Need advice, changing my CPU

I want replace my 4340m i5 with an i7.
Can I replace this without problem?
Which I7 cpu's are compatible for my notebook?
And what is a good recommendation for my current I5 4340m?

I plan to game.
Thanks in advance.

 

First, we need more info. What laptop do you have? More than likely, no. It is a dual core you have, not a quad core. Your cooling in that laptop is likely too little to handle a quad core (although some laptops made for quad could have supported dual core). Then comes whether, if cooling is sufficient, the firmware would recognize the chip. It doesn't matter if it is the same socket if the firmware has zero support.

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His laptop is in his sig. Different CPU options were available and offered including i7s of that generation.

http://www.notebookcheck.net/Review-Clevo-W370SS-Nexoc-G728II-Barebones-Notebook.114640.0.html

 

So, here is for future reference: if you ever see the tapatalk thing for someone on their phone, they are unable to see signatures.

So, now that is known, it shipped with the 4700mq, the stock bios should be able to run a quad core.

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Ahh that's great news! But do I need to adjust a few things like voltage etc...?

I found few CPU sellers that would fit unto my motherboard like the 7 4702MQ 2,2ghz and the 4700mq. Are they worth it to upgrade from my current I5 4340m with gaming in mind?

 

Well your GPU does most of the work for gaming although nowadays lots of games utilize the CPU a lot more so it may or may not help in gaming, depending on the game. The 4702 may be a better choice over the 4700 because of its lower TDP although the 4700 is clocked a tad faster. Heat is probably going to be an issue in that laptop with a 4700. The review I linked mentioned that it reached up to 100C under stress testing with a 4700.

 

I'd go for the 4702 because it has the same TDP as your current CPU.
The differences in base clock speeds are less than 10%... in all honesty, not a ground breaking difference that would be necessarily felt.
However, if the laptop can handle the 4700 (heat wise) you could go for it as the price might be in the favor of 4700 (cheaper vs the 4702).

Alternatively, 4700 as far as I know should be undervoltable on their boost clock states... and I don't think that there's too much of a difference between the two CPU's in power consumption on-die.

You can read through this thread to give you better insight:
http://forum.notebookreview.com/threads/i7-4700mq-47-watt-vs-i7-4702mq-37-watt.721000/

 

But isnt my current CPU actually dual core? Unlike the I5 desktop variant, witch is a quad.

 

Let me ask, what are you willing to do for good temps? CLU? Also, how long do you plan to keep it? Check premamod.com or hit up Prema to see if he has a custom bios for more control. But, the review unit topped temps and may not have been optimized. If you have enough knowledge or find a better after market fan, etc., I think it may be doable. Running it hot, even though mobile is supposedly made to withstand heat better, just means heat degradation will happen quicker and potential thermal throttling. It still may boost performance, but weigh costs against the timeline. If the cost is bearable to extend the life to your next upgrade point (cpu cost divided by months until new laptop) without eating into savings for that upgrade point, then it may make sense. Do a bit more research. I don't know your experience, expectations, etc., but break down the cost analysis and include a monthly set back for a new laptop at the upgrade point. If it makes more sense not to buy the cpu and use that monthly amount the cpu costs with whatever else you can set aside to save for the upgrade to a new laptop, then don't get it. Cost analysis should come first! A $240 investment in a CPU, if you would then keep it 2 years, is $10 a month. If a year and a half, then $15 a month, if only a year, $20 per month. If you don't buy the cpu, when would you upgrade. Compare the amount per month to what you could save over the same period if you did or did not buy the CPU. Don't know if I explained that well, but hope you get the point...

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I have decided not to replace my I5 4340m with an I7 4702mq.
It may even be a downgrade for some games. And if anything, I think the 860m gonna be the bottleneck.
So I better be off with a brands new notebook.

 

Good choice, save that money and get a new notebook!!

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Yeah, usually the 860m is going to be more of the bottleneck in gaming than the processor. On my laptop with 860m, I can't think of a time it really maxed out the processor, even if I was attempting to record or stream.