Nowadays, our phones can only over 30 fps video. Phones like the Galaxy S10 can shoot 4K at 60 fps, even on the front camera. Slow motion functionality has recently begun to appear on more and more devices ̵
1; but as you may have noticed, the quality of functionality differs from telephone to phone.
There are a number of factors that record with slow motion. Specifications that would be ignored for average users while taking video in auto mode. But with slow motion, these specifications are important to know. That because they dictate the result of slow motion video includes how fast that action can be which you slow down. In addition, unlike regular video, it is not the higher resolution is best as for some video rates, there are no options in terms of resolution.
The most important thing for slow motion capture is frame rate. Slow motion videos are usually created by filming an object at something other than 30 fps (frames per second), and then playing the movie at 30 fps.
For example, if you shoot at 60 fps, then play the movie at 30 fps, you would end up with 1/2 speed slow motion video. This differs from lowering 30 frames per second to 1/2 speed in the post-processing, as it would show each image twice and effectively make the video 15 frames per second – while shooting at 60 frames per second and playback at 30 frames per second would result in the same 1/2 speed video, but each frame would be a new picture.
Of course, you want a camera with higher frame rate. This is often called the "shutter speed" when it comes to still shooting instead of video, but it is the same concept. Look for a phone with at least 240 fps recording, so you get 1/4-speed slow motion when playing at 60 fps or 1/8 speed when playing at 30 fps. But some phones today can shoot as high as 960 fps (marketed as "super slow motion"), like the Galaxy S10 or Sony Xperia 1.