Wich one i7 6700k, i7 7700 and i7700k

Vale902 · Jul 9, 2017

Hello dear community,

I'm building my new gaming pc and I'm stuck which cpu to buy.
My concerns are about the quality of those cpu, given that I read i7 7700 and k version users are having problems with thermal issues due to the bad quality tim in the cpu (more with i7 7700k because it's more popular).
So I need some suggestions because I'm not going in overclocking (in fact my mobo has a h270 chipset) and I know some of you would not recommend the i7 6700k version, but I don't regret the additional speed.
In advance I didn't buy i5 because i7 is more profitable in the future (especially 8 threads in the gaming field versus i5 4 threads).

Sorry for my bad English.

P.s: As air cooler I bought a noctua nh-u14s (I like it, don't ask me why Xd)

theonerm2 · Jul 9, 2017

Since you're not overclocking just get whichever cpu is the better deal. It goes like this 7700<6700K<7700K. For example if you can find the 6700K much cheaper get it. If you find the 7700 much cheaper get it. If you can find a 7700K for a similar price as the others then get it. As for the heat issues on the 7700K not everyone has them. People overclocking to 5GHz+ are a lot more likely to experience the issues than someone running at stock speed like you would be.

Ecky · Jul 9, 2017

7700K's don't really have thermal issues exactly. Nearly all of them run at safe temperatures at stock, people just have an arbitrary expectation that it should be lower. The 6700K is nearly the same chip, and the only reason it might run cooler is if the clockspeed is lower. Ultimately, that's the single difference among them - clockspeed.

Vale902 · Jul 9, 2017

Thx for your reply.
Since i7 6700k costs equal to i7 7700 on amazon, I would pick the first one. My only doubt rests on i7 7700 is more recent.
I7 7700k costs 40 eur more than the first two and slightly faster than 6700k about 7-10%.

Ecky · Jul 9, 2017

The 7700 has Optane support and a few additions to the iGPU, but otherwise they perform exactly the same (at the same clockspeed).

jankerson · Jul 10, 2017

Ecky :

That and some are running a lot of voltage through them trying to hit more clock speed than the CPU's will really do at safer levels. Yeah they are going to run HOT, more of a user issue in the end than a CPU issue.

Vale902 · Jul 10, 2017

Thx a lot guys.
One more curiosity, would be safe picking a k version with my mobo that has h270 chipset? Because I'm not interested in oc, but 6700k and 7700 have the same price.

jankerson · Jul 10, 2017

Vale902 :

Yes it will be fine, it will run slightly warmer than the non K 7700 due to the increased clock speed.

The 7700K runs 500 MHz faster than the 7700, both at stock speed.

The 6700K runs at 4.0 GHz and 4.2 GHz turbo.

The 7700 runs at 3.6 GHz and 4.2 GHz turbo.

The 7700K runs at 4.2 GHz and 4.5 GHz Turbo.

So the 6700K and 7700 will both run at 4.2 GHz at stock speed, so if not overclocking flip a coin.

teknobug · Jul 10, 2017

I fixed my i7 7700's heat spike issue by setting a fixed voltage to 1.22v and haven't gone over 63-65C since then, before I was getting 83C. Simply the hottest CPU I've ever had besides the Pentium Pro (which ran at 120C but lasted me 12+ years).

The 6700K is a good buy since it is stock 4.0/4.2GHz and can be OC'd easily, and has been listed at the same price as the non-K 7700.

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