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CPU Temperatures



I've got a ASUS P5Q Deluxe running a Intel quad core QX9550.
When I display the current temperature readings I get:

> sensors
coretemp-isa-0000
Core 0:      +44.0°C  (high = +74.0°C, crit = +100.0°C)
coretemp-isa-0001
Core 1:      +32.0°C  (high = +74.0°C, crit = +100.0°C)
coretemp-isa-0002
Core 2:      +37.0°C  (high = +74.0°C, crit = +100.0°C)
coretemp-isa-0003
Core 3:      +38.0°C  (high = +74.0°C, crit = +100.0°C)
(plus other stuff like which fans are running, etc.)

Is this expected behavior, that the four cores have different
temperatures by as much as 10°C?

The above temperatures were measured when I first logged in.
After doing a bunch of stuff, the temperatures become:

coretemp-isa-0000
Core 0:      +48.0°C  (high = +74.0°C, crit = +100.0°C)
coretemp-isa-0001
Core 1:      +32.0°C  (high = +74.0°C, crit = +100.0°C)
coretemp-isa-0002
Core 2:      +37.0°C  (high = +74.0°C, crit = +100.0°C)
coretemp-isa-0003
Core 3:      +42.0°C  (high = +74.0°C, crit = +100.0°C)

Again, different temperatures. Are the temperatures on
the 4 core CPU chip really that different?

Thanks, Richard


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