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[Various] 6-Core Coffee Lake Lineup: i7-8700K & i5-8600K / Official Reviews & Benchmarks (Update 19) - Page 101

post #1001 of 6279
Quote:
Originally Posted by chaosblade02 View Post

Quote:
Originally Posted by wingman99 View Post

Sandy bridge is only 3.40 GHz then kaby lake is 4.4 GHz on 4 core load.

Which goes further into the point I was making. SB OC'd by a considerably higher % margin still runs cooler than Kaby OC'd at a lower % margin. On average. Using the same cooler.
I'm using the same cooler as Sandy bridge and kaby lake overclock higher and cooler than my sandy bridge I use to have. Sandy bridge is soldered IHS and I'm still running cooler with kaby lake increased overclock.
post #1002 of 6279
Quote:
Originally Posted by TMatzelle60 View Post

It only sucks that i was about to build the 7700K build now with new stuff coming i have my computer parts (Case, AIO, PSU) sitting for the Z370 itx build now

Yeah, my build is delayed until we find out if CL is worth it.

Also have to take into consideration what I was coming from.
Edited by Ascii Aficionado - 9/2/17 at 2:58pm
 
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post #1003 of 6279
Quote:
Originally Posted by SuperZan View Post

That I understood and agreed with. What I'm saying is that the power requirements and thermal characteristics at a given voltage are not going to be reduced in any significant way. At a KL quad-core 5GHz level, we're already talking about delids and excellent cooling if you're interested in real stability. My contention is that adding two cores to the package is going to mitigate some of those process gains in terms of power and thus thermals. 5GHz will, in my opinion, again be the province of delids and custom loops and the tap out point for the majority of setups. I'll be happy to be wrong, but I'll need to see proof in practical testing before I'm sold on 14nm++ being so revolutionary.

4.7ghz is easy mode for Kaby, though, and that was your
Quote:
delids and excellent cooling if you're interested in real stability
of the original skylake
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post #1004 of 6279
Quote:
Originally Posted by Cyro999 View Post


4.7ghz is easy mode for Kaby, though, and that was your
of the original skylake

 

Yes, but assuming a general mean 300MHz advantage at identical voltage between SKL and KL at a 1:1 core count, I think it's reasonable to suggest that adding two cores will alter the power requirements and thus the thermal properties of the six-core chips. I'm not discounting that 14nm++ will be another step forward for Intel, I'm only theorising that these advances will largely be expended in adding additional cores to the package.

 

Simply put, 14nm to 14nm+ allowed for higher clocks at a given voltage with identical core counts. The 7800X doesn't allow for a great comparison, because it's using a distinctly different mesh design, but that's still six cores on 14nm+. Assuming that 14nm++ improves the thermal and power situation considerably to a best case, we're still likely left with a part that performs thermally like a quad-core KL. Six cores at 5GHz on good cooling isn't anything to sneeze at. I'm just advising people not to count on 5.2GHz AIO overclocks on these chips.

     
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post #1005 of 6279
Quote:
Originally Posted by Lass3 View Post

Neither are the CPU's - So it's all good..
it makes sense to wait the platform news if z370 wil have the same compatibility as Z270 only
Quote:
Originally Posted by Cyro999 View Post

4.7ghz is easy mode for Kaby, though, and that was your
of the original skylake
I think that intel possibly reduced slihgly the gap on 7700k but still not close enough
post #1006 of 6279
Quote:
Originally Posted by Lass3 View Post

SB is considerably slower than KL when both are at the same clock, not sure why this matters

Lol, SB is 6 years older than KL too. A 5GHz 2600K doesn't seem 6 years slower than a 5GHz 7700K IMO. To keep it in perspective, how much faster was the 2600K than a Prescott Pentium 4?

The stagnation is real.
post #1007 of 6279
Quote:
Originally Posted by Majin SSJ Eric View Post

Lol, SB is 6 years older than KL too. A 5GHz 2600K doesn't seem 6 years slower than a 5GHz 7700K IMO. To keep it in perspective, how much faster was the 2600K than a Prescott Pentium 4?

The stagnation is real.

Well apart from price you have to compare something with more cores from Intel. I mean when 2600K came out Intel only had 6 Core for High end. Up until now they had 10 Core and now 18 Core. Yeah 2600K to 7700K is a small upgrade. I have been using my 3770K and need a replacement but probably will wait for PCIE4 before making the upgrade.
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post #1008 of 6279
Sandy bridge does not do to bad overclocked, take a look at this Video.
post #1009 of 6279
Some of those charts are goofy, how is a stock 6900k beating a 5.1ghz 7700k in watch dogs?
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post #1010 of 6279
Ive got a 4.7 overclocked sandy pushing a 1080ti just fine at 3440x1440. This CL would be a 'nice to have', but i definitely dont feel like i need to upgrade. Its more about wanting the new chipset features, byt even then i could go either way.
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