How many mins of 4K video can a 32/64 GB SDXC memory card can hold?

Started Apr 15, 2016 | Questions thread
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rgs_45 Senior Member • Posts: 1,328
How many mins of 4K video can a 32/64 GB SDXC memory card can hold?

I thinking getting the Panasonic GX85 camera (when it comes out) and will be mainly use for 4K video The Pany GX85 will be mated with the Pana/Leica 15/1.7 lens. Also looking at different one but the GX85 intrigues me most and will also be use as back up to my EM-1.

Have a couple of questions in regards to memory capacity, video frame rates and setting.

How many minutes of 4K video would fit on a 32/64GB SDXC memory card with different size sensors?

  • 16 MP
  • 20 MP
  • 24 MP

Is there a difference between 24 and 30 fps and will there be a difference in file size?

For starter, is using Program or Aperture priority be good enough to get a result better than a 1080 HD? This will my first time to venture into video.

Any suggestions is very much appreciated

Thanks in advance.

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"I'm a hobbyist and a snap-shooter! I shoot anything that interest me. Sometimes I get lucky and one or two of my snap-shots turns into a fine photograph."

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Panasonic Lumix DMC-GX85
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