8.5 on Mac pro 4-core 2010 and Heat and more!

Hi, my Mac pro goes hot in Cubase 8.5, 80 Celsius, with no action.
In Logic its 45 Celsius, whats the problem in Cubase 8.5.
Anyone, the same in Win 7?

Anyone using Xeon 12-core and Cubase 8.5 in win 7?