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  • Linus, oh hey

  • Get it?

  • A Coffee Lake?! Yup

  • Oh like the CPU we're reviewing

  • Yep Oh yeah, well, you know what thanks for that

  • and while we're at it

  • Thanks to tunnel bear tunnel bear makes it easy to

  • privately and securely browse a more open Internet

  • Try tunnelbear for free go to tunnelbear.com/ltt

  • The core i7 8700 K and core i5 8400 CPUs

  • that we're reviewing today are members of Intel's 8th generation Core Series

  • codename

  • Coffee Lake

  • They're built on the improved 14 nm ++ 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 kaby lake which itself was more or less just sky lake

  • No avx-512 no rebalanced smartcache 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 6 core Intel chip on the mainstream

  • platform and at mainstream prices

  • But there's more it's not just a 6 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 cache

  • 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 ok salt can taste good. You know it's like oh

  • oh

  • Hmm like this is what it feels like when oh that's awful. Ah oh

  • oh, I gotta get it off my tongue

  • Why is this even in here

  • Ok I'm sorry, so this this is what it feels like when technology is actually

  • advancing ah

  • Now there are new core i3's 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 yeehaw ready, cuz it's

  • gun be one heck of a shootout and

  • the core i7 8700 K

  • Comes out guns blazing in our 1080p gaming tests it predictably trades blows at the top of the keep with its predecessor

  • depending on per game multi-threaded optimization

  • I 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

  • 7700 K 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's 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 8700 K. 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 Ryzen chips are unlocked that gap could widen with overclocking

  • Thermals are

  • Not that great for the 8700 K 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 overclocks at 5 gigahertz

  • Yes, my friends 5 gigahertz 6 cores. We managed a pretty decent improvement in performance on our

  • 8700 K giving it similar Headroom to our 7700 K 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 has accounted for compared to kaby lake the core i7 8700 k is on par for gaming

  • That's good, but at over a $100 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 to actually switch places

  • The 8700 k takes the crown here while the 8400 sits in the back seat next to Ryzen

  • Over although 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 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 gonna 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

  • And you know what else is the win for the consumer joining Dollar Shave Club

  • Thanks for sponsoring this video you guys if you haven't already give Dollar Shave Club a try. It's more than just razors

  • They make it easy for you to upgrade your shave and your bathroom

  • You don't actually have to leave the house to get high quality

  • Shaving and grooming products delivered straight to your door

  • And they are basically giving away their

  • Shower shave starter set to new members for just 5 bucks

  • It features the executive razor and free trial sized versions of their most popular

  • Products that help you stay fresh and clean on your face and on your butt

  • You'll also receive their executive razor

  • I think I just said that which includes their premium weighty handle and full cassette of cartridges then after the first box

  • Replacement cartridges are just a few bucks a month so check it out at dollarshaveclub.com/linus

  • We've got that linked below

  • So thanks for watching guys if this video sucked

  • You know what to do

  • But it was awesome get subscribed hit that like button or check out the link to where to buy the stuff

  • We featured it is really highly recommended this time around in the video description also down

  • There is our merch store, which has cool shirts like this one and our community forum, which you should totally join

Linus, oh hey

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Intel RYZEN-KILLER - 酷睿i7 8700K. (Intel RYZEN-KILLER - Core i7 8700K)

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    alex 發佈於 2021 年 01 月 14 日
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