View open tabs on other synced systems
Swipe between tabs
New tab screen is like the desktop version of Chrome, has panels of your most visited sites
Can’t set as system default web browser
have built-in web browsers, as do many other apps, so changing the default browser is almost irrelevant. Even if you don’t use Chrome on the desktop I would recommend Chrome for iOS. The UI is slick and it has an omnibar, those reasons alone are enough to move from mobile Safari.