Also bear in mind that P95 does have different levels of "difficulty" depending what stress test mode you set it to, so this can change the heat output. Seems strange for the CPU to come off 100% ...
...without being run in Windows? I have a bootable USB drive with the latest Hiren's on it, and I'll be running memtest86+ overnight to test my RAM, but I don't know of any program for stress testing ...
UPDATE: MediaTek has issued a statement refuting the claims that the Dimesity 9300 extensively throttled performance to manage temperatures. It says the test is flawed and that thermal throttling ...