AMD Radeon HD 7550M vs NVIDIA GeForce GT 425M
Grafikprozessor
| GPU Name | Thames | GF108 |
|---|---|---|
| GPU Variante | Thames LP | N11P-GS-A1 |
| Architektur | TeraScale 2 | Fermi |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 40 nm | 40 nm |
| Transistoren | 716 million | 585 million |
| Chipgröße | 104 mm² | 116 mm² |
Mobile Grafik
| Veröffentlichungsdatum | Jan 7th, 2012 | Sep 3rd, 2010 |
|---|---|---|
| Generation | London (HD 7500M) | GeForce 400M |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Vorgänger | Vancouver | GeForce 300M |
| Nachfolger | Solar System | GeForce 500M |
Takt-Geschwindigkeiten
| Basis-Taktfrequenz | 450 MHz | — |
|---|---|---|
| Boost-Takt | 550 MHz | — |
| Speicher-Taktung | 900 MHz 1800 Mbps effective | 800 MHz 1600 Mbps effective |
| GPU-Taktung | — | 560 MHz |
| Shader-Taktung | — | 1120 MHz |
Speicher
| Speichergröße | 1024 MB | 1024 MB |
|---|---|---|
| Speichertyp | DDR3 | DDR3 |
| Speicherbus | 64 bit | 128 bit |
| Bandbreite | 14.40 GB/s | 25.60 GB/s |
Render-Konfiguration
| Shading-Einheiten | 400 | 96 |
|---|---|---|
| TMUs | 20 | 16 |
| ROPs | 8 | 4 |
| Compute Units | 5 | — |
| Anzahl SM | — | 2 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 256 KB |
Theoretische Leistung
| Pixelrate | 4.400 GPixel/s | 2.240 GPixel/s |
|---|---|---|
| Texturrate | 11.00 GTexel/s | 8.960 GTexel/s |
| FP32 (float) Leistung | 440.0 GFLOPS | 215.0 GFLOPS |
| FP64 (double) Leistung | — | 17.92 GFLOPS (1:12) |
Boarddesign
| TDP | 14 W | 23 W |
|---|---|---|
| Ausgabe | No outputs | No outputs |
Grafik-Features
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader-Modell | 5.0 | 5.1 |
| CUDA | — | 2.1 |
