Get a mini led if you can't afford an oled. Also factor in freely. The difference is night and day.
I got
https://uk.hisense.com/products/tv/u...00000020013346
To replace an old Hisense H55B7100UK
I knew the new tele could outperform the old set but the proof was evident when I put zero dark thirty on, the blacks were amazing compared to grey blocks, awful.
I haven't touched a Samsung since plasma days. LG software is slow. Panasonic were the brand to get during plasma days, I'm not sure now. I was surprised to read TCL run android but the brand doesn't fill me with confidence. Bush, Toshiba, na.
Hisense with your budget. Sony if you can blow the budget.
I don't game. Sorry I can't help you there.