30 Hertz Video Output on 60 Hertz Monitor

I'm considering purchasing a laptop with two video out ports. One is HDMI at 30 hertz, the other is MiniDP at 60 hertz. I want to use both ports in a dual monitor setup. Both monitors have a 60 hertz refresh rate.

Besides for normal tasks (e.g. email, Web browsing, video watching), I develop Web applications and do bi-directional video conferencing - I share my screen and they share theirs.

Will there be any problems using a 60 hertz monitor with a 30 hertz output?

I'm thinking I could use the MiniDP monitor for applications that push frames at higher rates, and use the 30 hertz output for apps that don't - like emailing, text-editing, etc.. Does this make sense?

Any help understanding the concerns here would be appreciated.

The laptop model is the Galago Pro from System76.

11

1 Answer

Since the HDMI port is standard v1.4, and my display resolution is below 4k there's no issue with the video output - which I understand has a 60 Hz refresh rate at 1080p.

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