Johnpombrio said:OK Phazz, here is the result using Prime. the temps are actually lower. What test do you WANT me to run? The graph below shows the average temperature over a 20 minute stress test using Prime95 with the Blend preset. We found this test to be the best at visually displaying the performance of the coolers as it has the highest range of results.

Cooler Master Hyper 212 EVO V2 CPU Cooling System - Better

All tests were conducted in a temperature controlled room at a constant 21°C. All fan speeds were set to the BIOS default setting of "Normal", which worked perfectly as none of the coolers we tested had excessive noise levels. LGA1700, LGA1200, LGA2066, LGA2011-v3, LGA2011, LGA1156, LGA1155, LGA1151, LGA1150, AM5, AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1 What's more likely is that the temps in your system aren't being reported correctly and you're shortening the lifespan of your hardware. LGA1700*, LGA1200, LGA2066, LGA2011-V3, LGA2011, LGA1151, LGA1150, LGA1155, LGA1156, LGA1366, LGA775, AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1 It boils down to this. You need to dissipate around 200W of heat if you're running at 4.6 Ghz and your cooler has a TDP of 150W. You'll never get full performance out of a 9900k with your Hyper 212 EVO.

Well-balanced cooling performance provides fin optimizations with perfect balance between high and low speed operations. You should also get a program that watches the power draw. It should be 200W+. It might even be 225W. Personally I use Core Temp for that. You'll be throttling in any stress test with a Hyper 212 EVO on a 9900k. Even if you're running max fan speed. The performance of the Hyper 212 EVO is where it really shines, and is the reason why it is regarded as one of the best air coolers for the money. We have used various versions of the 212 for years so the results were not surprising at all. Test System Specs

Cooler Master Hyper 212 EVO CPU Cooler (2020) Updated Version Cooler Master Hyper 212 EVO CPU Cooler (2020) Updated Version

LGA2066, LGA2011-v3, LGA2011, LGA1366, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150, AM4, AM3+, AM3, AM2+, AM2, FM2+, FM2, FM1 EDIT: Oh and if you really wanna know which test to run. Prime95 "Small FFT's" is the one to use to push the CPU. If you use "Blend" you should run it till it's gone through all the tests to make sure. Exactly how long that takes I don't remember, but it's more than 30 mins. We performed a range of different tests to get a broad range of results. The software we used in these tests was 3DMark Time Spy CPU Test, Prime95 with the Blend preset and AIDA64 CPU+FPU which really puts the CPU cooler through it's paces with a heavy AVX based load. We also used Aida64 to monitor temperatures.