omega44-xt
Gear up ...
For Panasonic GX750 55" at my parents' place, I found its 1080p to 4K upscaling to be pretty good. For 720p videos, its still decent, but you can notice that it's of lower quality. 720p vs 1080p looks like a relatively more noticeable difference against 1080p vs 4K for online streaming. 480p doesn't have enough info, so doesn't look great.Could you also tell about how the 1080p content looks on 55" 4K TV? How is the quality of picture on Netflix/Prime?