Hz
(Hertz)
The unit of frequency measurement equal to one cycle per second. For example, 30 Hertz means 30 times per second.
Abbreviated Hz and named after Heinrich R. Hertz.
In phones, this often is used to measure how often a display refreshes the images it displays. Although 30 Hz is often fast enough for most situations, 60 Hz can look smoother, and even faster Hz can provide a noticeable benefit when displaying content with very fast motion, such as fast-paced games.
Last updated Feb 8, 2020 by Rich Brome
Editor in Chief Rich became fascinated with cell phones in 1999, creating mobile web sites for phones with tiny black-and-white displays and obsessing over new phone models. Realizing a need for better info about phones, he started Phone Scoop in 2001, and has been helming the site ever since. Rich has spent two decades researching and covering every detail of the phone industry, traveling the world to tour factories, interview CEOs, and get every last spec and photo Phone Scoop readers have come to expect. As an industry veteran, Rich is a respected voice on phone technology of the past, present, and future.
