Smartphone display refresh rates: What differences 60Hz vs 90Hz vs 120Hz?
Have you ever heard the term?
Just take a moment, Sit back and think about where you heard it.
Was it at the time of your most recent mobile purchase?
Was it on Mobile Ads?
Was it while you were checking through the specs of a Smartphone you got for your mom?
I’m sure you must have heard phrases like “This Phone sports a 90Hz refresh rate”, “This Smartphone boasts a 120Hz refresh rate” on every great flagship phone like Galaxy Z Fold 3 you look at.
Enough of pondering around. Let us now discuss what the term “Refresh rate” actually means.
Without further Ado, let’s get started:
Refresh Rate – What it means?
Refresh rate is a term that refers to the rate at which a mobile refreshes an image or content per second. It measures in Hertz(Hz).
To break it down to even simpler terms, let us discuss it with an example:
Assume that your phone has a refresh rate of 156Hz. It means the contents on your screen update 156 Times Per Second.
Every second, every pixel updates itself, which is why the motion and content on your display appear to be smooth.
Got a clear picture now?
Smartphones boasting higher refresh rates enable smooth scrolling, swiping, and dropping.
If the number of times your phone updates is high, the latency rate becomes low as the pixels are updated more often.
The bond between the refresh rate and the latency rate:
It is essential to understand Latency Rate while discussing Refresh Rate.
Latency = Delay
While searching for something crucial on Android, we’ve all probably experienced hanging or delayed responses. Latency is to blame for this.
Refresh rate lowers latency by keeping your phone updated.
How does the Refresh rate work?
Your Smartphone doesn’t rapidly refresh all at once. Rather, each horizontal series of pixels refresh in turn till the whole display is updated to the needed standard.
Want to inspect it ??
Just open the viewfinder option on your Smartphone’s camera, film your display in slow motion. You will see the display flickering. It is because your phone is constantly updating.
Every row refreshes on turn till the whole display updates, that is, complete one full refresh.
Differences among 60Hz vs 90Hz vs 120Hz:
Assume that the refresh rate of your Smartphone is 60Hz. As you can see from the explanation above, your phone refreshes 60 times every second, and one complete cycle of refresh takes 16.6 milliseconds.
If your phone’s refresh rate is 90Hz, it refreshes 90 times per second and takes 11.1ms to complete one entire cycle of a refresh.
If it’s 120Hz, it refreshes 120 times per second and takes 8.3ms to complete one full rotation of a refresh.
From the explanation above, a mobile with 120Hz works the smoothest.
Here are some of my honest suggestions on mobiles with a 120Hz refresh rate: Samsung Galaxy Z Fold3 and Samsung Galaxy Z Flip3.
Both mobiles have a Dynamic AMOLED 2X display with a refresh rate of 120Hz. Both these mobiles are powered by Qualcomm Snapdragon 888(5nm) Octa-core processor. These 5G Smartphones are packed with the Best Features and Specifications. Get your Galaxy Fold3 at Poorvika.com to get it at the Best Price in India.
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Technical Content Writer