Very slow internet on Manjaro compared to Windows on dualboot

I recently posted this topic on YouTube running slowly. However, I have since realized that the ~50-60 mbps speeds mentioned in that post were most likely a fluke, since now I’m not really getting over ~20 mbps. (Also on speedtest.net). The reason I’m posting this separately is that on Windows (which I’m dualbooting) I get up to ~100-200 mbps. (I use WiFi not wired). Why is this?

Again I’m new to Linux, so I don’t know much about it, sorry.

I have an Intel Dual Band Wireless-AC 3168NGW.

inxi -Fazy:

System:
  Kernel: 5.15.16-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
    parameters: BOOT_IMAGE=/boot/vmlinuz-5.15-x86_64
    root=UUID=d40977fe-d7fc-4898-8ffe-20fc21fab037 rw quiet apparmor=1
    security=apparmor resume=UUID=4dccc5d9-cde4-4fc2-bc59-bb1706b53a7c
    udev.log_priority=3
  Desktop: KDE Plasma 5.23.5 tk: Qt 5.15.2 info: latte-dock wm: kwin_x11
    vt: 1 dm: SDDM Distro: Manjaro Linux base: Arch Linux
Machine:
  Type: Convertible System: HP product: HP Pavilion x360 Convertible 14-ba1xx
    v: Type1ProductConfigId serial: <superuser required> Chassis: type: 31
    serial: <superuser required>
  Mobo: HP model: 83C4 v: 31.61 serial: <superuser required> UEFI: Insyde
    v: F.53 date: 05/16/2019
Battery:
  ID-1: BAT0 charge: 20.4 Wh (100.0%) condition: 20.4/20.4 Wh (100.0%)
    volts: 12.9 min: 11.6 model: 333-54-5D-A BK03041XL type: Li-ion
    serial: <filter> status: Full
  Device-1: hid-0018:04F3:251C.0002-battery model: ELAN0732:00 04F3:251C
    serial: N/A charge: N/A status: N/A
CPU:
  Info: model: Intel Core i5-8250U bits: 64 type: MT MCP arch: Coffee Lake
    family: 6 model-id: 0x8E (142) stepping: 0xA (10) microcode: 0xEA
  Topology: cpus: 1x cores: 4 tpc: 2 threads: 8 smt: enabled cache:
    L1: 256 KiB desc: d-4x32 KiB; i-4x32 KiB L2: 1024 KiB desc: 4x256 KiB
    L3: 6 MiB desc: 1x6 MiB
  Speed (MHz): avg: 800 min/max: 400/3400 scaling: driver: intel_pstate
    governor: powersave cores: 1: 800 2: 800 3: 800 4: 800 5: 800 6: 800 7: 800
    8: 800 bogomips: 28808
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
  Vulnerabilities:
  Type: itlb_multihit status: KVM: VMX disabled
  Type: l1tf
    mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable
  Type: meltdown mitigation: PTI
  Type: spec_store_bypass
    mitigation: Speculative Store Bypass disabled via prctl and seccomp
  Type: spectre_v1
    mitigation: usercopy/swapgs barriers and __user pointer sanitization
  Type: spectre_v2 mitigation: Full generic retpoline, IBPB: conditional,
    IBRS_FW, STIBP: conditional, RSB filling
  Type: srbds mitigation: Microcode
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Intel UHD Graphics 620 vendor: Hewlett-Packard driver: i915
    v: kernel bus-ID: 00:02.0 chip-ID: 8086:5917 class-ID: 0300
  Device-2: Chicony HP Wide Vision HD Camera type: USB driver: uvcvideo
    bus-ID: 1-4:3 chip-ID: 04f2:b5d6 class-ID: 0e02
  Display: x11 server: X.org 1.21.1.3 compositor: kwin_x11 driver:
    loaded: modesetting alternate: fbdev,vesa resolution: <missing: xdpyinfo>
  Message: Unable to show advanced data. Required tool glxinfo missing.
Audio:
  Device-1: Intel Sunrise Point-LP HD Audio vendor: Hewlett-Packard
    driver: snd_hda_intel v: kernel alternate: snd_soc_skl bus-ID: 00:1f.3
    chip-ID: 8086:9d71 class-ID: 0403
  Sound Server-1: ALSA v: k5.15.16-1-MANJARO running: yes
  Sound Server-2: JACK v: 1.9.20 running: no
  Sound Server-3: PulseAudio v: 15.0 running: yes
  Sound Server-4: PipeWire v: 0.3.43 running: yes
Network:
  Device-1: Intel Dual Band Wireless-AC 3168NGW [Stone Peak] driver: iwlwifi
    v: kernel bus-ID: 02:00.0 chip-ID: 8086:24fb class-ID: 0280
  IF: wlo1 state: up mac: <filter>
Bluetooth:
  Device-1: Intel Wireless-AC 3168 Bluetooth type: USB driver: btusb v: 0.8
    bus-ID: 1-5:4 chip-ID: 8087:0aa7 class-ID: e001
  Report: rfkill ID: hci0 rfk-id: 0 state: up address: see --recommends
Drives:
  Local Storage: total: 931.51 GiB used: 20.63 GiB (2.2%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/sda maj-min: 8:0 vendor: Toshiba model: MQ04ABF100
    size: 931.51 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
    type: HDD rpm: 5400 serial: <filter> rev: 1C scheme: GPT
Partition:
  ID-1: / raw-size: 29.3 GiB size: 28.67 GiB (97.86%) used: 16.61 GiB (57.9%)
    fs: ext4 dev: /dev/sda6 maj-min: 8:6
  ID-2: /boot/efi raw-size: 260 MiB size: 256 MiB (98.46%)
    used: 65.9 MiB (25.7%) fs: vfat dev: /dev/sda1 maj-min: 8:1
  ID-3: /home raw-size: 58.59 GiB size: 57.37 GiB (97.92%)
    used: 3.95 GiB (6.9%) fs: ext4 dev: /dev/sda8 maj-min: 8:8
Swap:
  Kernel: swappiness: 60 (default) cache-pressure: 100 (default)
  ID-1: swap-1 type: partition size: 7.81 GiB used: 0 KiB (0.0%)
    priority: -2 dev: /dev/sda7 maj-min: 8:7
Sensors:
  System Temperatures: cpu: 34.0 C pch: 31.0 C mobo: 31.0 C
  Fan Speeds (RPM): N/A
Info:
  Processes: 237 Uptime: 20m wakeups: 3 Memory: 15.5 GiB
  used: 2.98 GiB (19.2%) Init: systemd v: 250 tool: systemctl Compilers:
  gcc: 11.1.0 clang: 13.0.0 Packages: 1297 pacman: 1285 lib: 342 flatpak: 4
  snap: 8 Shell: Bash v: 5.1.16 running-in: konsole inxi: 3.3.12

Since then I’ve switched to the LTS 5.10.93-1 kernel, but it didn’t help.

I found this post here and this solved it.

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