iPhone 12 vs iPhone 17: Watch This Before You Upgrade

After 5 years, is it finally time to upgrade from the legendary iPhone 12? I have both the iPhone 12 and the brand new iPhone 17 in my hands, and the difference is... well, it's massive. In this video, we're doing a full, side-by-side comparison. We'll look at the design, the new 6.3-inch size, and the *finally* included 120Hz ProMotion display on the base iPhone 17. We'll also compare performance (A14 vs. A19), battery life, and the new camera systems (including that new 18MP front camera). A big part of this review is how both phones handle the new iOS 26 "Liquid Glass" update—and I'll share my honest thoughts on why Apple Intelligence (or lack of it on the 12) isn't a dealbreaker for me. If you're still using an iPhone 12, 12 mini, or an older phone, this video is for you. (Disclosure: The iPhone 12 used is a mini, but all performance/camera/software points apply to the regular 6.1" 12 as well!) IN THIS VIDEO: Intro & The Big Question What Made the iPhone 12 Special? Design & Display: The 120Hz ProMotion Game-Changer iPhone 12 vs iPhone 17 Performance: A14 (4GB RAM) vs. A19 iOS 26: "Liquid Glass" on Old vs. New iPhone 12 vs iPhone 17 Battery Life (12 mini vs. 17) iPhone 12 vs iPhone 17 Camera Comparison: That New 18MP Front Camera Apple Intelligence: Does it Really Matter? Downsides & Considerations Final Verdict: Should You Upgrade? Are you upgrading this year? Let me know your thoughts in the comments! Thanks for watching.