NoOb121 :
buddy can u let me know how much can i overclock these cpu's please. I mean from 2.6 Ghz till??
Overclocking a laptop CPU isn't a good idea, and most of the time it's just not practical. I couldn't tell you any exact numbers, you'll have to google that and see, but it's just better that you don't. Overclocking on a desktop CPU is much easier because for a lot of desktop CPUs, the multiplier is unlocked, so all you have to do is play with the multiplier and the voltages. For a laptop CPU, it's much different. The multiplier is locked, and even if you can manipulate the BCLK, you have to underclock the north bridge, HT Link, and RAM to compensate, and even then you're not guaranteed stability. Even though there's some software which might be able to help you do this, it's never as efficient as manipulating the BIOS itself. Most importantly, overclocking takes a
huge toll on heat generation and power consumption. Since laptops are stuck with a stock cooling fan, they'll heat up very quickly when overclocked (which won't be fun for your hands) and the draw from your battery's limited power supply will shorten its life span considerably. Overall, it's not worth it trying to overclock, but if you're really serious about it, try to search for overclocking results.
Also, just for clarification purposes in case you think otherwise, even though the i7-4700MQ is a 2.4 GHz CPU while the i5-4200M is a 2.5 GHz CPU, the i7-4700MQ is a
far more powerful CPU, so if you can afford that, get that instead. Clock speed really doesn't matter that much in comparison to core count and architecture, and the i7-4700MQ is a lot more capable than the i5-4200M.
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