Question ASUS prime z370a vs z390a

Dec 4, 2020
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I have a 8600k stock rn on a asus prime z370 a and I'm wondering how much better the prime z390 (which I also have(divorced parents)) and I'm wondering if it's worth chaning motherboards between the pcs just to get a bit better vrm temps on 390.
So, how much better vrm temps would I get on 390 vs 370 and can I run a stock 9700k on 370 ON STOCK without having to worry? and can I run a 9900k ON STOCK on either without having to worry? Thanks!
 
Sep 23, 2020
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Both the Asus Prime z370 - A (II) and the Asus Prime z390 - A (II) have 8+2 phase VRMs. If the VRMs on your z370 throttles, you won't get much luck with the z390.

I'm not sure how warm exactly the VRMs on my Asus Prime z370 - A II are (motherboard doesn't have VRM temperature sensors), but I have done hours of stress test on Aida 64 with my i7-9700k on a 5.0Ghz, 1.27V with no issues. Can't speak for the 9900k though. An i7-9700k on stock, however, is no problem.
 
Dec 4, 2020
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Both the Asus Prime z370 - A (II) and the Asus Prime z390 - A (II) have 8+2 phase VRMs. If the VRMs on your z370 throttles, you won't get much luck with the z390.

I'm not sure how warm exactly the VRMs on my Asus Prime z370 - A II are (motherboard doesn't have VRM temperature sensors), but I have done hours of stress test on Aida 64 with my i7-9700k on a 5.0Ghz, 1.27V with no issues. Can't speak for the 9900k though. An i7-9700k on stock, however, is no problem.
I have the non II version but I guess that doesn't matter
 
Sep 23, 2020
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I have the non II version but I guess that doesn't matter
The revised variant just has included DrMOS modules or something. I'm not entirely sure of their purpose (I think it provides more stability for OC), but I highly doubt they help to reduce temperatures. So if my z370 can work, so will yours.
 

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