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PenguinBurner
What it is
PenguinBurner is a free, open-source Linux application for tuning NVIDIA GPUs with automatic undervolting, overclocking, and per-game profiles. Auto-UV runs a managed Q2RTX benchmark and CUDA load, then identifies and verifies stable settings and voltage-frequency curves. Adaptive mode can switch among saved Efficiency, Balanced, and Performance tiers to meet a game's FPS target and reduce power when there is headroom; at least two usable tiers are required for switching. Per-game profiles support Steam, Lutris, and Heroic, applying at launch and restoring the standing profile after exit. The overlay can display base FPS, frame-generation FPS, PC latency, GPU clocks, power, temperatures, and the active tier. Manual voltage-frequency and fan-curve editors are included. The install guide lists NVIDIA RTX 30, RTX 40, and RTX 50 cards and requires the proprietary NVIDIA driver and CUDA. Tuning may hang the GPU, crash the driver, freeze the display, or require a reboot.
For and against
For
- Free and open source
- Auto-UV verifies voltage-frequency settings
- Adaptive profiles target game FPS
- Supports Steam, Lutris, and Heroic
- Includes overlay and manual fan controls
Against
- Linux only
- Requires proprietary NVIDIA driver and CUDA
- Hardware tuning can crash or freeze systems
- Adaptive switching needs two usable tiers
The verdict
PenguinBurner offers automated and manual NVIDIA tuning with game-specific profiles and monitoring. Installation prerequisites and the stated risk of crashes or freezes make careful use important.
Who it suits
PenguinBurner suits Linux users with supported NVIDIA RTX 30, RTX 40, or RTX 50 cards who want automatic or per-game GPU tuning. It is intended for users comfortable installing the proprietary driver and CUDA and accepting hardware-tuning risks.
On the record
- Adaptive profiles
- Adaptive switches among saved Efficiency, Balanced, and Performance profiles to meet a game's FPS target and reduce power use when there is headroom.github.com · read 30 Sep 2026
- Adaptive tuning
- Adaptive mode switches between saved tiers to meet a game's FPS target and can reduce power when there is headroom or during idle periods.github.com · read 30 Sep 2026
- Auto-UV
- Auto-UV tests a GPU with Q2RTX and CUDA, then saves verified voltage and frequency profiles.github.com · read 30 Sep 2026
- Distribution
- Linux installation options include pip, Flatpak, Fedora COPR, Arch or CachyOS AUR, and Ubuntu PPA packages.github.com · read 30 Sep 2026
- Game launchers
- The shared game library supports Steam, Lutris, and Heroic, with per-game profiles that apply at launch and restore the standing profile on exit.github.com · read 30 Sep 2026
- Hardware risk
- The security policy warns that hardware tuning can hang the GPU, crash the driver, freeze the display, or require a reboot, and says users tune at their own risk.github.com · read 30 Sep 2026
- Import and export
- PenguinBurner can import MSI Afterburner voltage-frequency curves and export saved curves as NVIDIA LACT configuration.github.com · read 30 Sep 2026
- Limit
- Adaptive requires at least two usable tiers to switch; with one tier, it runs that profile.github.com · read 30 Sep 2026
- Manual controls
- The app includes manual voltage-frequency and fan curve editors, plus an automatically generated silent fan curve.github.com · read 30 Sep 2026
- Other integrations
- PenguinBurner can import V/F curves from MSI Afterburner and export saved curves as NVIDIA LACT configurations.github.com · read 30 Sep 2026
- Overlay
- The in-game overlay can show base FPS, frame-generation FPS, PC latency, GPU clocks, power, temperatures, and the active tier.github.com · read 30 Sep 2026
- Privileged service
- The root hardware daemon is installed with one administrator prompt, after which privileged GPU operations use the running service without further prompts.github.com · read 30 Sep 2026
- Privileges
- The app installs a root hardware service with one admin prompt, after which GPU operations use the running service.github.com · read 30 Sep 2026
- Product
- PenguinBurner is an open-source NVIDIA GPU tuning app for Linux with automatic undervolting, overclocking, and adaptive per-game profiles.github.com · read 30 Sep 2026
- Purpose
- PenguinBurner is an open-source Linux app for automatic NVIDIA GPU undervolting, overclocking, and per-game tuning.github.com · read 30 Sep 2026
- Security and safety
- The security policy directs vulnerability reports through GitHub Security Advisories and warns that hardware tuning can hang the GPU, crash the driver, freeze the display, or require a reboot.github.com · read 30 Sep 2026
- Support
- The repository directs users to report bugs through GitHub Issues and offers a GitHub Sponsors link to support the project.github.com · read 30 Sep 2026
- Supported GPUs
- The install guide lists NVIDIA RTX 30, RTX 40, and RTX 50 series cards as supported.github.com · read 30 Sep 2026
