Interesting read regarding the updated LTPO panel in the S25U

[mlblack16]

This said significant improvements in brightness adjustment (despite the same nits as S24U), and improved touch sample rate, and power efficiency.

Samsung Is Using Its HOP 3.0 Displays For The Galaxy S25 Lineup, Which Utilizes Attributes From LTPO Technology And Improves These Panels Further; Here Is How

With the unveiling done, Samsung has revealed that it has equipped its Galaxy S25 series with the improved HOP 3.0 technology

wccftech.com

I don't know how accurate, but the user who posted this picture on X insists both phone's brightness settings are the same.

 

[Trail Boss]

Another HOP 3.0 article:
https://r2.community.samsung.com/t5...-Ultra-And-The-Online-Discourse/td-p/18071987