High temperature issue with the Ryzen 7 5800X
High temperature issue with the Ryzen 7 5800X
Hey there! I recently upgraded my setup to a R7 5800X, but since then I've noticed consistently high idle temperatures (around 55-62°C) and it would spike to nearly 90°C under load. I've tried tightening the cooling components, reapplying thermal paste, turning on eco mode, disabling PBO, and even swapping the cooler—nothing seems to make a difference. I'm planning to switch to a Noctua NH-U12A cooler, hoping it'll help. In the meantime, I locked the CPU at 4.4GHz and lowered the voltage to 1.125V, which slightly improved temperatures, dropping idle to about 49°C and full load to 80-85°C. I'm still unsure what's happening, especially since I'm new to Ryzen. Any advice would be greatly appreciated!
System details:
- CPU: Ryzen 7 5800X @ Stock MB
- Motherboard: MSI X570 Tomahawk (7C84v14)
- Cooler: Arctic Freezer 34 Esports - Arctic Liquid Freezer II 240mm Rev 3
- Thermal paste: Thermal Grizzly Kryonaut & Arctic MX-4
- GPU: RTX 3060 Ti
- Case: Phanteks P500A dRGB
If you're investing heavily in the U12A, it might be wiser to opt for the NH-D15 which offers comparable pricing. The AF 34 Esports falls short slightly in size and lacks the airflow to the VRM area that stock coolers provide. This is likely the main limitation of any tower or liquid cooler—ensuring proper airflow around the VRMs is essential. For the ALF II 240mm, double-check that the pump is functioning correctly. This cooler should handle a 5800X effectively.
The 5800x appears to be generating a lot of heat due to its design. It requires significant airflow support. I’d recommend the NH-D15 instead. I already own one at home and am planning to test it soon. It’s a high TDP processor with fewer cores, so it will be fast but very hot. Make sure your case fans are directing air correctly and use a powerful cooler. It’s expected to run hot, but that’s normal.
The VRM at load = "nice and cool", what was the specific temp? Cpu and VRMs share heat through the mobo tracings. that's just an fyi. If you have the AIO out and using the Esports, try plugging the pump into a fan header and stick the pump to your ear and see if you can hear it turning or making a strange noise. It should be quiet, but audible. If you hear crunchy grinding or anything other than a smooth whirl of the pump, it's probably shot. And if you hear nothing at all, the pump is probably shot.
I've noticed some discussions online about possible reasons for the issue, such as only one fully enabled ccd or an overly aggressive mb boosting algorithm. I'm not considering the d15 since it's significantly more costly in my region and could affect my RAM performance.
It seems the U12 could handle it, especially with strong support fans and undervolt settings. I don’t expect overheating much. From what I’ve noticed, there’s more discussion about the CCD problem than about boosting. I’m planning to work with a L12S and see how it performs. It’ll be fascinating to discover what’s really causing the warmth.
I haven't noticed temperatures exceeding around 70°C. Actually, I didn't pay much attention to that, I just wanted to avoid the CPU overheating. The pump is working properly and the fans are fine too—no unusual sounds. This cooler uses a single connector for both the pump and fans. I'll bring it back tomorrow because the mounting hardware was damaged when I removed it.
For your sake, put a fan on the left side of the CPU. If you can't install one there, prop the case onto its back and put it down. Check if this improves your cooling. If you're unsure about placement, snap a photo and I'll highlight the spots where fans can help boost temps until you find a better cooler.