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5K at 27" enables you to use 2x scaling which is much lighter on your hardware. Scaling 4K at 2x leads to a sizing which looks like 1080p (just much sharper), w
by thirdsun 8y ago
5K at 27" enables you to use 2x scaling which is much lighter on your hardware. Scaling 4K at 2x leads to a sizing which looks like 1080p (just much sharper), which may be too large depending on your distance from the screen. Using anything but 2x scaling will tax your hardware, slow down the computer and blur the image.
Read more about it here: https://bjango.com/articles/macexternaldisplays/ https://bjango.com/articles/macexternaldisplays/
- noir_lord 8y agoAh Mac. I'm on Linux and I just use fractional font scaling (1.5 usually) and everything works fine and it has no performance impact I can discern across AMD RX at work, intel hd or rtx2080.
- thirdsun 8y agoWhile it's true that fractional scaling works differently on Linux and Windows, it's my understanding that many apps don't handle scaling well, or at all, over there. Meanwhile on macOS basically any app scales properly - I think I have never seen one that doesn't. You can use fractional scaling on a mac, but in that case your whole output will be rendered in 5K and scaled down to the target resolution, which is of course an intensive task - I wouldn't recommend it and instead always use true 2x scaling.