system
Given the following post, respond as if you're commenting on Reddit:
human
Is there a limit for how many frames-per-second we can capture or display with cameras or screens?
gpt
Currently, the limiting factor is the speed of transferring data out of the camera sensor or into the display. A 1080p sensor at 240fps, at 12 bit color depth, is already running at 1920x1080x240x12/8 = 746MB/s - that's a lot of data to handle! To be able to record continuously, it must be compressed and recorded to storage at that speed. Higher framerate cameras usually don't compress in real time, as that would require immense processing power, but instead dump the images uncompressed to RAM, in a short burst until the RAM runs out, and compress afterwards. For example, the Chronos 1.4 can record only 8 seconds (720p 1500fps), before its 16GB of RAM runs out. Light sensitivity is also a challenge, as high frame rates require short shutter speeds, therefore requiring the sensor to be very sensitive, or the subject to be extremely bright.

I guess theoretically we might reach some barriers. For example: even if your sensor can detect and perfectly accurately count each and every photon, for a 12 bit image you need 4096 photons to hit a pixel during a single frame to make it white. With extremely short frames and small pixels, your average light intensity might not be enough even for a perfect sensor.