Help Buying new 4k Tv for Gaming

Hi can anyone tell me if can if 55” OLED S93D 4K Smart AI TV (2024) is a good tv i will mainly use it for gaming on xbox series x and pc second and movies now and again i am not a competitive gamer its specs say 100Hz (Up to 144Hz) refresh rate but online says 120Hz is best for gaming is that still good my current tv does only 50Hz.

Also i am in the uk if anyone wants to suggest a good tv would be also welcomed info is i preferably it be another Samsung I will have £1000 at end of the month saved for it and my current tv is a 50 Inch UE50CU7100KXXU Smart 4K UHD HDR LED TV (2023) looking for something better with better sound and visuals if can within price range model dont mind as long as good and better than what i got also has plenty of HDMI 2.1 ports.

Light levels if helps in my room ide say medium light as i am in a medium room window is on bottom right corner south side of my room facing to the north side is about 46 inches wide at 6 inches depth in the wall.

Tv will be on left corner along left side wall to hide from most of the sun shining on it hate sun glare witch is also partly blocked for part of the day by the attached house i share my room wall with going ide say 100 inches past the house so blocks some light.