Score:0

Low performance with multiple screen scaling

cn flag

I'm using three screen ( 34", 27" and 13"), and each one needs a different scaling. When i adjust its scaling the graphics performance low if it is compared if all screen have the same scaling.

I mean, if i set 1x scaling factor in the 34" screen, 1.5 scaling factor in the 27" screen and 2x factor scaling in the 13", i can work but the performance is lower (with some delays and flickering) than all

screens are working with the same scale.

Due to the different screen and resolution, it's impossible to work with the scaling for all screen so i don't know what can i do to improve the performance.

My system is ubuntu 21.04 working with xorg server (wayland it's not a possible options because a lot app works in a blurry way).

My computer is dell xps 13" 9380, and the 2 external screens are connected via thunderbolt (usb-c to 2 displayport)

heynnema avatar
ru flag
Scaling will always slow things down, and can make some images blurry. Better to try disabling scaling, and changing the resolutions on the monitors to get the readable sizes that you want.
Ismael Rodriguez avatar
cn flag
Yes, i know, i thought in this workaround but on the other hand, I lose sharpness
heynnema avatar
ru flag
If you start `Tweaks` and go to the fonts tab, how are hints and antialiasing set?
Ismael Rodriguez avatar
cn flag
Hinting: "slight" Antialising: "Subpixel (for LCD Screen)"
heynnema avatar
ru flag
I don't know then. Sorry.
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