i7 7700K 3.6Ghz vs 4.2Ghz, Is it worth paying the extra $40?

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Mkootie

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Oct 31, 2016
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Hello, I am interested in getting the new Intel i7 7700K, but I want to know if it is worth paying the extra $40 for the extra 600Mhz, I can overclock the CPU myself comfortably, but how much of a difference will it make? Or am I better off getting the Intel i7 7700K @ 3.6Ghz and getting better ram? There is no worry of not enough power from my Psu, and my Cpu Cooler can handle it.
Thank You
 
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uguv
Actually I think he's trying to decide between an i7-7700 and an i7-7700K. The i7-6700K has a base clock of 4ghz. The i7-7700 has a base clock of 3.6ghz and the i7-7700K has a base clock of 4.2ghz. These match the numbers he's mentioning.

Besides the 600ghz base clock speed, the i7-7700K is overclockable. The i7-7700 is not, unless some motherboard manufacturers allow BLCK overclocking with Kaby Lake, but I doubt it.

It's up to the OP whether he thinks it's worth the price difference. Other considerations are that the i7-7700 can run on a less expensive motherboard and can run on a stock cooler, so it may actually be $100-$150 more expensive overall to go with the K model.
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greens

greens

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Jan 27, 2012
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Absolutely not. A 6700K that is clocked up to 4.2GHz performs IDENTICALLY to a 7700k.
There is absolutely NO benefit to kaby lake. There are 0 additional IPC.

The only potential saving grace will be a higher max OC potential before the chip becomes unstable. In theory the Kaby Lake should be able have a higher OC potential, but it remains to be seen.

 
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M

Mkootie

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Oct 31, 2016
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I forgot to add the 6700K, whoops, I was in a hurry to do something. The main thing I will be using the pc for, is rendering pictures and videos, and streaming high detail games.
 
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iGetBSODs247

iGetBSODs247

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Jan 3, 2016
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Go for the 6700k. You won't regret it.

EDIT: To answer your question, no. It's not worth it.
 
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greens

greens

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Jan 27, 2012
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I think i figured out what you meant though!

You're trying to decide between a 7700K and a 6700K - the reality is that they are functionally damn near identical. The 7700K has a higher clock - but that is all, when you bring a 6700K up to 4.2GHz it performs identically to a 7700k. Usually intel gives us a 5-10% boost on IPC for this kind of thing, but in this case, all they are offering for Kaby Lake is a higher clock out of the box, and a higher OC potential.

 
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M

Mkootie

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Oct 31, 2016
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Alright, thanks to both of you for the fast responses, I'm gonna give it to greens since he was first and answered the question quickly and in detail
 
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M

Mkootie

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Oct 31, 2016
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thank you for the fast response, it really helped out
 
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M

Mkootie

Commendable
Oct 31, 2016
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wait for amd? uhh, no. lol?
 
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uguv

uguv

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Jan 2, 2008
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Actually I think he's trying to decide between an i7-7700 and an i7-7700K. The i7-6700K has a base clock of 4ghz. The i7-7700 has a base clock of 3.6ghz and the i7-7700K has a base clock of 4.2ghz. These match the numbers he's mentioning.

Besides the 600ghz base clock speed, the i7-7700K is overclockable. The i7-7700 is not, unless some motherboard manufacturers allow BLCK overclocking with Kaby Lake, but I doubt it.

It's up to the OP whether he thinks it's worth the price difference. Other considerations are that the i7-7700 can run on a less expensive motherboard and can run on a stock cooler, so it may actually be $100-$150 more expensive overall to go with the K model.
 
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