|I have a E8400 processor running on a Gigabyte EP45-UD3P motherboard. The processor is "rated for 3.0GHz" but seems to default to 2.66 out of the box. I though I would check my computer's performance with it running at the rated 3.0GHz. However, the temperature increase at this speed didn't justify the marginal performance boost.|
I've since decided to run the processor at 2.83GHz. I've adjusted (in the BIOS) the multiplier to be 8.5x (8.5 multiplier * 333.3 bus = 2.83GHz). Also, the
The BIOS setup currently shows the processor running at 2.83GHz (As expected). However, Windows Vista (in the System control panel applet) shows it running at 2.66GHz. Using CPU-Z, I see that under load, the processor is running at 2.83GHz with a 8.5 multiplier, but during rest, the multiplier drops as low as 6.0x (due to the processor throttling function enabled in the BIOS).
Why does Vista report a different processor speed than is actually set?
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