High temps with AMD FX 8350 and Cryorig H7

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Hamsalad

Hamsalad

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I recently installed a Cryorig H7 to my FX 8350 and used a small pea sized dot of AS5 thermal compound and I still get the same temps that I was getting with the stock CPU fan and thermal paste (around 20c idle and jumping up to 70c at times while gaming mainly Overwatch) I just installed it this morning and I seem to be getting a little better temps with the side panel off of my case (same idle but around 63-65c gaming) im just curious as to why my temps are still the same if not worse (with the stock fan I never saw it hit 70c)

My setup: https://pcpartpicker.com/user/aStevens04/builds/

 
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VIVO-US

VIVO-US

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Feb 1, 2017
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Try pulling the cooler back off and checking the paste. Does it appear to be thin and evenly distributed, or does there appear to be a thick area where the base may not be making good contact with the CPU?

With the cooler in place, is it possibly resting on any components on the motherboard that would prevent good thermal contact with the CPU? I installed a DeepCool Gammaxx 300 in my home PC last year (another tower cooler, so similar design), and even though I couldn't see it at first, it was resting on a low solid capacitor close to the CPU and was making poor contact. After some quick remounting, it fit perfect and keeps things nice and cool.

The FX8350 is also a very hot CPU, so you may see some high temperature spikes even with everything fitting and working perfect.
 
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Hamsalad

Hamsalad

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Hey thanks so much! Upon further research I found a lot of different posts about this Mobo not being good for the CPU and you were also replying on another similar question! I will look into buying a new one now! Thanks a ton!
 
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Bo Lee

Bo Lee

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Jun 17, 2015
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What about a M5A78L/M-USB3 Asus board? I have the same processor and I have been running into heating issues with my CPU getting up into the mid 80s and the PC shutting down. It has been happening on next gen games like Mass Effect Andromeda and Fallout 4. I played ME3 all the way through without a hiccup. I was thinking I needed to upgrade my cooling, but I am wondering if maybe it might be the board. I have read that it can run hot. I was thinking about getting a Gigabyte GA-78LMT-USB3 Do you think it will cool better?

If not that one, can you recommend a decent AM3 Micro ATX board that isn't too expensive?
 
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Hamsalad

Hamsalad

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I picked up an ASUS Sabertooth 990FX mobo on amazon. You can't really find them new anymore, I found one for 149.99 which is a steal and it's pretty much fixed all of my high temp issues. I paired it with the cryorig h7 and I rarely see temps in the 50's Celsius anymore. I would suggest a better mobo and aftermarket cooling either air or liquid

 
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Supernova1138

Supernova1138

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Mar 22, 2011
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There is no MicroATX board that can handle the power draw of the FX 8350 adequately. If you can't do full ATX due to case restrictions, you're either going to need to look at a new case, or start saving up to move to a more modern platform and leave AM3+ behind.
 
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Bo Lee

Bo Lee

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I am not sure about that. The FX8350 uses 125 watts. The Gigabyte one listed will do 125 and the Asus one will handle 140. Both say they support that processor and I see a lot of people using the Gigabyte combo.
I am just asking about the heating characteristics of them. I have heard that the Asus one runs hot due to a lack of heat sinks but the Gigabyte one has heat sinks and supposedly cools better.

I am not having issues with my Asus board with power, I am having issues with it running too hot.
 
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Supernova1138

Supernova1138

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The motherboard vendors claim that their low end boards will support the FX 8350, but put the CPU under heavy load under anything less than the ideal conditions (top down blower cooler, low ambient room temperature, very good case airflow) and you will likely run into throttling. With these boards aftermarket CPU coolers actually make things worse as most of them don't provide additional airflow over the VRMs. The GA-78LMT-USB3 is at best only borderline capable of running an FX 8350, some people have had it work okay, others have had problems. If you have a closed loop water cooler, tower heatsink or run the PC in a hot room, you're more likely to run into throttling.
 
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Bo Lee

Bo Lee

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A tower heatsink more likely to run into throttling? Why would that create an issue? The fan should draw the same shouldn't it?

Would I be better served with a GA-970A-DS3P instead? It is a regular ATX and has that 970 Northbridge.
 
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Supernova1138

Supernova1138

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Tower heatsinks don't blow air down onto the motherboard, so the VRMs don't get cooled. It's not the CPU that's overheating with these cheap boards, its the VRMs that provide power to the CPU. The weak VRMs on the cheap boards overheat, and the voltage to the CPU drops, causing the CPU to throttle. The DS3P isn't that great either, the cheapest Gigabyte board that is decent is the GA-970A-UD3P, if you can find one now.
 
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Bo Lee

Bo Lee

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What about the ASRock 970A-G/3.1? Their specs say it can handle up to 220 watts CPU power, so that should be more than enough. The specs look really good on their site, but I haven't seen too many people using it, but it is a good price, especially if it is what they claim it to be.
 
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Bo Lee

Bo Lee

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Thanks for the input. Not too familiar with that brand, but the pictures of it look like it is pretty solid built.
 
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VIVO-US

VIVO-US

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ASRock is a good brand. They may not be quite as well known as some of the other brands, but they do make some nice motherboards.
 
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Bo Lee

Bo Lee

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Good to hear. I have it ordered and it will be here Friday.
 
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Bo Lee

Bo Lee

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I got the Asrock board in and installed it last night and sure enough, no problems at all with the next gen games anymore. My app still shows the CPU getting fairly hot, but it isn't crashing the PC. It must have been the MB itself that was crashing before. Could have been the fact that the socket wasn't putting out the voltage as advertised, this one here can go up to 200 watts I believe, so I am good now.
 
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Bo Lee

Bo Lee

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Good to know. I went ahead and ordered it and will have it Friday.
 
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