I bought my TV because of the price of QLED TV. At the time I bought C716 50in, RM2199. The cheapest QLED TV at the time. Furthermore, it's an Android TV.

I don't like Tizen and LG software as it restricted app installation.

So, if I have the money: I choose Sony 65" X8000H at RM3800 from your list because of the Android TV and brand. LG and Samsung I am not interested because of their software.

Peak brightness is a "thing" nowadays which every reviewer talks about...to achieve better HDR image. But the ability for a TV to produce the brightest specular highlights at a very short period is going to cost you more money...a lot more money.
For general purpose viewing TV...just get a reasonable priced  TV with a good contrast and able to produce wider colour gamut...which I opt for TCL Qled TV.

Unless you always watch 4k UHD movies with 1000 to 4000 nits peak brightness graded movies (which only a handful of movies have such property), then you can get a better TV like Sony A90J.

I was considering the X80H and TCL C716.
In the end, I bought Sony because it's cheaper by RM 300.

I was waiting for Sony 55” X90H for a few months and it was always out of stock. Best price I can find is $3,599. Main reasons are good review of picture quality and was rated top reliability in some US surveys.

Note: My LG got panel problem only after 2 years watching right after warranty period expired. Cost 1k++ to fix and decided to forget about fixing. Nowadays TV start having problems within 2 to 3 years. This is according to TCL technician. You should consider buying extended insurance if you decided to buy expensive TV.

Saw a review on brand reliability and came to conclusion that the higher price you paid, the more reliable the TV. So much for brand reliability... OLED basically top rated in term of reliability (paying top dollar also) regardless of which brand (top end Samsung QLED models included). Simple logic: more money you paid, more QC/QA will be done by the brand.

Main reason I bought TCL QLED 55” is the pricing: RM2,933 + 10% Shopee coins.

TCL Service took back the TV to fix due to slightly bend/curve screen... Hmm... should have bought the Sony instead.

After using Android TV for while, there is no going back to LG... LG/Samsung are just too restrictive like using iPhone. Now that I had jailbroken and saw no reason to be back to jail again...