AMD Radeon HD 6630M Mac Edition vs NVIDIA GeForce GT 640M LE
Grafikprozessor
| GPU Name | Whistler | GF108 |
|---|---|---|
| GPU Variante | Whistler LP | — |
| 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 4th, 2011 | May 4th, 2012 |
|---|---|---|
| Generation | Vancouver (HD 6600M) | GeForce 600M |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Vorgänger | Manhattan | GeForce 500M |
| Nachfolger | London | GeForce 700M |
| Reviews | — | 2 in our database |
Takt-Geschwindigkeiten
| GPU-Taktung | 500 MHz | 753 MHz |
|---|---|---|
| Speicher-Taktung | 600 MHz 2.4 Gbps effective | 785 MHz 3.1 Gbps effective |
| Shader-Taktung | — | 1505 MHz |
Speicher
| Speichergröße | 256 MB | 2 GB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR5 |
| Speicherbus | 64 bit | 128 bit |
| Bandbreite | 19.20 GB/s | 50.24 GB/s |
Render-Konfiguration
| Shading-Einheiten | 480 | 96 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 8 | 4 |
| Compute Units | 6 | — |
| Anzahl SM | — | 2 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 256 KB |
Theoretische Leistung
| Pixelrate | 4.000 GPixel/s | 3.012 GPixel/s |
|---|---|---|
| Texturrate | 12.00 GTexel/s | 12.05 GTexel/s |
| FP32 (float) Leistung | 480.0 GFLOPS | 289.0 GFLOPS |
| FP64 (double) Leistung | — | 24.08 GFLOPS (1:12) |
Boarddesign
| TDP | 26 W | 32 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 |
