so
get it
a coffee lake yep oh like the CPU we're
reviewing yup oh yeah well you know what thanks
for that and while we're at it thanks to tunnelbear tunnelbear makes it easy to
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the core i7 8700k and core i5 8400 cpus
that we're reviewing today are members of Intel's eighth generation core series
code name coffee lake
they're built on the improved 14 nanometer plus plus
process and they fit in the same socket
as 6th and 7th gen processors but
for those of you rejoicing in the streets that Intel is supporting the
same socket for three generations of desktop chips for the first time in a
decade think again neither 8th gen chips nor the 300 series
motherboards that go with them are backwards compatible trust us
we tried Intel has an excuse though at least for
the new cpus to not work in the old boards because the new z370 chipset even
though rumors indicate that it's fundamentally a retooled z270 supports
higher speed ddr4 2666 out of the box
and offers improved power delivery both
things that required some tweaks even to hardware
and so i don't know like maybe this is
worth making a video about like coaching people on how to watch for this stuff
because anyone who was expecting a 200 series
board to get a CPU upgrade hasn't been following Intel's pattern over the last
10 years now AMD's announced long-term support of
am4 might bring about a change in this
behavior from Intel but that remains to be seen AMD's history is to sure support
a socket for a long time but with cpus that nobody really wants to
upgrade to with all of that said i totally get why
the people who invested in fancy z270 boards are mad right now
architecturally coffee lake is more or less just kb lake which itself was more
or less just sky lake no avx 512 no
rebalanced smart cash i mean damn we're not even getting a new hd
graphics chip not that i cared about that although hooray for hdcp 2.2 i
guess so that doesn't sound very compelling but
what is is that we are finally getting a six core Intel chip on the mainstream
platform and at mainstream prices
but there's more it's not just a six core chip which is
kind of what i would have expected them to do the entire core i7 and core i5
lineup are getting the hex treatment complete with additional cash and this
is all at roughly the same TDP as the previous generation
so if you're upset about that
then i'm glad because this is a good thing
we all used to get upset about every new
hardware generation but it's okay salt
can taste good you know it's like
oh like this is what it feels like when oh
that's awful ah oh
why is this even in here okay i'm sorry
so this this is what it feels like when
technology is actually advancing just
oh now there are new core i3s too but those
are kind of boring and we didn't get samples so let's get to performance of
the chips that we have we are going to be doing a lot of
testing this time around because this is potentially a huge single generation
leap in performance so we cracked open our previous generation
Intel rig our current gen ryzen and threw in core i9 and Threadripper for
good measure so get your yee haws ready
because it's gun be one heck of a
shootout and the core i7 8700k comes out guns
blazing in our 1080p gaming tests it predictably trades blows at the top of
the heap with its predecessor depending on per game multi-threaded optimization
curiously it seems to fare slightly worse overall
but it's nothing to cry about more interesting is the core i5 8400
riding into town with 7700k like performance at an i5 price
as for our 4k gaming tests well
these are some super boring if beautiful and high resolution graphs
there is a reason that Anthony coined the term the great equalizer for 4k in
the core i9 extreme edition video everything performs the same when the
GPU is the bottleneck synthetic gaming benchmarks tell a similar story
moving on to productivity oh boy
the core i7 8700k kills it here easily surpassing ryzen in
multi-threaded tests and even approaching the core i9 lineup thanks to
its higher core clocks and it even
decisively snatches the single threaded crown from its predecessor thanks to its
higher turbo and extra cash as for the core i5 8400 its lack of
hyper threading does hurt it here compared to its competitor the ryzen 5
1600. and since rise and chips are
unlocked that gap could widen with overclocking
thermals are not that great for the 8700k
although this seems to be at least partially a firmware bug since when
overclocked we actually got lower readings
and power consumption is higher than the last gen but
nothing like the hedt and workstation chips that we've been reviewing recently
let's talk overclocking it's pretty simple and there's plenty of
fine control including per core over clocks
at five gigahertz yes my friends five
gigahertz six cores we managed a pretty decent improvement in performance on our
8700k giving it similar headroom to our
7700k across the board
though as always your mileage may vary bringing us to value and it's here that
coffee lake shines when system cost is accounted for
compared to kb lake the core i7 8700k is
on par for gaming so it's good but
at over a hundred dollars less than that the core i5 8400 is the one that's going
to be really disruptive be it for gamers
or entry-level content creators in productivity the two actually switch
places the 8700k takes the crown here
while the 8400 sits in the back seat next to ryzen
overall though both of the new Intel chips sit pretty
at the top of the pile so
was coffee lake a last minute response to ryzen
in some respects uh pricing not to mention the decision to move the i5 line
up to six core it might be
we don't know how good Intel's you know corporate espionage is you know maybe
they knew ryzen was going to be good a year and a half two years ago when
they would have had to start working on this or maybe they didn't
whatever was the case this release is a major performance win for the consumer
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