AMD Radeon HD 8950 OEM vs ATI Radeon HD 5870
Grafikprozessor
| GPU Name | Tahiti | Cypress |
|---|---|---|
| GPU Variante | Tahiti PRO (215-0821056) | Cypress XT (215-0735033) |
| Architektur | GCN 1.0 | TeraScale 2 |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 40 nm |
| Transistoren | 4,313 million | 2,154 million |
| Chipgröße | 352 mm² | 334 mm² |
Grafikkarte
| Veröffentlichungsdatum | Jan 8th, 2013 | Sep 23rd, 2009 |
|---|---|---|
| Generation | Sea Islands | Evergreen |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Vorgänger | Southern Islands | Radeon R700 |
| Nachfolger | Volcanic Islands | Northern Islands |
| Originalpreis | — | 399 USD |
| Reviews | — | 171 in our database |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 850 MHz | — |
|---|---|---|
| Boost-Takt | 925 MHz | — |
| Speicher-Taktung | 1250 MHz 5 Gbps effective | 1200 MHz 4.8 Gbps effective |
| GPU-Taktung | — | 850 MHz |
Speicher
| Speichergröße | 3 GB | 1024 MB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 384 bit | 256 bit |
| Bandbreite | 240.0 GB/s | 153.6 GB/s |
Render-Konfiguration
| Shading-Einheiten | 1792 | 1600 |
|---|---|---|
| TMUs | 112 | 80 |
| ROPs | 32 | 32 |
| Compute Units | 28 | 20 |
| Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 768 KB | 512 KB |
Theoretische Leistung
| Pixelrate | 29.60 GPixel/s | 27.20 GPixel/s |
|---|---|---|
| Texturrate | 103.6 GTexel/s | 68.00 GTexel/s |
| FP32 (float) Leistung | 3.315 TFLOPS | 2.720 TFLOPS |
| FP64 (double) Leistung | 828.8 GFLOPS (1:4) | 544.0 GFLOPS (1:5) |
Boarddesign
| Steckplatzbreite | Dual-slot | Dual-slot |
|---|---|---|
| Länge | 267 mm 10.5 inches | 280 mm 11 inches |
| TDP | 200 W | 188 W |
| Vorgeschlagenes Netzteil | 550 W | 450 W |
| Ausgabe | 1x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Stromverbindung | 2x 6-pin | 2x 6-pin |
| Board-Nummer | C386-42 | 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 |
