Hello Chris, I have attached links below to the specifications of each unit.
https://www.samsung.com/us/televisions-home-theater/tvs/uhd-tvs/75-nu7100-smart-4k-uhd-tv-un75nu7100fxza/?redir=UN75NU7100FXZA#specs
https://www.samsung.com/us/televisions-home-theater/tvs/premium-uhd-tvs/75--class-nu8000-smart-4k-uhd-tv-un75nu8000fxza/?redir=UN75NU8000FXZA#specs
^Britt