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Z370 / Z390 VRM Discussion Thread - Page 139

post #1381 of 1596
Sorry I should have been more specific, I'm just trying to understand why the taichi is higher on the hierarchy compared to the K6 regarding VRMs. That is a cool website though, could be very helpful in my search when considering other features. Guess I'll keep combing through this thread for now.
post #1382 of 1596
Quote:
Originally Posted by Bacnation View Post

Could anyone help me understand the difference between the asrock gaming k6 and the taichi? Assuming they are the same price which is the best choice?

Taichi. There's 10 drivers instead of 5 and more input filtering capacitors. What this means is the power will be "cleaner" (less ripple) going into the VRM , and there will be less loss and heat out of the VRM due to 10 PWM signals instead of 5. When using 5 PWM signals you end up with 2 mosfets switching on 1/5 of the time rather than 10 PWM signals switching on 1/10 of the time. The Taichi has half the load on the low side of the Dual channel mosfet as a result , since running dual driver mode doesn't result in half the amperage it just reduces the on state resistance in half.

https://ru.gecid.com/mboard/msi_z370_pc_pro/
Z370 PC PRO
Quote:
the cooling heatsink of the chipset is 36.6 ° C;
     the upper radiator cooling elements of the processor's power supply subsystem - 42.9 ° C;
     side cooler cooling elements of the processor power subsystem - 46.3 ° C;
     chokes - 55,1 ° C.
Load = AIDA64 FPU at 3.9GHz 1.184V
Quote:
As a result of manual overclocking, the operating frequency of the Intel Core i7-8700K test processor was 4800 MHz. To do this, in the BIOS the multiplier was increased to "x48". However, after a minute of AIDA64 stress test, the processor frequency drops to 3900 MHz at a voltage of 1.184 V.

Z370 Extreme4 with SM7341 again
http://quasarzone.co.kr/bbs/board.php?bo_table=qc_user&wr_id=15871 (same as http://playwares.com/userreview/55940059) Warning: Spoiler! (Click to show)

Z370M Pro4
http://playwares.com/userreview/55933758

seems to use the Sinopower SM4337+SM4336 combo
post #1383 of 1596
Quote:
Originally Posted by AlphaC View Post

Taichi. There's 10 drivers instead of 5 and more input filtering capacitors. What this means is the power will be "cleaner" (less ripple) going into the VRM , and there will be less loss and heat out of the VRM due to 10 PWM signals instead of 5. When using 5 PWM signals you end up with 2 mosfets switching on 1/5 of the time rather than 10 PWM signals switching on 1/10 of the time. The Taichi has half the load on the low side of the Dual channel mosfet as a result , since running dual driver mode doesn't result in half the amperage it just reduces the on state resistance in half.

Wow thanks man! I really appreciate you taking the time to explain that to me, this is exactly what I was looking for.
post #1384 of 1596
Hello! Anybody? The stock voltage for the i7-8700 (non k) on the Aorus Gaming 5 or 7 is 1.2v, how to decrease this value? Should i set the voltage to adaptive? I think is a little too high. Should i set to 1.1v or less or what should i do? Thanks in advance for the responses.
post #1385 of 1596
Quote:
Originally Posted by Leoplate25 View Post

Hello! Anybody? The stock voltage for the i7-8700 (non k) on the Aorus Gaming 5 or 7 is 1.2v, how to decrease this value? Should i set the voltage to adaptive? I think is a little too high. Should i set to 1.1v or less or what should i do? Thanks in advance for the responses.

You can undervolt it for sure. Just set the vcore in BIOS. Don't go too low though, and test your stability, on 1 core and on all cores, since you might now be stable with it.

XMP + MCE off + undervolt should work fine.
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post #1386 of 1596
Quote:
Originally Posted by Leoplate25 View Post

Hello! Anybody? The stock voltage for the i7-8700 (non k) on the Aorus Gaming 5 or 7 is 1.2v, how to decrease this value? Should i set the voltage to adaptive? I think is a little too high. Should i set to 1.1v or less or what should i do? Thanks in advance for the responses.


1.2 is not a high voltage for this chip. I am running the K version of the processor at 1.2 at 4.7ghz.

You could probably dial the vcore back but that would be based on what kind of load temps you are getting. Your chip might actually need 1.2 for when the CPU spools up in turbo mode to it's maximum frequency.
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post #1387 of 1596
Yeah, 1.2V is not much. I can run closwr to 4.9/5.0 ghz at 1.200V+.

I think I'll switch my hero for a Taichi.. I'ved feed up with the hero.

Question. Would the Taichi fequire more or less voltage at the same settings?
post #1388 of 1596
Quote:
Originally Posted by GreedyMuffin View Post

Yeah, 1.2V is not much. I can run closwr to 4.9/5.0 ghz at 1.200V+.

I think I'll switch my hero for a Taichi.. I'ved feed up with the hero.

Question. Would the Taichi fequire more or less voltage at the same settings?

Why would you do that??
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post #1389 of 1596
Because my G.skill 4266 kit won't go over 3400 mhz stable..
post #1390 of 1596
Isn’t It that your cpu’s mem controller won’t allow It tho get higher speed. Maybe your are at The max?
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