What is a Display Refresh Rate? Difference: 60Hz, 120Hz, 144Hz and 240 Hz

What is a Display Refresh Rate? Difference: 60Hz, 120Hz, 144Hz, and 240 Hz

The difference between different refresh rates is very hard to describe in a picture. For that, you must have to watch the video. In addition, I also explain what to look in the video to identify the difference. In this article, I will show you two videos of bullet and character movement.

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Display Refresh Rate Difference by Character Movement

To identify near to exact difference between two refresh rate displays, you have to record the object’s movement with respect to the imaginary column. Sounds a bit complex, right? Don’t worry. See the following video, in which, the soldier is moving through the door and that was recorded using a Sony RX10 II camera, thanks to WASD.ro.

Here, in the above video, consider the columns. Though the columns cannot be used as a reference to measure the smoothness. But, for the sake of easy understanding in layman’s terms, I will tell you the number of columns that the character will travel.

Keep in mind that

  • In a low refresh-rate display, the character will travel more columns.
  • At a high refresh-rate one, it will travel fewer columns.

After analyzing the entire video, I found the following results.

Display Refresh RateColumns travelled
60Hz4.5 Columns/sec
120HzAlmost 2 Columns/sec
144HzAlmost 2 Columns/sec
240Hz1-1.5 Columns/sec

I have added here that I couldn’t find any noticeable difference between 120Hz and 144Hz displays.

So, based on the above data, it’s pretty clear that a 240Hz refresh rate display shows a bit more detailed content than a 60Hz or 120Hz display.

Now, look at the second video below. It will give you a more clear understanding of a bit of technical stuff. This second video is also by WASD.ro. In the below video I have explained the movement of the bullet (at the end of the video) to highlight the difference in refresh rates very deep.

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Display Refresh Rate Difference by Bullet Movement

Here, the movement of the bullet was tracked by measuring the distance between two stops.

The results are here.

Display Refresh RateDistance traveled
60Hz1 cm
120Hz0.45cm
144Hz0.45cm
240Hz0.20-0.25cm

So, In a 240Hz refresh-rate display, you still won’t get a smooth picture when you sit at the start to measure it. But, during gaming, it’s not noticeable.

So, what’s the difference between 60Hz, 120Hz, 144Hz, and 240Hz refresh-rate displays? If you have an option of getting a 120Hz panel at a low price compared 144Hz panel at a little high price, then I recommend going for 120Hz. As I couldn’t find a noticeable difference between the two closely refreshing displays.

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