New Acer Aspire TimelineX 4830T not achieving maximum turbo boost speed of 2.9 ghz ?????
I have a new Acer TimelineX 4830T
When I'm running the "Intel Processor Identification Utility" it tells me my reported speed is 2.69. However, this test usually loads the processor, meaning turbo boost should kick in, and the reported number should be 2.9 ghz for the i5 2410m.
Same numbers are being reported by cpu-z.
What is going on? Is this normal? I'm losing out on 300 mhz. Thats a lot.
I have confirmed that my Acer Aspire Timelinex 4830T IS NOT BEING THROTTLED.
I downloaded Intel Turbo Boost Monitor Utility, and with the power plugged in, and windows power management set to full performance, the Intel Turbo Boost monitor shows that I am actually achieving turbo boost speeds!
Make sure you are running plugged in and you adjust the windows power management options and change the minimum processor state to 100% to see what this AWESOME LAPTOP CAN DO!!!!!!!!!!!!!!!!!!!!!
Re: New Acer Aspire TimelineX 4830T not achieving maximum turbo boost speed of 2.9 ghz ?????
This is not a problem or hardware defect. "Intel Processor Identification Utility" actually reporting current processor speed when the utility probe the CPU. i5-2410M clock speed is 2.3 GHz & Turbo Boost 2.9 GHz. It doesn't actually means it will Turbo Boost from 2.3 GHz straight to 2.9 GHz. For example i7-740QM have Turbo ratio 1/1/6/9:-
first number is the multiple of 133.33 MHz supported when four cores are active, the second number is the multiple for three cores, the third number is for two cores, and the fourth number is for one active core.
Normal operating frequency is 1.73 GHz = 1730 MHz
With 3 or 4 cores active: to 1.863 GHz —————> 1730 + 1 x 133.33 = 1730 + 133.33 ≃ 1863.33
With 2 cores active: to 2.529 GHz ———————> 1730 + 6 x 133.33 = 1730 + 799.98 ≃ 2529.98
With only 1 core active: to 2.929 GHz —————–> 1730 + 9 x 133.33 = 1730 + 1199.97 ≃ 2929.97
i5-2410M have Turbo ratio/steps 1/1/3/6 (sandy bridge: multiple with 100 MHz):-
first number is the multiple of 100 MHz supported when four cores are active, the second number is the multiple for three cores, the third number is for two cores, and the fourth number is for one active core.
Normal operating frequency is 2.3 GHz = 2300 Mhz
With 3 or 4 cores active: to 2.4 GHz —————> 2300 + 1 x 100 = 2300 + 100 ≃ 2400
With 2 cores active: to 2.6 GHz ———————> 2300 + 3 x 100 = 2300 + 300 ≃ 2600
With only 1 core active: to 2.9 GHz —————–> 2300 + 6 x 100 = 2300 + 600 ≃ 2900
Last edited by kizwan; 23rd July 2011 at 01:20 PM.
TechTarget provides enterprise IT professionals with the information they need to perform their jobs - from developing strategy, to making cost-effective IT purchase decisions and managing their organizations' IT projects - with its network of technology-specific Web sites, events and magazines.