AMD Radeon HD 7870 GHz Edition vs Intel HD Graphics 4000
Grafikprozessor
| GPU Name | Pitcairn | Ivy Bridge GT2 |
|---|---|---|
| GPU Variante | Pitcairn XT (215-0828047) | — |
| Architektur | GCN 1.0 | Generation 7.0 |
| Hersteller | TSMC | Intel |
| Prozessgröße | 28 nm | 22 nm |
| Transistoren | 2,800 million | 1,200 million |
| Chipgröße | 212 mm² | 133 mm² |
Grafikkarte
| Veröffentlichungsdatum | Mar 5th, 2012 | — |
|---|---|---|
| Generation | Southern Islands | — |
| Produktion | End-of-life | — |
| Originalpreis | 349 USD | — |
| Businterface | PCIe 3.0 x16 | — |
| Reviews | 95 in our database | — |
| Vorgänger | Northern Islands | — |
| Nachfolger | Sea Islands | — |
Takt-Geschwindigkeiten
| GPU-Taktung | 1000 MHz | — |
|---|---|---|
| Speicher-Taktung | 1200 MHz 4.8 Gbps effective | System Shared |
| Basis-Taktfrequenz | — | 650 MHz |
| Boost-Takt | — | 1050 MHz |
Speicher
| Speichergröße | 2 GB | System Shared |
|---|---|---|
| Speichertyp | GDDR5 | System Shared |
| Speicherbus | 256 bit | System Shared |
| Bandbreite | 153.6 GB/s | System Dependent |
Render-Konfiguration
| Shading-Einheiten | 1280 | 128 |
|---|---|---|
| TMUs | 80 | 16 |
| ROPs | 32 | 2 |
| Compute Units | 20 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Execution Units | — | 16 |
Theoretische Leistung
| Pixelrate | 32.00 GPixel/s | 2.100 GPixel/s |
|---|---|---|
| Texturrate | 80.00 GTexel/s | 16.80 GTexel/s |
| FP32 (float) Leistung | 2.560 TFLOPS | 268.8 GFLOPS |
| FP64 (double) Leistung | 160.0 GFLOPS (1:16) | 67.20 GFLOPS (1:4) |
Boarddesign
| Steckplatzbreite | Dual-slot | IGP |
|---|---|---|
| Länge | 241 mm 9.5 inches | — |
| TDP | 175 W | unknown |
| Vorgeschlagenes Netzteil | 450 W | — |
| Ausgabe | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Stromverbindung | 2x 6-pin | — |
| Board-Nummer | C401-47 | — |
Grafik-Features
| DirectX | 12 (11_1) | 11.1 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.0 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | 1.0 |
| Shader-Modell | 5.1 | 5.0 |
ANDERE EIGENSCHAFTEN
Integrierter Grafikprozessor
| Veröffentlichungsdatum | — | May 14th, 2012 |
|---|---|---|
| Generation | — | HD Graphics (Ivy Bridge) |
| Produktion | — | End-of-life |
| Businterface | — | Ring Bus |
| Reviews | — | 1 in our database |
