AMD Radeon HD 7850M vs ATI Mobility Radeon HD 5770
Grafikprozessor
| GPU Name | Heathrow | Madison |
|---|---|---|
| GPU Variante | Heathrow PRO | Madison XT (216-0772003) |
| Architektur | GCN 1.0 | TeraScale 2 |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 28 nm | 40 nm |
| Transistoren | 1,500 million | 627 million |
| Chipgröße | 123 mm² | 104 mm² |
Mobile Grafik
| Veröffentlichungsdatum | Apr 24th, 2012 | Jan 7th, 2010 |
|---|---|---|
| Generation | London (HD 7800M) | Manhattan (Mobility HD 5700) |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Vorgänger | Vancouver | M9x |
| Nachfolger | Solar System | Vancouver |
| Reviews | — | 2 in our database |
Takt-Geschwindigkeiten
| GPU-Taktung | 675 MHz | 650 MHz |
|---|---|---|
| Speicher-Taktung | 1000 MHz 4 Gbps effective | 800 MHz 3.2 Gbps effective |
Speicher
| Speichergröße | 2 GB | 1024 MB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 128 bit | 128 bit |
| Bandbreite | 64.00 GB/s | 51.20 GB/s |
Render-Konfiguration
| Shading-Einheiten | 640 | 400 |
|---|---|---|
| TMUs | 40 | 20 |
| ROPs | 16 | 8 |
| Compute Units | 10 | 5 |
| Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 256 KB | 256 KB |
Theoretische Leistung
| Pixelrate | 10.80 GPixel/s | 5.200 GPixel/s |
|---|---|---|
| Texturrate | 27.00 GTexel/s | 13.00 GTexel/s |
| FP32 (float) Leistung | 864.0 GFLOPS | 520.0 GFLOPS |
| FP64 (double) Leistung | 54.00 GFLOPS (1:16) | — |
Boarddesign
| TDP | 40 W | 30 W |
|---|---|---|
| Ausgabe | No outputs | No outputs |
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 |
