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post #21 of 48 (permalink) Old 02-16-2019, 11:04 AM
 
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Quote: Originally Posted by white owl View Post
There's an oxymoron in there somewhere.



200w is roughly 1.4v iirc. Full turbo is 120w. Stock is 95w-100w.
Are people really this eager to just bash something? Surely there's a healthier way to get that out.
Those numbers I got from stress testing an Aurora R8 with 9900K at work. Our test is similar to linpack and 200W was the maximum power reading in HWmonitor. I dunno, maybe it does violate turbo boost even at stock (I always reset the BIOS to default, no OC), max clocks were around 4.6Ghz. It has a 120MM AIO cooling the CPU and it barely managed to keep it below 100C, while the same AIO manages to cool 8700K just fine, which doesn't go above 95W max power. I just find Intel's attempts to hold the crown amusing, it feels like Prescott days, they even had to solder the lid, but the temps are still horrible. I compare it to a 2700X running in an Inspiron 5676 which has AMD's stock air cooler and a single small exhaust fan, it barely reaches 70-75c on torture test.
Maybe I will post my screenshots later when I will bench again, but this test here is similar.
https://www.gamersnexus.net/guides/3...-duration-z390

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post #22 of 48 (permalink) Old 02-16-2019, 12:50 PM
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Quote: Originally Posted by The Robot View Post
Those numbers I got from stress testing an Aurora R8 with 9900K at work. Our test is similar to linpack and 200W was the maximum power reading in HWmonitor. I dunno, maybe it does violate turbo boost even at stock (I always reset the BIOS to default, no OC), max clocks were around 4.6Ghz. It has a 120MM AIO cooling the CPU and it barely managed to keep it below 100C, while the same AIO manages to cool 8700K just fine, which doesn't go above 95W max power. I just find Intel's attempts to hold the crown amusing, it feels like Prescott days, they even had to solder the lid, but the temps are still horrible. I compare it to a 2700X running in an Inspiron 5676 which has AMD's stock air cooler and a single small exhaust fan, it barely reaches 70-75c on torture test.
Maybe I will post my screenshots later when I will bench again, but this test here is similar.
https://www.gamersnexus.net/guides/3...-duration-z390
Motherboard manufacturers still haven't abused XFR on AMD boards.

At stock without any turbo violations the 9900k still outperforms the 2700x, uses less power and runs cooler.

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post #23 of 48 (permalink) Old 02-16-2019, 07:27 PM
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Is this the wrap or bucket revision?

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post #24 of 48 (permalink) Old 02-16-2019, 07:49 PM
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post #25 of 48 (permalink) Old 02-16-2019, 08:57 PM
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Quote: Originally Posted by The Robot View Post
Those numbers I got from stress testing an Aurora R8 with 9900K at work. Our test is similar to linpack and 200W was the maximum power reading in HWmonitor. I dunno, maybe it does violate turbo boost even at stock (I always reset the BIOS to default, no OC), max clocks were around 4.6Ghz. It has a 120MM AIO cooling the CPU and it barely managed to keep it below 100C, while the same AIO manages to cool 8700K just fine, which doesn't go above 95W max power. I just find Intel's attempts to hold the crown amusing, it feels like Prescott days, they even had to solder the lid, but the temps are still horrible. I compare it to a 2700X running in an Inspiron 5676 which has AMD's stock air cooler and a single small exhaust fan, it barely reaches 70-75c on torture test.
Maybe I will post my screenshots later when I will bench again, but this test here is similar.
https://www.gamersnexus.net/guides/3...-duration-z390
You must manually configure the board to run with Intel's spec as always. In the past you'd need to disable MCE, now you need to limit the TDP. Default Z board=OC as always.

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post #26 of 48 (permalink) Old 02-16-2019, 10:03 PM
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The edram is interesting for sure... just ask us Broadwell guys lol. Also a 9900k guy too...but Broadwell for life.



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post #27 of 48 (permalink) Old 02-17-2019, 07:00 AM
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Quote: Originally Posted by white owl View Post
You must manually configure the board to run with Intel's spec as always. In the past you'd need to disable MCE, now you need to limit the TDP. Default Z board=OC as always.
Wait a minute. TDP is measured at default settings, not by setting a power limit function first then testing if power limit function works.

If TDP would be measured after setting power limit, someone could set power limit to 35 W, and then 9900K would be 35 W CPU. (Actually I managed to run my quad core at 35 W in linpack without setting power limit, but that was because I was skilled and wanted to test efficiency at lower speeds than base frequency.)
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post #28 of 48 (permalink) Old 02-17-2019, 07:27 AM
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Quote: Originally Posted by Raghar View Post
Wait a minute. TDP is measured at default settings, not by setting a power limit function first then testing if power limit function works.

If TDP would be measured after setting power limit, someone could set power limit to 35 W, and then 9900K would be 35 W CPU. (Actually I managed to run my quad core at 35 W in linpack without setting power limit, but that was because I was skilled and wanted to test efficiency at lower speeds than base frequency.)
That is not how it works.

Intel set specs for motherboard manufacturers, hence the "intel specs". Those are what intel tell the motherboard manufacturers to set.
Some, will make different default specs for certain CPUs, to allow their "OC tool" to run and OC the CPU. Others will make the motherboards only use intel specs as default, but allow you to run out of specs, yes, including lower TDP.
So yes, you can run it at 35W, though performance wise it will be horrible. Most likely there is a certain minimum of TDP requirement to allow it to run more efficiently.


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post #29 of 48 (permalink) Old 02-17-2019, 08:47 AM
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Quote: Originally Posted by Defoler View Post
So yes, you can run it at 35W, though performance wise it will be horrible. Most likely there is a certain minimum of TDP requirement to allow it to run more efficiently.
Did you mean when I ran it at 35W? Even two core test at the same frequency was faster than dual core I used previously.
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post #30 of 48 (permalink) Old 02-17-2019, 08:53 AM
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Quote: Originally Posted by Raghar View Post
Wait a minute. TDP is measured at default settings, not by setting a power limit function first then testing if power limit function works.

If TDP would be measured after setting power limit, someone could set power limit to 35 W, and then 9900K would be 35 W CPU. (Actually I managed to run my quad core at 35 W in linpack without setting power limit, but that was because I was skilled and wanted to test efficiency at lower speeds than base frequency.)
Just give it time until AMD motherboards are shipped with PBO out of the box.

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