Whose better Floyd Mayweather or Mike Tyson?

Mike is an easy pick. 

Mike Tyson is Better.

Floyd had the better career and arguably fought and beat more world class fighters than tyson. 

Derek Chauvin would've killed both of them with his knee on their necks,

with their hands handcuffed behind them, laying on the ground with three other officers kneeling on their backs. 

Tyson is a better  champ  he'll knock you out floyd has brittle hands compared to tyson

Tyson has a much richer legacy. 

Tyson is better because he has a video game.

Tyson's only boxing achievement that surpasses Mayweather's is he was undisputed.  So Floyd Mayweather is the answer.