Each successive generation of the iPhone has added new features, and in almost all cases, improved them. From the original iPhone to the latest models, each version of Apple's flagship has introduced major changes to the lineup.
Reviews of EVERY iPhone ever!
The charts below compare the hardware specs of each generation of iPhone, so you can get a basic picture of how things have changed over the history of the iPhone. This chart is also useful if you're not a history buff.
The iPhone 15 was launched in September 2023.
The iPhone 14 was launched in September 2022.