Processor speed is specified as the nominal operational processor frequency for the device. Some processors have power management which allows the processor to run at lower rate to save power.
Windows Aero requires:
DirectX 9 class graphics processor that:
Supports a WDDM Driver.
Supports Pixel Shader 2.0 in hardware.
Supports 32 bits per pixel.
Adequate graphics memory.
64 MB of graphics memory to support a single monitor less than 1,310,720 pixels
128 MB of graphics memory to support a single monitor at resolutions from 1,310,720 to 2,304,000 pixels
256 MB of graphics memory to support a single monitor at resolutions higher than 2,304,000 pixels
Meets graphics memory bandwidth requirements, as assessed by Windows Vista Upgrade Advisor running on Windows XP
A DVD-ROM may be external (not integral, not built into the system).
Windows Aero requires:
DirectX 9 class graphics processor that:
Supports a WDDM Driver.
Supports Pixel Shader 2.0 in hardware.
Supports 32 bits per pixel.
Adequate graphics memory.
64 MB of graphics memory to support a single monitor less than 1,310,720 pixels
128 MB of graphics memory to support a single monitor at resolutions from 1,310,720 to 2,304,000 pixels
256 MB of graphics memory to support a single monitor at resolutions higher than 2,304,000 pixels
Meets graphics memory bandwidth requirements, as assessed by Windows Vista Upgrade Advisor running on Windows XP
A DVD-ROM may be external (not integral, not built into the system).
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