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Getting poor performance on KDE Plasma / KDE Neon

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I love kde and kde neon, but i have some problems with performance when using it. I suspect that is something related to gpu driver, cause the cpu gets high level usage when i do such simple graphical stuff like just scrolling down a page (on vscode the cpu goes to 100% usage).

I know that's probably not the best param to show it, but: I used glmark2 to benchmark on kde neon 5.18 and linux mint 19.02 over the same pc. And I got:

- score 1077 on linux mint 19.02
- score 592 on KDE Neon 5.18

I have a AMD R7 m445 graphic card.

$ glxinfo | grep "OpenGL version"
OpenGL version string: 3.0 Mesa 19.2.8

$ sudo lshw -C display
description: VGA compatible controller
product: HD Graphics 620
vendor: Intel Corporation
physical id: 2
bus info: [email protected]:00:02.0
version: 02
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:128 memory:de000000-deffffff memory:b0000000-bfffffff ioport:f00
0(size=64) memory:c0000-dffff
description: Display controller
product: Topaz XT [Radeon R7 M260/M265 / M340/M360 / M440/M445]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: [email protected]:01:00.0
version: c3
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list rom
configuration: driver=amdgpu latency=0
resources: irq:129 memory:c0000000-cfffffff memory:d0000000-d01fffff ioport:e00
0(size=256) memory:df200000-df23ffff memory:df240000-df25ffff
Registered Member
If this graphic`s card is integrated try to check on bios how many ram can use and config it to the max than can use

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