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i5-430UM question??

matrix563 said:
can it turbo boost both cores?
Click to expand...

Yes the Core i5-430UM can turbo boost both cores. I couldn't find this model in the Intel spec sheet that usually shows all the details so I looked in the Wiki entry for the Core i5.

http://en.wikipedia.org/wiki/List_of_Intel_Core_i5_microprocessors

The default multiplier for these CPUs is 9. When 1 core is in the active state and the second core is in the C3/C6 sleep state, the maximum turbo boost is an increase of 4 in the multiplier up to a total of 13. When both cores are in the active state, the maximum multiplier can increase to 2 more than the default multiplier for a total of 11.

9 x 133 = 1200 MHz
11 x 133 = 1463 MHz
13 x 133 = 1729 MHz

The reality is that threads and cores are constantly, hundreds of times a second entering and exiting the awake and sleep state so the multiplier will be constantly varying. Use a program like ThrottleStop and it will show you exactly what each of your threads are up to. Here is the most recent version.

ThrottleStop 2.89
http://www.fileden.com/files/2008/3/3/1794507/ThrottleStop.zip
http://www.mediafire.com/?ddm0gqen8iclz7q

I just got finished today working on a new feature for the UM processors. Over at the Notebook Review forums users of Alienware M11x laptops have reported full load CPU performance gains of 50% in their Core i5 and Core i7 dual core UM CPUs. If you would like to know more head there:

http://forum.notebookreview.com/ali...w-supercharge-m11x-core-i5-i7-um-cpus-30.html

I'm not sure if you are interested in power savings or performance. If you want more performance from your little UM processor then you need to check out that thread.
 
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