AMD Radeon HD 6490M vs ATI Mobility Radeon HD 3850 X2
Grafikprozessor
| GPU Name | Seymour | M88 |
|---|---|---|
| GPU Variante | Seymour XTX (216-0810005) | — |
| Architektur | TeraScale 2 | TeraScale |
| Hersteller | TSMC | TSMC |
| Prozessgröße | 40 nm | 55 nm |
| Transistoren | 370 million | 666 million |
| Chipgröße | 67 mm² | 192 mm² |
Mobile Grafik
| Veröffentlichungsdatum | Jan 4th, 2011 | Jun 4th, 2008 |
|---|---|---|
| Generation | Vancouver (HD 6400M) | M8x (Mobility HD 3800) |
| Produktion | End-of-life | End-of-life |
| Businterface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Vorgänger | Manhattan | M7x |
| Nachfolger | London | M9x |
| Reviews | — | 2 in our database |
Takt-Geschwindigkeiten
| GPU-Taktung | 800 MHz | 580 MHz |
|---|---|---|
| Speicher-Taktung | 800 MHz 3.2 Gbps effective | 750 MHz 1500 Mbps effective |
Speicher
| Speichergröße | 512 MB | 512 MB |
|---|---|---|
| Speichertyp | GDDR5 | GDDR3 |
| Speicherbus | 64 bit | 256 bit |
| Bandbreite | 25.60 GB/s | 48.00 GB/s |
Render-Konfiguration
| Shading-Einheiten | 160 | 320 |
|---|---|---|
| TMUs | 8 | 16 |
| ROPs | 4 | 16 |
| Compute Units | 2 | 4 |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | 256 KB |
Theoretische Leistung
| Pixelrate | 3.200 GPixel/s | 9.280 GPixel/s |
|---|---|---|
| Texturrate | 6.400 GTexel/s | 9.280 GTexel/s |
| FP32 (float) Leistung | 256.0 GFLOPS | 371.2 GFLOPS |
| FP64 (double) Leistung | — | 74.24 GFLOPS (1:5) |
Boarddesign
| TDP | unknown | 70 W |
|---|---|---|
| Ausgabe | No outputs | No outputs |
Grafik-Features
| DirectX | 11.2 (11_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader-Modell | 5.0 | 4.1 |
