Samsung's 108MP ISOCELL Bright HMX sensor was announced in August and as the first phone to use is already on sale, the company published a post detailing the advanced features built into the sensor. The ISOCELL name refers to a barrier that separates neighboring pixels, preventing crosstalk. The 108MP sensor is ISOCELL Plus, which swaps the metal barrier for a different material that minimizes optical loss and light reflection. This is Samsung's first sensor to feature dual Native ISO, a feature the company calls Smart-ISO. Every sensor performs some level of analog amplification...
Source: https://www.gsmarena.com/samsung_details_the_features_of_its_108mp_isocell_bright_hmx_sensor-news-40631.php
