Intel Core i7 8700K processor review

Posted by: Hilbert Hagedoorn on: 10/05/2017 02:57 PM [ 235 comment(s) ]

It is time to check out the new six-core proc from Intel, yes the Core i7 8700K will be put through our benchmark paces and yes this is Coffee Lake, Intel's new mainstream processor that you will need to seat on a Z370 chipset based motherboard. The processor does a good job and manages to make a sturdy impression, as well as it being tweakable to 5.0 GHz on all six cores.

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Silva
Senior Member

Posts: 1972

Posted on: 10/05/2017 03:13 PM

First! Lets read XD

EDIT: Looks like the iGPU doesn't suck as mush as before, at least is finally competing with AMD APU line dedicated for what it is. Now let's see how the Zen+Vega APU will change this picture.
As single thread performer, nothing changed and that's a great sign: more cores didn't mean loss in performance. As a multi-threaded performer it's a bit low from what I expected, but still a solid performer for what it is: what Intel should have launched 2 years ago.
I think the majority of gamers will be inclined to the i5 because of the price point, that will be interesting to compare to the R5 1600(x).
Finally Intel moved it's ass, thanks to AMD. Let's hope AMD doesn't sleep 6 more years because this is a great CPU for who have been waiting with their i5/7 2500/2600/2700!

geogan
Senior Member

Posts: 1175

Posted on: 10/05/2017 03:14 PM

Second. Will reserve my final thoughts after reading!

Negatives:
Only 16 PCIe lanes - miserly
Dual channel DDR4
No USB 3.1 Gen 2 (10 Gbps) on chip
Integrated graphics - waste of die space that could be used for more useful things (like more PCIe lanes or USB3.1)
THAT INTEL ONLY GIVES A SHIT SINCE COMPETITION FROM THREADRIPPER APPEARED (corporate consolidation?)

Positives:
Price (compared to the i9 series)
10x USB 3.1 Gen1 (5 Gbps) through the chipset
Idle power
Single core boost to 4.7GHz - usesful for lots of single thread programs/games

So CPU has 16 lanes and Z370 chipset has "up to 24 PCIe 3.0 lanes". So does that mean a typical Z370 board will have 40 lanes available or not?

Thoughts.
My current first/second generation Gulftown i7-970 has a single core Cinebench score of 86, and this brand new 8th generation nearly fastest single core CPU is still only 194, so only slightly over twice as fast - not really much of an improvement in that many years and generations of Intel CPU is it? You'd think it should be 500+ at this stage...

Multi-core Cinebench is just as bad with mine being 703 and this being only 1296

OK, it looks OK, although hard to compare to 7700K as this is missing from many of the graphs. I will check prices combined for cpu/motherboard and see how AMD compare before deciding which to go for.

£360 pre-order from UK scan.

The Edge
Member