Coffee Lake Processors will not be compatible with Series 200 Chipsets
There has been a bit of confusion about upcoming Intel 6-core Coffee Lake being compatible with the current motherboards like thr Z270 series. Coffee lake makes use of the same socket and as such people expected (or had hoped for that).
It is now confirmed that you cannot use Coffee Lake on existing motherboards. In Specific it was ASRock who unraveled this mystery with a tweet:
As to why Coffee Lake cannot be used on Z270 remains a mystery though. The new processors will likele be introduced in late August or September with their accompanying Z370-chipset.
The presumable i7 8700K will have a 95W TDP, 3.7 GHz base clock, 4 GHz boost for 4/6 cores, 4.2 GHz for dual core and 4.3 GHz for a single core (likely 2 threads). Then there will be a 95W part with 3.2 GHz base clock and 3.4 GHz boost for 4/6 cores, and 3.6 GHz boost for 1 or two 2 threads. The last SKU is a 65W chip with a base clock of 3.1 GHz but 4/6 core turbos to 3.9 GHz. Dual core boost is 4.1 GHz while single core goes up to 4.2 GHz:
Three Coffee Lake Processor Specs and Details Revealed - 07/24/2017 08:12 AM
last week I already showed you a CPU-Z screenshot of a Coffee Lake Proc, this round there is information available on three SKUS. ...
Intel Coffee Lake 6-core CPU-Z screenshot Surfaces - 07/22/2017 08:27 AM
Leave it to Asia bsaed websites to leak stuff, a fist CPU-Z screenshot of an Intel Coffee Lake six-core processor just surfaced on the web and looking at the hardware registers, it shows is indeed is ...
Intel 6-core Coffee Lake Surfaces in GeekBench (again) - 06/27/2017 04:17 PM
An Intel upcoming 6-core Coffee Lake generation processor has surfaces in GeekBench (again). This CPU scored 4619 points on a single thread and 20828 on multi-threading. A comparable slightly clocked ...
Intel Coffee Lake Shows up in SiSoft Sandra Results - 04/24/2017 01:23 PM
Over the weekend we already had a bit of a chat that Intel would be releasing some processors during Computex. It seems now that Coffee Lake is alive as well....
(Updated) 6-Core Intel processors going mainstream in 2018 with Coffee Lake - 11/20/2016 09:36 AM
As AMDs processors close in with Zen slowly yet steadily we see some movement at Intel as well. For ages now 4-core processors have been the norm in the mainstream desktop segment, it seems that 6-c...
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They called Wallet/ripper for a reason...
Don Vito Corleone
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Haha, Walletripper, gotta remember that one

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ah this.. if only ryzen came out a month earlier i would be rocking a 1800x now, but alas my itchy fingers pulled the trigger on a 7700k..
i wish for AMD's success although I have not used one since the Sempron days

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In this case it's not a socket change but a chipset change
Why... all about the money ofc.