1. Introduction
1.1. Overview
ZenWatt is an app for changing the power limit of Ryzen mobile CPUs in laptops and Mini-PCs. It is powered by the RyzenAdj utility.
1.2. Features
Change the power limits for mobile Ryzen CPUs between 1 to 55 watts.
Change the thermal limits for mobile Ryzen CPUs between 50 to 90 degrees celcius.
Change the CPU governor, scaling frequency, and EPP profile.
Benchmark the CPU using Sysbench and Passmark PerformanceTest.
1.3. Limitations
Only Ryzen mobile CPUs are supported. Desktop CPUs are NOT supported.
Your laptop or Mini-PC may have limitations in the BIOS that may prevent power limits from being changed by the RyzenAdj utility.
Refer to the RyzenAdj FAQ for more information.
1.4. Use-Case
Reduce CPU power limit to improve battery life
Increase CPU power limit for higher performance
Reduce CPU temperature limit to reduce heat
Benchmark CPU performance
1.5. Supported CPUs
The following Ryzen Mobile CPUs are supported.
Ryzen 2000 (Raven Ridge) - 2300U, 2500U, 2700U
Ryzen 3000 (Picasso) - 3500U
Ryzen 4000 (Renoir) - 4750U, 4800U
Ryzen 5000 (Lucienne) - 5500U
Ryzen 5000 (Cezanne) - 5600U, 5600H, 5800HS
Ryzen 6000 (Rembrandt) - 6800U
1.6. Supported Distributions
This app is meant for Linux distributions based on Debian and Ubuntu.
Debian
Debian 12 (Bookworm) and derivatives
Debian 11 (Bullseye) and derivatives
MX Linux 20, 21
Linux Mint Debian Edition (LMDE) 5, 6
Older releases of Debian are not supported
Ubuntu
Ubuntu 22.04 (Jammy) and derivatives
Ubuntu 20.04 (Focal) and derivatives
Ubuntu’s current Non-LTS release, and derivatives
Xubuntu, Kubuntu, Ubuntu MATE, and others
Linux Mint 20, 21, and later releases. Mint 19 and older releases are not supported.
Solus and KDE Neon are not supported.
Older releases of Ubuntu are not supported
Not Supported
Fedora, Arch Linux, Manjaro, SUSE, Gentoo, Solus, and other distributions are not supported.
1.7. Installation
ZenWatt can be purchased from the store.
Installation steps and license keys will be sent to the email address provided at the time of purchase. Installation is as simple as running a one-line command.
Native packages and repositories (for apt) are available for all supported Linux distributions.
1.8. Uninstall
Run the following command in a terminal window:
sudo apt-get purge -y zenwatt-gtk
sudo rm -fv /etc/apt/sources.list.d/*zenwatt*
This will remove installed packages and also remove the repository.
1.9. Purchase
The full version of ZenWatt is available for purchase from the store.
1.10. Trial & Refunds
There is a no trial version available but there is a 14-day refund policy. If the app does not meet your requirements, please send an email to support@teejeetech.com within 14 days of purchase to get a refund.