Yes I know that the Intel's ones come without coolers... This is what I like about them. They sell without heatsink forcing you to buy something good.
I owned a 8600K bcak in the time with Corsair H115i AIO....
I was very happy with it 20c idle - 55c on heavy games.
I only sold it because I needed money and then gave a try to Ryzen 5 2600 @ Stock cooler.
Was quite happy with 2600 but the 3600X caused me headaches
The fan was becoming so noisy every 2-3 seconds then become quiet.
Each time I try to open anything, browser, folder, any application, fan start to run on high speeds.
Causing me headaches
I guess I'd better go with Intel again