Low voltage or normal cpu? (I7-4500u, i5-520m)

pippokeraki

Honorable
Dec 16, 2013
36
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10,530
Hi all

I own a Dell Studio equipped with an i5-520M CPU that I bought 3 years ago.
I am now looking for a new laptop and found out that Dell is currently using only low voltage CPUs. Experience with Dell was good and I am tempted to stay with this brand, but I am not sure about the low voltage CPU: it would be a 17" laptop with I7-4500u that I would use as multimedia station, some photoshopping, some flight simulation and marginally other gaming.

How do low voltage CPUs compare to normal ones? And I7-4500U vs my old i5-520M, is it worth upgrading?

Thanks!!