Please avoid reporting multiple issues in a single bug.

The tearing issue is bug 1846398 already so the remaining issues are
"Ubuntu operates slow with system apps and 3rd party apps; system hangs
and crashes; and more". Are you saying Ubuntu is only slow when you are
using fractional scaling?

** Package changed: xorg (Ubuntu) => ubuntu

** Changed in: ubuntu
       Status: New => Incomplete

** Summary changed:

- Xorg freeze
+ Poor performance with fractional scaling factors in Xorg

** Package changed: ubuntu => mutter (Ubuntu)

You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.

  Poor performance with fractional scaling factors in Xorg

Status in mutter package in Ubuntu:

Bug description:
  This happens when I use fractional scaling. At 100%, my HP 840 G3 runs
  smooth and fast. With fractional scaling at 125%, there is the
  following: visual tears when moving videos while playing; Ubuntu
  operates slow with system apps and 3rd party apps; system hangs and
  crashes; and more.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: xorg 1:7.7+19ubuntu12
  ProcVersionSignature: Ubuntu 5.0.0-32.34~18.04.2-generic 5.0.21
  Uname: Linux 5.0.0-32-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.2
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompizPlugins: No value set for 
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Nov 21 01:03:54 2019
  DistUpgraded: Fresh install
  DistroCodename: eoan
  DistroVariant: ubuntu
  ExtraDebuggingInterest: No
   Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) 
(prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company EliteBook 840 G3 [103c:8079]
  InstallationDate: Installed on 2019-08-22 (90 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 
  MachineType: HP HP EliteBook 840 G3
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-32-generic 
root=UUID=63069e05-3459-49f5-9de1-e6594c7cce44 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: No upgrade log present (probably fresh install) 11/01/2016
  dmi.bios.vendor: HP
  dmi.bios.version: N75 Ver. 01.13 8079
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 85.74
  dmi.chassis.asset.tag: 5CG7065GM1
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
dmi:bvnHP:bvrN75Ver.01.13:bd11/01/2016:svnHP:pnHPEliteBook840G3:pvr:rvnHP:rn8079:rvrKBCVersion85.74:cvnHP:ct10:cvr: 103C_5336AN G=N L=BUS B=HP S=ELI HP EliteBook 840 G3
  dmi.product.sku: V1H24UT#ABA
  dmi.sys.vendor: HP
  version.compiz: compiz 1:
  version.libdrm2: libdrm2 2.4.99-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.1-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 19.2.1-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.5+git20191008-0ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-1ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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