Like which operating system it runs and the user interface and what the remote is like and how big the bezels are and how good the sound quality is and how many hdmi ports it has… Like if you care about some specific detail make sure it has the thing you want or doesn’t have a version you hate
50 degrees is a damn good temperature. I won’t stand here and let you besmirch 50 degrees.
Its not the “perfect” temperature but what temp in celcius is “perfect”? What a ridiculously proposition that there’s a perfect temperature.