AMD Radeon HD 7970 GHz Edition vs AMD Radeon R9 380X
Grafikprozessor
| GPU Name | Tahiti | Antigua |
|---|---|---|
| GPU Variante | Tahiti XT2 (215-0821065) | Antigua XT (215-0877016) |
| Architektur | GCN 1.0 | GCN 3.0 |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 28 nm |
| Transistoren | 4,313 million | 5,000 million |
| Chipgröße | 352 mm² | 366 mm² |
Grafikkarte
| Veröffentlichungsdatum | Jun 22nd, 2012 | Nov 19th, 2015 |
|---|---|---|
| Generation | Southern Islands | Pirate Islands |
| Produktion | End-of-life | End-of-life |
| Originalpreis | 499 USD | 229 USD |
| Businterface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 191 in our database | 36 in our database |
| Vorgänger | Northern Islands | Volcanic Islands |
| Nachfolger | Sea Islands | Arctic Islands |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 1000 MHz | — |
|---|---|---|
| Boost-Takt | 1050 MHz | — |
| Speicher-Taktung | 1500 MHz 6 Gbps effective | 1425 MHz 5.7 Gbps effective |
| GPU-Taktung | — | 970 MHz |
Speicher
| Speichergröße | 3 GB | 4 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 384 bit | 256 bit |
| Bandbreite | 288.0 GB/s | 182.4 GB/s |
Render-Konfiguration
| Shading-Einheiten | 2048 | 2048 |
|---|---|---|
| TMUs | 128 | 128 |
| ROPs | 32 | 32 |
| Compute Units | 32 | 32 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 768 KB | 512 KB |
Theoretische Leistung
| Pixelrate | 33.60 GPixel/s | 31.04 GPixel/s |
|---|---|---|
| Texturrate | 134.4 GTexel/s | 124.2 GTexel/s |
| FP32 (float) Leistung | 4.301 TFLOPS | 3.973 TFLOPS |
| FP64 (double) Leistung | 1,075 GFLOPS (1:4) | 248.3 GFLOPS (1:16) |
| FP16 (half) Leistung | — | 3.973 TFLOPS (1:1) |
Boarddesign
| Steckplatzbreite | Dual-slot | Dual-slot |
|---|---|---|
| Länge | 275 mm 10.8 inches | 221 mm 8.7 inches |
| Breite | 111 mm 4.4 inches | 111 mm 4.4 inches |
| Höhe | 38 mm 1.5 inches | — |
| TDP | 300 W | 190 W |
| Vorgeschlagenes Netzteil | 700 W | 450 W |
| Ausgabe | 1x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Stromverbindung | 1x 6-pin + 1x 8-pin | 2x 6-pin |
| Board-Nummer | C386-37 | C766, C784 |
Grafik-Features
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader-Modell | 5.1 | 6.3 |
