I've read that Apple's M1 Chip has integrated RAM. How is it possible that you can choose between 8 and 16 gigs of RAM? - Quora
Amazon.com: Apple 2022 MacBook Pro Laptop with M2 chip: 13-inch Retina Display, 8GB RAM, 256GB SSD Storage, Touch Bar, Backlit Keyboard, FaceTime HD Camera. Works with iPhone and iPad; Space Gray :
Apple 13.3" MacBook Air M1 Chip with Retina Display MGNE3LL/A