AMD FX-8350 overheating

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DiabloGo25

Commendable
Sep 7, 2016
2
0
1,510
hello, my configuration is composed by:

CPU: FX 8350 4Ghz (not oc)
MOBA: asrock 970 extreme 4
Heatsink: noctua NH-U9B

I noticed that after 5 minute of gaming (in every single game) i have some serious frame drop (from 90fps to 30fps in Battlefield 1) and this thing is repeated every 5-10 seconds

I went to check the CPU temperature, it's around 20-30c when idle and it goes to 57c under stress and after 57c the CPU reduce its performance and back to around 45c (in this moment i have the fps drop)

I have already change the thermal paste on the heatsink and my pc have a really good ventilation.
I also went to control the voltage on the BIOS and seems all ok.
 
Solution
n0ns3ns3
the issue is 99% with the morherboard.
The VRM is getting too hot and reduces the power delivery which results in the CPU reducing the clock.
The VRM is located under the small heatsink between the CPU and rear I/O panel.
If you have some kind of tower cooler which do not provide airflow on the VRM, the problem only gets worse.
You can try to mount a fan that will blow on that area.
Future advice - don't ever buy asrok :)
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n0ns3ns3

n0ns3ns3

Illustrious
May 25, 2016
8,065
4
42,715
the issue is 99% with the morherboard.
The VRM is getting too hot and reduces the power delivery which results in the CPU reducing the clock.
The VRM is located under the small heatsink between the CPU and rear I/O panel.
If you have some kind of tower cooler which do not provide airflow on the VRM, the problem only gets worse.
You can try to mount a fan that will blow on that area.
Future advice - don't ever buy asrok :)
 
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Solution
D

DiabloGo25

Commendable
Sep 7, 2016
2
0
1,510


Thanks man, i already have a fan that blow directly that side. i'll go for another moba. do you have some advice ?
 
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n0ns3ns3

n0ns3ns3

Illustrious
May 25, 2016
8,065
4
42,715
I have little experience with AMD CPUs/MB, so here are some boards suggested in a similar thread
Asus m5a97 r2 (not the le version) - you can't go wrong with Asus. Look at the large heatsink over the VRM.
Other spare options that have double the number of power phases:
Gigabyte 970a-ud3p
MSI 970 gaming - up to 200w CPUs
 
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