cpu frequency problem
soulblade at ntlworld.com
Thu May 22 21:48:44 UTC 2008
Victor Sterpu wrote:
> I use Ubuntu 8
> I have a acer travelmate 5720 dual core 2.2Gh Intel.
> When I do cat /proc/cpuinfo I se this:
> model name : Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz
> stepping : 11
> cpu MHz : 800.000
> I did a test with lmbench and the cpu frequency is reported as
> [MHZ: 2378 MHz, 0.4205 nanosec clock]
> What is the correct frequency?
> Why this 2 values do not fit?
> Thank you.
When I do cat /proc/cpuinfo the following is displayed.
model name : Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz
stepping : 11
cpu MHz : 1600.000
This is because 2400Mhz is load speed and 1600Mhz is idle to save power
and reduce heat. You can turn off this feature in a lot of motherboards,
but there is no benefit from doing so.
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