AMD Radeon HD 6850 X2 vs AMD Radeon HD 6950
Grafikprozessor
| GPU Name | Barts | Cayman |
|---|---|---|
| GPU Variante | Barts PRO (215-0798006) | Cayman PRO (215-0807019) |
| Architektur | TeraScale 2 | TeraScale 3 |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 40 nm | 40 nm |
| Transistoren | 1,700 million | 2,640 million |
| Chipgröße | 255 mm² | 389 mm² |
Grafikkarte
| Veröffentlichungsdatum | Sep 19th, 2011 | Dec 14th, 2010 |
|---|---|---|
| Generation | Northern Islands | Northern Islands |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 105 in our database | 111 in our database |
| Vorgänger | Evergreen | Evergreen |
| Nachfolger | Southern Islands | Southern Islands |
| Originalpreis | — | 299 USD |
Takt-Geschwindigkeiten
| GPU-Taktung | 800 MHz | 800 MHz |
|---|---|---|
| Speicher-Taktung | 1050 MHz 4.2 Gbps effective | 1250 MHz 5 Gbps effective |
Speicher
| Speichergröße | 2 GB | 2 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 256 bit | 256 bit |
| Bandbreite | 134.4 GB/s | 160.0 GB/s |
Render-Konfiguration
| Shading-Einheiten | 960 | 1408 |
|---|---|---|
| TMUs | 48 | 88 |
| ROPs | 32 | 32 |
| Compute Units | 12 | 22 |
| Cache L1 | 8 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 512 KB | 512 KB |
Theoretische Leistung
| Pixelrate | 25.60 GPixel/s | 25.60 GPixel/s |
|---|---|---|
| Texturrate | 38.40 GTexel/s | 70.40 GTexel/s |
| FP32 (float) Leistung | 1.536 TFLOPS | 2.253 TFLOPS |
| FP64 (double) Leistung | — | 563.2 GFLOPS (1:4) |
Boarddesign
| Steckplatzbreite | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 254 W | 200 W |
| Vorgeschlagenes Netzteil | 600 W | 550 W |
| Ausgabe | 2x DVI1x HDMI1x DisplayPort | 2x DVI1x HDMI2x mini-DisplayPort |
| Stromverbindung | 2x 8-pin | 2x 6-pin |
| Länge | — | 286 mm 11.3 inches |
| Breite | — | 126 mm 5 inches |
| Höhe | — | 42 mm 1.7 inches |
| Board-Nummer | — | C216-47 |
Grafik-Features
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | — | — |
| Shader-Modell | 5.0 | 5.0 |
