My PC Cooler RT620 ARGB can't seem to handle Elden Ring combat, causing massive clock drops. Why?

During intense Boss fights, my frame rate would randomly tank from 60 FPS down to 42 FPS, and that choppy feeling was driving me insane. I checked HWiNFO and saw the RT620's heat pipes were hitting peaks of 88-94℃ under full load, triggering a brutal thermal throttle. I initially tried undervolting in the BIOS to cut the heat, but while temps dropped by 3℃, I actually lost about 5 FPS overall—a total waste of time. I ended up ripping the cooler off and swapping to a high-end 14W/mK thermal paste, then manually slammed the fan curve to 100% once it hit 75℃. In AIDA64 stress tests, the peak temp plummeted from 94℃ to a steady 74-80℃, and my clocks finally locked in at 4.6GHz. To be honest, the fans sounded like a jet engine taking off at first, but after tweaking the start speed to 600 RPM, it hit a sweet spot. With CPU load around 82%, the heat clears out instantly. Monitoring tools confirm the heat soak is gone, and frame times are now rock steady at 5.1-16.4ms.