Intel X299 (Socket 2066) VRM thread - Page 103 - Overclock.net - An Overclocking Community

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post #1021 of 1212 (permalink) Old 12-03-2017, 05:14 PM
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Originally Posted by WingZero30 View Post

@REAN1MAT0R
How high did you manage to overclock 7980XE on Taichi XE?

same 5000mhz 1.39v 3300 1.160v
i will use custom vrm waterblock with microchannels structure
apex vrm heats up to 83c with waterblock on prime95 with avx2.0
i hope this board has much better vrm heat transfer and i will make better waterblock structure
i will check it when waterblock will be ready

? 7980XE 5000/3400 ? G.Skill RGB 64Gb 3800 ? TAICHI XE ? 1080Ti FTW3 SLI ? 850EVO 4tb ? 960PRO 2tb ? Corsair AX1500i x2 ?
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post #1022 of 1212 (permalink) Old 12-03-2017, 05:20 PM
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Originally Posted by REAN1MAT0R View Post

same 5000mhz 1.39v 3300 1.160v
i will use custom vrm waterblock with microchannels structure
apex vrm heats up to 83c with waterblock on prime95 with avx2.0
i hope this board has much better vrm heat transfer and i will make better waterblock structure
i will check it when waterblock will be ready
Pretty much impossible that you aren't current throttling severely at that point. Have you compared benchmark/performance to 4.6GHz when at 5GHz?

Not the VRM, but the CPU package current limit. Even at a much lower voltage, you should be bumping up against 250% power/current @ 4.4-4.6GHz (depending on Vcore)

Unless you are running sub-ambient cooling.


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post #1023 of 1212 (permalink) Old 12-03-2017, 06:46 PM
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Originally Posted by cekim View Post

Pretty much impossible that you aren't current throttling severely at that point. Have you compared benchmark/performance to 4.6GHz when at 5GHz?

Not the VRM, but the CPU package current limit. Even at a much lower voltage, you should be bumping up against 250% power/current @ 4.4-4.6GHz (depending on Vcore)

Unless you are running sub-ambient cooling.

I am boried to argue about that with everyone
because everyone thinks they're the smartest
https://www.overclock.net/t/1635159/asus-rampage-vi-apex-x299-owners/840#post_26444393

? 7980XE 5000/3400 ? G.Skill RGB 64Gb 3800 ? TAICHI XE ? 1080Ti FTW3 SLI ? 850EVO 4tb ? 960PRO 2tb ? Corsair AX1500i x2 ?
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post #1024 of 1212 (permalink) Old 12-03-2017, 06:55 PM
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I am boried to argue about that with everyone
because everyone thinks they're the smartest
https://www.overclock.net/t/1635159/asus-rampage-vi-apex-x299-owners/840#post_26444393
Not arguing - curious.

That's an impressive setup.


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post #1025 of 1212 (permalink) Old 12-04-2017, 01:12 AM
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Originally Posted by REAN1MAT0R View Post

same 5000mhz 1.39v 3300 1.160v
i will use custom vrm waterblock with microchannels structure
apex vrm heats up to 83c with waterblock on prime95 with avx2.0
i hope this board has much better vrm heat transfer and i will make better waterblock structure
i will check it when waterblock will be ready

Wow!!! That's impressive.

What's your cpu batch no ?
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post #1026 of 1212 (permalink) Old 12-06-2017, 12:02 PM - Thread Starter
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http://www.hw-journal.de/testberichte/mainboards/3118-asus-rog-strix-x299-xe-gaming-test?showall=&start=10
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In this test, we wanted to check the extent to which the power supply heats up during heavy load. We did not want to let the MOSFETs die, but to simulate a humane level, which could also reflect everyday life. To do this, we have applied a fixed voltage of 1.25V to the CPU. The turbo clock we have left at 4GHz, but the AVX offset disabled or set to zero. To make the CPU or the power supply sweaty, we started the latest version of Prime95 (29.3) with AVX command set and let it run for 30 minutes.

One of the differences between the Strix X299-XE and the X299-E is the revised voltage converter cooler. This was provided with grooves to increase the surface and thus dissipate waste heat faster. In addition, a sturdy plate was mounted on the back, which not only stabilizes the mounting, but also dissipates some waste heat via the back of the PCB. Although we can not make any comparison to the X299-E, but the comparisons to the competition are still interesting and meaningful in itself. Unfortunately, there is no internal sensor, so we measured externally on the radiator again. Unfortunately, the enclosed sensor could not quite fulfill its purpose. This is more suitable for measuring the ambient temperature. We were finally able to determine 58.7 ° C at the voltage converter cooler. This value is already much better than the competition. If you install the enclosed fan, the temperature dropped to only 33.9 ° C. The values ​​really surprised us when we looked at the energy meter. Proud 387W were pulled out of the socket. We would have liked to use the cooler further, but the CPU temperature was already 90 ° C.

The improvements that ASUS has made to the Strix X299-XE seem to be bearing fruit. Because despite massive load, the cooler was compared much less heated.

By socket I think they mean at the wall

----
https://www.anandtech.com/show/12026/the-asus-tuf-x299-mark-i-motherboard-review/9
Quote:
At 4.5 GHz and 1.225V, the system pulled 323W from the wall which was surprisingly the highest value of the boards tested so far.
i9-7900X was used

Taichi XE with i9-7900X:
Quote:
Originally Posted by https://www.kitguru.net/components/motherboard/ryan-martin/asrock-x299-taichi-xe-motherboard-review/11/ 
Overclocking performance was similar to all other X299 motherboards though we found the ASRock board needed less voltage, at 1.175 volts instead of 1.2 volts, to achieve 4.6GHz in a stable manner.

X299 Extreme4 using Fairchild Dual-N mosfets(FDPC5030SG) at VRM , not Intersil smart powerstages
https://news.xfastest.com/review/43680/asrock-x299-extreme4/



EVGA X299 DARK



https://www.gamersnexus.net/hwreviews/3162-evga-x299-dark-motherboard-vrm-thermal-review

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post #1027 of 1212 (permalink) Old 12-07-2017, 04:13 PM
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how is the vrm in the evga x299 ftw k?
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post #1028 of 1212 (permalink) Old 12-09-2017, 08:51 AM
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Originally Posted by Flaxen Hegemony View Post

Hey guys, over the extended holiday weekend, I'm going to be giving my boards another run-through after my initial tests. Here is my current x299 equipment pile, occupying a shrine in the middle of the family room, to the wife's constant delight:




And yes, Rudolph is helping me out.

You'd think that I arrange my tests optimally, so that can just reassemble-reassemble things once. But sometimes, a tidbit noticed in one bios needs to be looked at in the previous one or two.

I'm currently running the Asus R6E with a Fractal Design Celsius S36 just like before, BUT THIS TIME... (cue dramatic music)... my order of iddy biddy teeny weeny yellow pol--- oh it stops working there. Anyway, the little fans, like this, with one pushing down on the VRM heat sink, and the other pushing on the DIMM card.

Another thing I'm going to try to do this weekend, is setup some kind of "smart Fan program" that will issue an alarm of some sort if a thermal runway condition is happening. Mind you, it hasn't happened yet, but I'm curious if it can be anticipated in the UEFI.

The next little summary I post will be on the Asus R6E, and whether a VRM fan cranking to kingdom come can offset those VRM-thrashing 109C voltages down to something reasonable with all the other junk in the case.

CLARIFICATION: In my previous posts, I want'ed to make sure you understand something about disabling cores in UEFI. I did NOT say or suggest that some boards don't allow you to disable cores. They do. Every board I've tested in this little group has done so. The problem happens when you want specific cores OFF or want to know which of the cores might be adjacent/nearby. Nearly all boards just ask you "how many" cores you want active, not "which cores" you want active. For quick and dirty chip comparisons, this is fine, but for tuning minimal voltage requirements, and the impact of nearby individual cores to another core's thermals, the Asus R6A and R6E allow these adjustments to be made."

And that Gigabyte board sure is sharp looking. Maybe it deserves a second look a well. Let me know, guys, if you want me to try any tests on the equipment I have here. Cheers! thumb.gif

Hi Flaxen

When will you be providing a detailed review of these motherboards?

I am eagerly awaiting on it wink.gif
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post #1029 of 1212 (permalink) Old 12-09-2017, 08:54 AM - Thread Starter
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Originally Posted by FedeX299I57640X View Post

how is the vrm in the evga x299 ftw k?
Should be just about on par with an Asrock board using the Intersil Smart Powerstages with the same kind of fin area (original Fatal1ty K6 / Killer SLI probably).


https://www.hwcooling.net/en/ekwb-ek-fb-msi-x299-x360-more-than-500w-with-vrm-below-60-c/3/




https://www.hwcooling.net/en/undervolting-and-overclocking-of-ci9-7980xe-with-nh-d15-en/3/

If you're crazy enough to run a X299 M7 with NH-D15 for i9-7980xe...undervolt it and run NH-D15 at 7V or more.

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post #1030 of 1212 (permalink) Old 12-10-2017, 02:08 PM
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If you're crazy enough to run a X299 M7 with NH-D15 for i9-7980xe...undervolt it and run NH-D15 at 7V or more.
Even with a really good chip, I think you'd struggle to get more than 4.3GHz all-core OC with a D15. A D15 tends to do "very well" against an H110i which can sustain a 4.3-4.4GHz all-core, but in push-pull @ 100% fans. I didn't test them apples:apples on this setup, but I have on others.

If nose-bleed OC's aren't your thing though - keeping the chip closer to 4.0-4.2GHz and the undervolt you can achieve would make for a very tame/quiet air-cooled setup with enormous compute power at the expense of giving up 5-10% of your single thread performance (vs max OC - you'd still be faster than stock by a fair amount).


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