iPhone 12 Pro Models Have 6GB of RAM, iPhone 12 and 12 Mini Remain at 4GB - MacRumors

iPhone 12 Pro and iPhone 12 Pro Max models are equipped with 6GB of RAM, while the lower-end iPhone 12 and iPhone 12 mini models have 4GB of RAM

iPhone 14 Series Leaks and Rumors: Everything We Know About Apple's 2022 Lineup « iOS & iPhone :: Gadget Hacks

How much RAM memory is used in an iPhone 11 and an iPhone 11 Pro? - Quora

First Impressions From New iPhone 12 mini and iPhone 12 Pro Max Owners - MacRumors

More base RAM and big performance boost tipped for iPhone 14 - PhoneArena

iPhone 13 Pro: Buyer's Guide, Should You Buy?

iPhone 12 - Wikipedia

Apple iPhone 12: all deals, specs & reviews - NewMobile

iPhone 12 Leaks and Rumors: What You Need to Know About Apple's 2020 iPhones

iPhone 12 battery life results are in — and they're not great : r/apple