overclocked I7-920xm vs i5-3570k or 4670k

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cooldex

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Aug 1, 2012
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i was thinking upgrade my cpu for my laptop (M6500) or get a desktop with an i5 the cpu cost will be the same around 230$ but the desktop i have to get ram/motherboard/screen or use hdmi to expresscard dongle and a gpu the gpu i have is the HD 5870m same as HD 5770 soi have get a 7870 or better to see good preormance increase so which idea is better mobile i7 vs i5 desktop (cost more)
 
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fatboyslimerr
Hi cooldex. Obviously a new Haswell i5 will give far better performance then a first generation mobile core i7 but as you rightly stated, you'd have to build an entire PC to accommodate it. I have an i7 940xm which I run very stable and cool in my Alienware M15x, overclocked to 3.1Ghz using throttlestop. Using the Passmark CPU Mark benchmark programme I can get a CPU score of 6145 which is equivalent to a desktop i5 3350P or AMD FX-6100. The stock score is around 3900, so overclocking this CPU does give significant gains.

Depends what you need the CPU for and whether or not you have the budget to build a new PC. Hope this helps
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fatboyslimerr

fatboyslimerr

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Aug 8, 2013
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Hi cooldex. Obviously a new Haswell i5 will give far better performance then a first generation mobile core i7 but as you rightly stated, you'd have to build an entire PC to accommodate it. I have an i7 940xm which I run very stable and cool in my Alienware M15x, overclocked to 3.1Ghz using throttlestop. Using the Passmark CPU Mark benchmark programme I can get a CPU score of 6145 which is equivalent to a desktop i5 3350P or AMD FX-6100. The stock score is around 3900, so overclocking this CPU does give significant gains.

Depends what you need the CPU for and whether or not you have the budget to build a new PC. Hope this helps
 
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cooldex

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thanks well i be using it for autodesk inventor/3dsmax/VM/developing/rendering/multitasking and gaming so thats the stuff i be doing and so times i think the i5 i have now is bottlenecking the gpu but the m6500 has good cooling with lots of air circulation in it only thing i be worried about is battery life
 
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fatboyslimerr

fatboyslimerr

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Aug 8, 2013
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Battery life will be an issue if you upgrade to an i7 920xm, especially if you run overclocks. The TDP is 55w but I have mine set to 100W at 3.1Ghz overclock. The hyper threading and 3Ghz+ core speed of i7 should help in the tasks you mentioned.
 
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