If you have never seen the Special Edition, the 4K version makes the "Sentinel Gun" scene a highlight. The sentry guns counting down their ammo counter ("...150...100...50...0") while mowing down waves of Aliens off-screen is terrifying, and in 4K/HDR, the digital ammo counter overlay is crisp and legible.
The gritty, grainy 1980s texture is mostly gone, replaced by a "super clean" look that makes the film appear as if it were shot on digital cameras yesterday. aliens 4k uhd