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I'm definitely going to try this (even though unusable for us because of missing Linux support). We have currently settled on Zoom and it's okay, they do have Linux support.

One problem I have with all video conferencing solutions we've tried (same for my colleagues, all Mac or Linux users, sadly no Windows users to compare) is high CPU usage. I have a 2015 MacBook Pro and when I share my screen CPU usage skyrockets to 150-200% basically pegging the whole CPU. Without sharing my screen CPU usage is at 80-100%.

I have similar problems with certain videos on the web (e.g. Ted.com and others).

Is this something everyone else here sees as well? I always assumed they must because we see it across devices and products.



I wonder if it's a function of what you're sharing? I use zoom with PowerPoint and Keynote all the time and have never had my fans spin up when sharing. Haven't noticed it sharing Safari or my whole desktop either...

As a test I'm currently on a video+computer audio+full screen sharing zoom, and my overall CPU load is at <20%, with Zoom accounting for about half of that.


That's interesting. I'm mostly sharing either Powerpoint, IntelliJ stuff or just Chrome.

I more or less can't use IntelliJ any more productively while sharing my screen because it's starved for resources.


Yes, the same experience. Also a Zoom user and screen sharing in particular is a CPU and battery hog.


Someone mentioned to me here on HN that Safari uses less CPU when video/screen sharing. I have the same problem as you.

Can't use my built in microphone because the fans as blasting full power due to the CPU usage.




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