AMD Radeon HD 7770 GHz Edition vs ATI Radeon HD 5870
Grafikprozessor
| GPU Name | Cape Verde | Cypress |
|---|---|---|
| GPU Variante | Cape Verde XT | Cypress XT (215-0735033) |
| Architektur | GCN 1.0 | TeraScale 2 |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 40 nm |
| Transistoren | 1,500 million | 2,154 million |
| Chipgröße | 123 mm² | 334 mm² |
Grafikkarte
| Veröffentlichungsdatum | Feb 15th, 2012 | Sep 23rd, 2009 |
|---|---|---|
| Generation | Southern Islands | Evergreen |
| Produktion | End-of-life | End-of-life |
| Originalpreis | 159 USD | 399 USD |
| Businterface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Reviews | 97 in our database | 171 in our database |
| Vorgänger | Northern Islands | Radeon R700 |
| Nachfolger | Sea Islands | Northern Islands |
Takt-Geschwindigkeiten
| GPU-Taktung | 1000 MHz | 850 MHz |
|---|---|---|
| Speicher-Taktung | 1125 MHz 4.5 Gbps effective | 1200 MHz 4.8 Gbps effective |
Speicher
| Speichergröße | 1024 MB | 1024 MB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 128 bit | 256 bit |
| Bandbreite | 72.00 GB/s | 153.6 GB/s |
Render-Konfiguration
| Shading-Einheiten | 640 | 1600 |
|---|---|---|
| TMUs | 40 | 80 |
| ROPs | 16 | 32 |
| Compute Units | 10 | 20 |
| Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 256 KB | 512 KB |
Theoretische Leistung
| Pixelrate | 16.00 GPixel/s | 27.20 GPixel/s |
|---|---|---|
| Texturrate | 40.00 GTexel/s | 68.00 GTexel/s |
| FP32 (float) Leistung | 1,280 GFLOPS | 2.720 TFLOPS |
| FP64 (double) Leistung | 80.00 GFLOPS (1:16) | 544.0 GFLOPS (1:5) |
Boarddesign
| Steckplatzbreite | Dual-slot | Dual-slot |
|---|---|---|
| Länge | 210 mm 8.3 inches | 280 mm 11 inches |
| TDP | 80 W | 188 W |
| Vorgeschlagenes Netzteil | 250 W | 450 W |
| Ausgabe | 1x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Stromverbindung | 1x 6-pin | 2x 6-pin |
| Board-Nummer | C441, C468 | C001-37 |
| Breite | — | 111 mm 4.4 inches |
| Höhe | — | 37 mm 1.5 inches |
Grafik-Features
| DirectX | 12 (11_1) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | — |
| Shader-Modell | 5.1 | 5.0 |
