At the high end of this market, just about every nice TV series has a 55-inch size, and it's often the smallest in the line.
TL; DR: the 55-inch size offers more choice than any other.
OLED TVs are the picture quality kings, but they're not cheap.
It fell just a bit short of the C9 55 inch TV (below) in image quality in our tests, but the differences in picture quality are minuscule -- and since it's less expensive than the C9, it's a better value.
No TV I've ever tested offers this much picture quality for this little cash.
In my side-by-side tests, the C9 is the best quality TV I've ever reviewed, barely beating the 2018 models like the B8 (above), which is a superior value -- almost as good and much less expensive.
The LG 2019 OLED TV also has HDMI ports with 2.1 future-proofing that some high-end buyers, particularly gamers, desire.
This TCL 4-Series can't beat any of the models above on image quality -- its 4K resolution and high dynamic range (HDR) compatibility don't do anything to help the picture or color-- but it offers a fine viewing experience for most people, especially at this price.
The Q70R has an excellent picture and plenty of Samsung design and features goodies for a price that's relatively affordable, albeit not exactly "budget." If you're not interested in a TCL or Vizio and don't want to splurge to watch your content on an OLED, the Q70 is an excellent choice.
A note to gamers and people who need to connect a Blu-ray player or have lots of streaming devices, there are four HDMI ports and two USB ports.