Hi,
I tune up i7-920 2.66GHz on Asus P6T SE motherboard running at 4.2GHz,
CPUZ shows 4.2GHz (cpu voltage = 1.3v), DDR3-1600, etc. on Win7.
After disabling SpeedStep, C1E, CPU TM function, Execute Disable bit,
I am able to get the boost on CPUmark if test 64 threads,
(more threads have higher CPUmark score).
Here are my questions :
Q1. why PT gets different score at each time I run it ?
score could vary by 10%, but SiSoft Sandra 2009 lite always the same stable score ?
Q2. why I got CPU test items mostly +33% from overclocking
but very low score (-60%) at CPU - Integer Math and Find Prime Number ?
(baseline machine is i7-920 on P6T Deluxe at 2.66GHz)
Q3. why the baseline machine has low score on P6T SE than P6T Deluxe using same i7-920 at 2.66GHz ? (this seems due to CPU setting of disabling C1E, CPU TM, Execute disable bit !)
Your answer will be very appreciated !
Best Regards,
Richard
I tune up i7-920 2.66GHz on Asus P6T SE motherboard running at 4.2GHz,
CPUZ shows 4.2GHz (cpu voltage = 1.3v), DDR3-1600, etc. on Win7.
After disabling SpeedStep, C1E, CPU TM function, Execute Disable bit,
I am able to get the boost on CPUmark if test 64 threads,
(more threads have higher CPUmark score).
Here are my questions :
Q1. why PT gets different score at each time I run it ?
score could vary by 10%, but SiSoft Sandra 2009 lite always the same stable score ?
Q2. why I got CPU test items mostly +33% from overclocking
but very low score (-60%) at CPU - Integer Math and Find Prime Number ?
(baseline machine is i7-920 on P6T Deluxe at 2.66GHz)
Q3. why the baseline machine has low score on P6T SE than P6T Deluxe using same i7-920 at 2.66GHz ? (this seems due to CPU setting of disabling C1E, CPU TM, Execute disable bit !)
Your answer will be very appreciated !
Best Regards,
Richard
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