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SCDUDE2021 - The 75" QN84A is a Best Buy exclusive model which features 40 Watt 2.2 Channel sound, as well at Object Tracking Sound Lite that virtually tracks objects moving across screen and products sound. The QN85A features 60 Watt 2.2.2 Channel sound with Object Tracking Sound that adds two height speakers to provide you with 3D sound with dedicated speakers that track every movement on the screen. ^Gina
Sorry, there was a problem. Please try again later.Both models are 120Hz - 240Hz doesnt exist at the moment, but motion rate 240 = 120hz. Looks like audio features are the only difference
Sorry, there was a problem. Please try again later.I just reached out to Samsung and it's the motion rate. The QN85A has 240 Hz and the QN84A has 120 Hz. To put this in perspective, the QN80A has a 240 Hz motion rate. This helps get rid of the blur which can be seen in fast paced scenes in movies and sports.
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