Doey RTX HD is a realistic ray tracing pack for the bedrock version. The textures are in 256 and some in 512. There are also addons to customize your pack.
Select version for changelog:
Changelog
Added blocks from version 1.17 part 1 and 2.
Addition of addons: Kelly's Thicker fog, mirror on dried kelp, very colored glasses, smoother grass.
My laptop got destroyed due to low storage, so i can't play minecraft, but pretty neat pack tho.
Give luck to my laptop.