Question Ryzen 7 5700X running hot despite NZXT Kraken X52 AIO – idle 50–60 °C, gaming up to 80 °C

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Vulcain

Vulcain

May 5, 2025
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Hi,

I’m concerned about the temperatures on my Ryzen 7 5700X. I’m using an NZXT Kraken X52 (240mm AIO) cooler, but even during light usage like university work or web browsing, the CPU idles around 50–60 °C. While gaming, temps go up to 75–80 °C.

This seems quite high for a 65W CPU with a liquid cooler.

My system:
CPU: AMD Ryzen 7 5700X (stock, no overclocking)
Cooler: NZXT Kraken X52 (240mm AIO)
Motherboard: MSI X370 Krait Gaming (latest BIOS)
GPU: NVIDIA RTX 3080
Case fans: the two front intake frome the Kraken; one on top for exhaust and one in the back
Power supply: Seasonic GM-850

I have already tried reapplying the thermal paste, reseating the cooler, and adjusting the fan curves and pump settings using CAM and FanControl.

Are these temps normal for this setup? Could there be a pump performance issue? What else could I try to improve thermals?

Thanks a lot!
 
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Welcome to the forums, newcomer!

You forgot to mention the make and model of your case. Is the Ryzen 7 5700x a recent addition or have you been working with this setup for a long while? If so, then it's possible that the radiator fins are clogged with dust/debris or your AIO's on it's way out with a failing pump or there's cavitation in the pump housing.
 
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It's one of the older NZXT cases, I think from the H Series, but I am not sure.

I recently upgraded my 7-year-old PC. I replaced my CPU with the Ryzen 7 5700X, added 32 GB of RAM, more storage, and the RTX 3080 is also new.

But the radiator is still old, as are the other parts, but I cleaned it a bit when I upgraded.
 
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Vulcain said:
It's one of the older NZXT cases, I think from the H Series, but I am not sure.

I recently upgraded my 7-year-old PC. I replaced my CPU with the Ryzen 7 5700X, added 32 GB of RAM, more storage, and the RTX 3080 is also new.

But the radiator is still old, as are the other parts, but I cleaned it a bit when I upgraded.
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Is radiator in top or front of case. How are you spreading the paste pea method isn't enough. Whole IHS must be covered for best cooling.

Idle should be 35-40 max 70c realisticly.

If pump is as old as 5 years that might be a sign of degrading pump.
 
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beyondlogic said:
Is radiator in top or front of case. How are you spreading the paste pea method isn't enough. Whole IHS must be covered for best cooling.

Idle should be 35-40 max 70c realisticly.

If pump is as old as 5 years that might be a sign of degrading pump.
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Radiotor is in front of the case. I applied some thermal paste and tried spread it evenly using a card, maybe it wasnt enough.
Thats what I thought idle is a bit to high.
and the pump is now 7 years old
 
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In CAM, do you have acces to the liquid temperature? NZXT coolers usually have this reading, but yours is pretty old so maybe it doesn't. But if it does, that could give you some hint. A too high liquid temp means that either the pump is not working properly or the radiator can't transfer the heat efficiently (could be a radiator or a fan issue). A too low liquid temp usually means that the heat transfer between the CPU die and the cooler block is not good.
 
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JayGau said:
In CAM, do you have acces to the liquid temperature? NZXT coolers usually have this reading, but yours is pretty old so maybe it doesn't. But if it does, that could give you some hint. A too high liquid temp means that either the pump is not working properly or the radiator can't transfer the heat efficiently (could be a radiator or a fan issue). A too low liquid temp usually means that the heat transfer between the CPU die and the cooler block is not good.
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yeah i can see it. When I'm running nothing its about 28-30°C and when I am gaming goes up to 40-45
 
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Vulcain said:
yeah i can see it. When I'm running nothing its about 28-30°C and when I am gaming goes up to 40-45
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Doesn't look too bad, but still on the high side (just like your CPU temps, by the ways: not critical, but not awesome either). During gaming the liquid shouldn't reach much more than 10° above room temperature. What's the temperature in your room? And you said the radiator is on the front of the case and the radiator fans are intake? If it's the case then your liquid should be cooler than that since the radiator is getting fresh air from outside the case. For example, my room temp is about 27-28°c and my liquid temp sits at 35-36 when gaming (but I have a 360mm radiator).

You could check your pump settings in CAM and make sure it's running at the highest rpm. You can also tweak your radiator fan curve to be more aggressive. If you set it with the liquid temperature instead of the CPU it would help maintaining a lower liquid temp. But unless your room is at something like 20°c there's nothing really concerning with those liquid temperatures. Your CPU could run a few degrees colder if you can lower it down, but you are already way below any critical numbers.
 
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