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I did't want to touche up in that subject because it is mostly based on what cooler you are using, But so far AMD Ryzen series has no thermal issues, AMD mostly has heat issues with there video cards but they have got it right with Ryzen.

thanks for the reply i havent built a pc in a while so the gpu is probs what i was thinking of

For video cards i do not suggest getting AMD, They run very hot unless you plan on watercooling them, hopefully they will fix there heat issues with the new vega series coming soon, thank you for your comment :)

i agree i loved my 980ti but i heare if youre x11 mining amd is the way to go