps effective |
Speicher
| Speichergröße | 4 GB | 8 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 512 bit | 512 bit |
| Bandbreite | 320.0 GB/s | 384.0 GB/s |
Render-Konfiguration
| Shading-Einheiten | 2816 | 2560 |
|---|---|---|
| TMUs | 176 | 160 |
| ROPs | 64 | 64 |
| Compute Units | 44 | 40 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 1024 KB | 1024 KB |
Theoretische Leistung
| Pixelrate | 65.15 GPixel/s | 64.00 GPixel/s |
|---|---|---|
| Texturrate | 179.2 GTexel/s | 160.0 GTexel/s |
| FP32 (float) Leistung | 5.733 TFLOPS | 5.120 TFLOPS |
| FP64 (double) Leistung | 716.7 GFLOPS (1:8) | 640.0 GFLOPS (1:8) |
Boarddesign
| Steckplatzbreite | Dual-slot | Dual-slot |
|---|---|---|
| Länge | 307 mm 12.1 inches | 275 mm 10.8 inches |
| Breite | 114 mm 4.5 inches | 109 mm 4.3 inches |
| Höhe | 42 mm 1.7 inches | 36 mm 1.4 inches |
| TDP | 500 W | 275 W |
| Vorgeschlagenes Netzteil | 900 W | 600 W |
| Ausgabe | 1x DVI4x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Stromverbindung | 3x 8-pin | 1x 6-pin + 1x 8-pin |
| Board-Nummer | C673-A7 | C679 |
Grafik-Features
| DirectX | 12 (12_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader-Modell | 6.3 | 6.3 |
