The fight is surprisinly close.

January has barely begun and we already have our first heavyweight smartphone battle of 2021. Samsung has released its lineup of Galaxy S21 phones a little earlier than usual this year, and it’s clear they have Apple’s newest phone in its sights. Samsung hasn’t reinvented the S21 as much as it’s retooled it to take on the iPhone 12, with a lower price point, sharper design, and some new camera tricks. 
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https://www.pcworld.com/article/3603447/samsung-galaxy-s21-vs-iphone-12-display-design-processor-memory-storage-os-android-ios-camera-price.html