That's something to keep in mind when choosing a smartphone.įaster is usually better when it comes to a smartphone's processing speed, which is measured in GHz. Also, because phone apps are created to work with specific operating system(s) -you won't be able to download an app to your phone if it has an incompatible operating system. For phone buyers, the operating system is very important because it affects the phone's core functionality and the experience offered by the phone. The main phone operating systems are Android, and iOS (Apple). A high resolution screen is especially desirable for people who watch a lot of videos or play games on their smartphone.Īn operating system is the software that runs a smartphone. Small Screen (under 5 in) Perfect if you want a smartphone that's easy to carry and fits comfortably in your pocketĪ screen's resolution correlates to its clarity and definition, with higher resolutions typically being the sharpest (although there are other factors that affect picture quality).Medium Screen (5 to 6 in) - A good choice for most people.Large Screen (6.1 to 7.2 in) - Best for those who like to stream videos or play games - or who are near-sighted (to enlarge the smartphone.Most smartphone screens today range in size from 5 to 7.2 inches (diagonal). TIP: Use our smartphone compare feature above to see the specs for different phones side by side. Buying a Smartphone: Understanding the Specs