AMD Radeon HD 6950 vs AMD Radeon RX 550
Grafikprozessor
| GPU Name | Cayman | Lexa |
|---|---|---|
| GPU Variante | Cayman PRO (215-0807019) | Lexa PRO (215-0904018) |
| Architektur | TeraScale 3 | GCN 4.0 |
| Hersteller | TSMC | GlobalFoundries |
| Prozessgröße | 40 nm | 14 nm |
| Transistoren | 2,640 million | 2,200 million |
| Chipgröße | 389 mm² | 103 mm² |
Grafikkarte
| Veröffentlichungsdatum | Dec 14th, 2010 | Apr 20th, 2017 |
|---|---|---|
| Generation | Northern Islands | Polaris |
| Produktion | End-of-life | End-of-life |
| Originalpreis | 299 USD | 79 USD |
| Businterface | PCIe 2.0 x16 | PCIe 3.0 x8 |
| Reviews | 111 in our database | — |
| Vorgänger | Evergreen | Arctic Islands |
| Nachfolger | Southern Islands | Vega |
Takt-Geschwindigkeiten
| GPU-Taktung | 800 MHz | — |
|---|---|---|
| Speicher-Taktung | 1250 MHz 5 Gbps effective | 1750 MHz 7 Gbps effective |
| Basis-Taktfrequenz | — | 1100 MHz |
| Boost-Takt | — | 1183 MHz |
Speicher
| Speichergröße | 2 GB | 2 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 256 bit | 128 bit |
| Bandbreite | 160.0 GB/s | 112.0 GB/s |
Render-Konfiguration
| Shading-Einheiten | 1408 | 512 |
|---|---|---|
| TMUs | 88 | 32 |
| ROPs | 32 | 16 |
| Compute Units | 22 | 8 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 512 KB |
Theoretische Leistung
| Pixelrate | 25.60 GPixel/s | 18.93 GPixel/s |
|---|---|---|
| Texturrate | 70.40 GTexel/s | 37.86 GTexel/s |
| FP32 (float) Leistung | 2.253 TFLOPS | 1,211 GFLOPS |
| FP64 (double) Leistung | 563.2 GFLOPS (1:4) | 75.71 GFLOPS (1:16) |
| FP16 (half) Leistung | — | 1,211 GFLOPS (1:1) |
Boarddesign
| Steckplatzbreite | Dual-slot | Dual-slot |
|---|---|---|
| Länge | 286 mm 11.3 inches | 145 mm 5.7 inches |
| Breite | 126 mm 5 inches | — |
| Höhe | 42 mm 1.7 inches | — |
| TDP | 200 W | 50 W |
| Vorgeschlagenes Netzteil | 550 W | 250 W |
| Ausgabe | 2x DVI1x HDMI2x mini-DisplayPort | 1x DVI1x HDMI1x DisplayPort |
| Stromverbindung | 2x 6-pin | None |
| Board-Nummer | C216-47 | D090-01 |
Grafik-Features
| DirectX | 11.2 (11_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | — | 1.2 |
| Shader-Modell | 5.0 | 6.4 |
