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Post your Ryzen VRM temperatures

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zeroprobe

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Discussion starter · #1 ·
I've had issues with VRM temperatures, going over 120c.

1700 @3.9ghz 1.31v - Gigabyte Gaming 3

I use a 240 AIO cooler which I guess is not providing any air flow to the VRMs like a stock cooler would.

I've therefore had a VRM fan duct 3D printed which seems to be working well for me.

Test using Premiere video exporting

With VRM duct + 140mm Fan (1/2 speed) - 81c max
Without VRM duct - 110c and climbing !





120mm VRM Duct - http://www.thingiverse.com/thing:1492961

Modded to

140mm x 55mm Duct - http://www.thingiverse.com/thing:2208560
140mm x 40mm Duct - http://www.thingiverse.com/thing:2208591

Download the latest HWinfo beta to check your VRM temperatures.
https://www.fosshub.com/HWiNFO.html
 
#2 ·
I have the same Mobo and a 1700.
Using an H80i in the rear mount with one fan in pull with the other fan pulling in the top of the case
I hit 79C at 3.72GHZ 1.265V in prime95.
Using the spire it only reached 61C ish on the VRM but the cpu was cooking at 85-90C
Is there any info on the vrms max operating temp for this board?
 
#3 ·
Well it seems to be an issue with all B350 boards once you go up in voltage and don't have airflow. How's your airflow otherwise?

I believe you posted a similar post on OC UK.

Responses from OCUK
re: B350 Tomahawk
"if i push 3.7+ with anything above 1.35v+ start seeing high 80's + 90's this was similar results of the asus b350 prime board too " Zen thread at OC UK
"Like you 4ghz at 1.4v was sending VRM over 125C. MSI Tomahawk B350."

"Gigabyte AB350m Gaming 3, thankfully I had an old Antec Spot Cool laying around and fitted that, under stress now, the VRM's dont go over 80oC, only reason ive not pushed beyond 3.9ghz, is I cant get a straight answer out of how much voltage is going to my chip, my bios says 1.225v and AIDA64 says 1.36v, you dont want to know what hardware info says, and CPU-z just doesnt work because im running RAID."

"Most I've seen was 116c on my ab350 gaming 3, as reported by easytune software. 3.9ghz 1.46v encoding video for around 45 mins or so, if it had run longer the temp might get higher still. But this is with all my case fans at full blast though so it sounds like a plane taking off. "
 
#4 ·
Quote:
Originally Posted by zeroprobe View Post

... I've therefore had a VRM fan duct 3D printed which seems to be working well for me.

Test using Premiere video exporting

With VRM duct + 140mm Fan (1/2 speed) - 81c max
Without VRM duct - 110c and climbing !





120mm VRM Duct - http://www.thingiverse.com/thing:1492961

Modded to

140mm x 55mm Duct - http://www.thingiverse.com/thing:2208560
140mm x 40mm Duct - http://www.thingiverse.com/thing:2208591 ...
Click to expand...
I take my hat off to your clever solution sir!
thumb.gif
 
#5 ·
I just strapped a 70mm old AMD cpu fan to mine VRM on the Gigabyte GA-AB350-Gaming 3. Reaching max around ~80 when I was trying 4Ghz but it wasn't IntelBurntest stable with max vcore the motherboard could deliver, +0,300Volts (cpu-z said 1.488)

With something in the 3966Mhz It just reaches about ~70(edit 82C) for the moment. Seems this board is maxed out.

I never did try much clocking without that fan strapped. So they could reach north of 100C...
thumb.gif
 
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#6 ·
Quote:
Originally Posted by AlphaC View Post

Well it seems to be an issue with all B350 boards once you go up in voltage and don't have airflow. How's your airflow otherwise?

I believe you posted a similar post on OC UK.

Responses from OCUK
re: B350 Tomahawk
"if i push 3.7+ with anything above 1.35v+ start seeing high 80's + 90's this was similar results of the asus b350 prime board too " Zen thread at OC UK
"Like you 4ghz at 1.4v was sending VRM over 125C. MSI Tomahawk B350."

"Gigabyte AB350m Gaming 3, thankfully I had an old Antec Spot Cool laying around and fitted that, under stress now, the VRM's dont go over 80oC, only reason ive not pushed beyond 3.9ghz, is I cant get a straight answer out of how much voltage is going to my chip, my bios says 1.225v and AIDA64 says 1.36v, you dont want to know what hardware info says, and CPU-z just doesnt work because im running RAID."

"Most I've seen was 116c on my ab350 gaming 3, as reported by easytune software. 3.9ghz 1.46v encoding video for around 45 mins or so, if it had run longer the temp might get higher still. But this is with all my case fans at full blast though so it sounds like a plane taking off. "
Click to expand...
No surprise. I 've repeatedly written that my impression is that should Zen2 clock higher, current B350 owners will have to buy new motherboard. For the VRM they offer, they are overpriced. They cost up to 120 EUR and they have only 4 phases for the CPU. A 1800X is close to the power draw of FX8350. 4 phases are pretty much near their limit there. In AM3, with 75 EUR you could get the UD3P with 8+2 phase (with doubler) that could go to 4.5Ghz (around 200W TDP) and with 100 EUR the ASUS Aura that with extra cooling could go 5Ghz. Huge power draw. With B350s, it seems that they 've put the minimum VRM they could and the extra money you pay goes for LEDs, paint and plastic shrouds.
 
Discussion starter · #7 ·
Quote:
Originally Posted by Nighthog View Post

I just strapped a 70mm old AMD cpu fan to mine VRM on the Gigabyte GA-AB350-Gaming 3. Reaching max around ~80 when I was trying 4Ghz but it wasn't IntelBurntest stable with max vcore the motherboard could deliver, +0,300Volts (cpu-z said 1.488)

With something in the 3966Mhz It just reaches about ~70(edit 82C) for the moment. Seems this board is maxed out.

I never did try much clocking without that fan strapped. So they could reach north of 100C...
thumb.gif
Click to expand...
What did you use to fix it to the heatsink?
 
#8 ·
Quote:
Originally Posted by zeroprobe View Post

What did you use to fix it to the heatsink?
Click to expand...
Just some wire/tie through one of the fan screw holes and twisted around one of my cpu water block screw mounts to hold it in place.
 
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#9 ·
Quote:
Originally Posted by Undervolter View Post

No surprise. I 've repeatedly written that my impression is that should Zen2 clock higher, current B350 owners will have to buy new motherboard. For the VRM they offer, they are overpriced. They cost up to 120 EUR and they have only 4 phases for the CPU. A 1800X is close to the power draw of FX8350. 4 phases are pretty much near their limit there. In AM3, with 75 EUR you could get the UD3P with 8+2 phase (with doubler) that could go to 4.5Ghz (around 200W TDP) and with 100 EUR the ASUS Aura that with extra cooling could go 5Ghz. Huge power draw. With B350s, it seems that they 've put the minimum VRM they could and the extra money you pay goes for LEDs, paint and plastic shrouds.
Click to expand...
They got the LED message but MSI + Asrock didn't get the memo that USB 3.1 Gen 2 is part of the B350 chipset.
rolleyes.gif


Anyhow they probably figured that people using the stock cooler won't try to push past 3.8GHz @ 1.25V.
 
#10 ·
Prime 95 temps ( C ) @ 70 F ambient 1800X MSI Titanium - as measured by hwinfo Heatsinks have direct air flow and were cool to the touch.

Stock low 30's

4 ghz 1.36 volts under load ( all auto cpu voltage and llc settings) 46 average 49 maximum - Stopped test
4.1 ghz 1.424 volts 48 average 51 maximum 1 Hr+ - Stopped test
4.125 ghz 1.432 volts 50 average 54 maximum * 30 mins* stopped test
4.150 ghz 1.440 volts 48 with 52 maximum - chickened out for fear of damaging the cpu after a 5 minute run.( i mean that darn thing is $500 lol )
tongue.gif
 
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#11 ·
Quote:
Originally Posted by AlphaC View Post

They got the LED message but MSI + Asrock didn't get the memo that USB 3.1 Gen 2 is part of the B350 chipset.
rolleyes.gif
Click to expand...
Don't worry. Next year, they will release rev2.0 with USB 3.1 Gen2. Asrock in AM3+ sold the 970 Extreme3 without USB3 header. About 2 years later, they added 1 capacitor on the motherboard and 1 USB3 header and sold it as "rev 2.0". It's a long tested practice: "sell the crap to early adopters, wait till they realize that their board is substandard, sell them the normal thing next year".
biggrin.gif
 
#13 ·
Quote:
Originally Posted by SteelBox View Post

Can someone post VRM temperature for Asus X370 Prime? I was thinking of getting Gigabyte B350 gaming 3 with R5 1600 but reading this about high VRM temp I am not so sure anymore...
Click to expand...
I have this board, I don't seem to have a VRM temp reading anywhere. However I can say that @ 1.425v the heatsink stays nearly cool to the touch.
 
#14 ·
SORRY TO SAY THIS...BUT AMD in a Nutshell ! ( i mean Jesus Christ... my 4 year 4670K (roughly the same performance as a stock i7 6700 (reach TOP 61C at @4.5Ghz)
 
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#18 ·
https://forum-en.msi.com/index.php?topic=286453.0

My personal temps seem to be 40C doing normal youtube and stuff and 55-60C during gaming and 65-68C during several benchmarks this is with 1.225V and 3.7Ghz using 1700 and Kraken X61. This is with 3 Noctua NF-F12 fans and 1 Noctua NF-A14 fan all as exhaust and i'm using the X61 in the front of my case at 40% usage only. To note my CPU itself runs super cool its the board that runs hotter i never had this happen to me before but i'm a little new to overclocking.
 
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#19 ·
Asus Hero, 1700 cooled by AIO.
1.35V 3.9ghz 25C idle, 45C 30mins of realbench.
 
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