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What does 24 FPS look like? The cinema standard, frame time, and why film feels smooth at 24

24 FPS is right for cinema, wrong for games. Movies get away with it because of the shutter trick and physical motion blur; games render each frame sharp, so 24 FPS on a monitor reads as stutter rather than art. For cinematic single-player games that target 30 FPS quality modes, 24 FPS is rarely a goal - it's a sign the GPU is choking.

At 24 FPS, each frame lasts 41.67 milliseconds. 24 FPS has been the global standard for cinema since the 1920s, adopted because it was the minimum rate that synced acceptably with optical soundtracks while keeping film stock affordable. Almost every movie you've ever seen in a theater runs at 24 FPS, and that historical weight is exactly why it still looks 'cinematic' rather than simply slow.

By TechCompare · Updated

Frame rate
24 FPS
24 Hz refresh rate
Frame time
41.67 ms
Time per frame
Use case
Cinema & Console
film

24 FPS shown 10x slower so the frame cadence is actually visible

24 FPS41.67 ms / frame
10x slower so the frame cadence is visible

How this is calculated

24 FPS looks smooth on a movie screen because theaters traditionally project each frame two or three times (a 2-blade or 3-blade shutter) so the screen refreshes at 48 or 72 Hz even though new frames appear only 24 times per second. That double/triple-flash hides the gap between frames and trades visible stutter for a softer, more fluid motion blur baked into the film stock. On a 60 Hz monitor running a 24 FPS video without motion blur, you see the framecadence directly and the result looks choppy, especially on panning shots. The 16.7 ms frame time of 60 FPS is roughly 2.5x shorter than 24 FPS's 41.7 ms, which is why 60 Hz feels modern and '24 looks filmic.

Verdict

24 FPS is right for cinema, wrong for games. Movies get away with it because of the shutter trick and physical motion blur; games render each frame sharp, so 24 FPS on a monitor reads as stutter rather than art. For cinematic single-player games that target 30 FPS quality modes, 24 FPS is rarely a goal - it's a sign the GPU is choking.

More Frame Rate scenarios

30 FPS
The console 'quality mode' target - smooth on TV, feels slow on PC.
View details ➜
60 FPS
The standard all displays target - the baseline where mouse movement and motion feel modern.
View details ➜
75 FPS
The budget high-refresh tier - 75 Hz monitors and the Steam Deck OLED's lower-power cap.
View details ➜

Frequently asked questions

Why does 24 FPS look smooth in movies but choppy on a monitor?
Movies project each frame 2 or 3 times via a shutter, refreshing the screen at 48 or 72 Hz even though new frames appear only 24 times per second. That hides the gaps between frames. A 60 Hz monitor showing 24 FPS video doesn't do that, so you see the raw 41.7 ms cadence as stutter.
What is the frame time of 24 FPS?
1000 / 24 = 41.67 milliseconds per frame. That's the longest frame budget of any common motion standard - over twice as long as the 16.7 ms of 60 FPS.
Should games ever target 24 FPS?
No, with rare exception. Cinematic single-player experiments (Some early '30 FPS locked' console games came close) can target 30 FPS for a filmic look, but 24 FPS is too slow for interactive input. Any game where you control a camera will feel laggy at 24 FPS.

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