Ro: "Fast charging to the rescue!" If we were discussing this three or four years ago, I would definitely tell you that thicker phones with bigger batteries are better. But things have changed since then. First, the battery density has increased significantly and now every mid-range device carries at least 3,000 mAh of charge, which should get you through the day without a sweat, unless you are a power user, of course. Secondly, semiconductor technology has reached new heights. A few years back, devices used chips based on the 28nm manufacturing process whereas now, TSMC is...
Source: https://www.gsmarena.com/sunday_debate_bigger_battery_or_slimmer_phone-news-31590.php
