(Tech support) Poor GPU performance

[Shady Android]

I recently installed a new CPU AIO (Corsair H100i RGB XT Pro) on my build that is less than 2 months old. With stock AMD cooler I would get really good frames in most games with ultra settings. 60+ on Assassin's Creed Origins, 300ish on Minecraft, but since installing the new AIO the overall performance in games has dropped significantly. The changing of the coolers has been the only change in the system since the performance drop.

MB: Asus B-450 F

CPU: Ryzen 3600

GPU: Gigabyte RTX 2070

Ram: 16GB @ 3600hz

PSU: 600 watt 80+ bronze

[191x7]

Temperatures?

[Shady Android]

Since the aio install cpu has not gone over 65 C and the gpu while in game will be around 70-80 c

[SupaKomputa]

2 minutes ago, Shady Android said:

gpu while in game will be around 70-80 c

Increase the gpu fan speed.

[191x7]

Latest AMD Chipset drivers? Latest bios?

[Shady Android]

2 hours ago, BlueScope819 said:

Do you have cooling on the VRMs? What are the VRM temperatures? How hot are they to the touch? Send a picture of the card and how you have everything mounted.

VRMs are kinda warm

Two corsair fans in front of the radiator(mesh front panel), nocutua NF F12 below the rad. Two exhaust fans in the back that came with the case, one of them is currently not plugged in, cord not long enough.

[Shady Android]

1 hour ago, 191x7 said:

Latest AMD Chipset drivers? Latest bios?

I updated everything about a month ago, but ill double check.

[Shlouski]

CPU clock speeds are major factor in gaming performance, run something like cinebench and see what your cores are running at.

 

Temps seem fine, so it should be clocking up, maybe something else is going on. Check if your motherboard has sensors on the cpu vrm's, there's a small possibility that a loss of airflow over the vrm's could be causing issues.

[AngryBeaver]

If the vrms were overheating he would see it in cpu clocks as the voltage is cut to reduce vrm temps. He can just run his game with drops and run something to monitor temps and clocks... watch for dips to determine the potential offender 

[Fuzzyy]

This is a result of bad airflow setup. You are introducing only warm air to this system. CPU warms up the liquid inside the radiator therefore you push warm air in your case. Try mounting your AIO on top if you have space, you will see significant drops in your GPU temps. CPU temp might increase by 2-3C.

 

What is your case model/brand?

 

[Gohardgrandpa]

Put the aio cooler at the top of the case and have it exhaust out. You have room to do it with lower profile ram. 
 

You only have 1 exhaust fan and 3 intake fans, your not getting the hot air out of your case. 

[AngryBeaver]

7 hours ago, Fuzzyy said:

This is a result of bad airflow setup. You are introducing only warm air to this system. CPU warms up the liquid inside the radiator therefore you push warm air in your case. Try mounting your AIO on top if you have space, you will see significant drops in your GPU temps. CPU temp might increase by 2-3C.

 

What is your case model/brand?

 

Just for the record the air temp difference between intake and exhaust is only a few C. So the "hot air" he is introducing might raise gpu temps 2c. Radiator placement isn't a major concern as long as you have proper air flow. Ao enough intake/exhaust with a flow path that makes sense.

 

All of this though is speculation until he records his fps, clocks, temps, voltage, etc while playing. Then just posts us a screenshot of the graph. 

 

There are too many factors at play here and proper information is needed to narrow down potential areas of concern.

[Shady Android]

8 hours ago, Fuzzyy said:

This is a result of bad airflow setup. You are introducing only warm air to this system. CPU warms up the liquid inside the radiator therefore you push warm air in your case. Try mounting your AIO on top if you have space, you will see significant drops in your GPU temps. CPU temp might increase by 2-3C.

 

What is your case model/brand?

 

Cooler master NR600 with mesh front

[Mister Woof]

another reason to skip AIOs IMO

 

In most cases, you're either compromising intake air temperature (intake configuration) for VRM/GPU, or exhaust flow + CPU temperature (using hot air to cool the rad and having the rad function as exhaust)

 

 

[Fuzzyy]

3 hours ago, Shady Android said:

Cooler master NR600 with mesh front

You can mount your rad on the top, your case supports it. Also, test your system with your side panel off and on, if you see performance difference go for a top mounted radiator.

[Shlouski]

4 hours ago, Shady Android said:

Cooler master NR600 with mesh front

Have you check your cpu clocks?

[Fuzzyy]

4 hours ago, AngryBeaver said:

Just for the record the air temp difference between intake and exhaust is only a few C. So the "hot air" he is introducing might raise gpu temps 2c

You are right. But that 2C difference can thermal throttle the GPU and drop its clock speed. He stated GPU temps as 70-80C, which is very close or above the threshold where gpu drops down clocks. But also this threshold varies between gpus.

4 hours ago, AngryBeaver said:

There are too many factors at play here and proper information is needed to narrow down potential areas of concern.

I agree, we need more information to conclude what the problem is. In my system mounting my rad top solved the issue.

 

EDIT: Also he stated this performance issue occurred after he installed the radiator so this might be sign of the rad heating up inside the case and warming up the gpu.

[Shlouski]

15 minutes ago, Fuzzyy said:

EDIT: Also he stated this performance issue occurred after he installed the radiator so this might be sign of the rad heating up inside the case and warming up the gpu.

I'm doubtful it's a gpu problem, but I agree we do need more info.

 

It would be very helpful if he could stress test his cpu and check how its performing, he could also do the same for his gpu and let us know what the results are.