The 4K version adds and a 2160p upscale (the film’s 2K digital intermediate means the 4K is an upscale, not native). However, the 1080p REMUX AVC has two advantages:

Kong: Skull Island features a thunderous sound design by Erik Aadahl and Ethan Van der Ryn. With a lossless track:

The "REMUX" wasn't just a file transfer. It was a bridge.

High-bitrate REMUX files (often 30GB+) offer a stable experience compared to 4K streams that might dip in quality based on internet speed. 🧭 Where to Stream (Standard Quality)