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[Official] RYZEN 7 1800X | 1700X |1700 Owners Club & 4GHz+ Club - Page 795

post #7941 of 11582
Quote:
Originally Posted by sakae48 View Post

it's actually AMD decided to add +20C offset on X chips

Why? Is there any material I can read or videos I can watch about this?

Seems strange.....???
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post #7942 of 11582
Quote:
Originally Posted by Alwrath View Post

No, what I was trying to say is no chip can hit 4 ghz on all cores without overclocking/manual tweaking. As far as I know XFR only overclocks 2 out of the 8 cores? Or am I wrong?

Dont even bother arguing with him it was a ridiculous comment. Silicon Lottery sells the damn things and only has a 70% success rate at 4ghz.
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post #7943 of 11582
@nrpeyton

Thread in my sig, OP section Temp info has info/links. Also view section Important info regarding temps on R7 1700/1700X/1800X in HWiNFO.
Edited by gupsterg - 4/5/17 at 11:36am
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post #7944 of 11582
Quote:
Originally Posted by Alwrath View Post

Yep here it is from Tom's hardware :

http://www.tomshardware.com/reviews/amd-ryzen-7-1800x-cpu,4951.html

" With Precision Boost enabled, all of the 1800X’s cores can operate at 3.7 GHz. And with enough thermal headroom, two cores jump as high as 4.1 GHz. "

thumb.gif

So your guaranteed 4 ghz with no tweaking on 2 cores with the stock cooler as long as your case has decent airflow. No chip is guaranteed 4 ghz on all 8 cores without manual overclocking wink.gif

I must have been mistaken. Initially I thought all 8cores turbo to 4ghz.

What I should say is you have a higher chance of getting 4ghz smile.gif.
post #7945 of 11582
Quote:
Originally Posted by nrpeyton View Post

Why? Is there any material I can read or videos I can watch about this?

Seems strange.....???

Tctl is not a single sensor. The 20 degree offset is only reported by the x chips. Clearly seems to be there for 100 mhz xfr thermal headroom. And clunky way to do THAT. Processor I.d. alone should be enough for any future software specifically intended to leverage XFR.
The Stilts thread on Anand has a lot of good technical info

https://forums.anandtech.com/threads/ryzen-strictly-technical.2500572/page-1

And gupstergs ryzen essential info thread, here on ocn. also a good starting spot
Edited by yendor - 4/5/17 at 11:34am
post #7946 of 11582
Quote:
Originally Posted by budgetgamer120 View Post

I must have been mistaken. Initially I thought all 8cores turbo to 4ghz.

What I should say is you have a higher chance of getting 4ghz smile.gif.

That is certainly possible. I only have the 1700 so I cant test it myself. It looks like ill be able to hit 4 ghz on my chip once I get my water cooling bracket from corsair in, didnt want to try on air cooling. thumb.gif
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post #7947 of 11582
I guess add me to the 4ghz 1700 club.

http://valid.x86.fr/bpk6gg
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post #7948 of 11582
1.38v? What stress tests is that passing?...
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post #7949 of 11582
well its 1.39 in BIOS.

what stress test would you like to see?

It passed an hour of real bench
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post #7950 of 11582
Quote:
Originally Posted by nrpeyton View Post

No its not. :-)

And I have a Water Chiller (capable of going sub-zero) and a Kingpin LN2/Dry Ice evaporation pot. So if I really wanted to hit 4 GHZ on an unlucky chip (just to say I can) then I can probably still do it.

So 1700 it is then? Or are there any other considerations, anything else I've missed / not considered?

Thanks for all your replies. Everyone.

1700x/1800x will have a much greater likelihood of reaching 4.0Ghz. There are a lot of people who can't reach 4.0Ghz on 1700, but there are those who got lucky.
Quote:
Originally Posted by nrpeyton View Post

So this Temp Reporting inaccuracy issue.

Is this the same problem that plagued AMD's FX series for years?

AMD chips still cannot report temps correctly?

Does it do it the same as the FX? Using the obscure algorithm to calculate the temperature (which is never accurate). Or have they improved it?

AMD did it on purpose. 1700x/1800x reports 20c higher and some motherboards already account for the difference.
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