Head-to-head · GPU Overclocking Software
PenguinBurner vs Green Curve
PenguinBurner leads on 0 checks, Green Curve on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scorePenguinBurner · 8.7/10
- Free planboth
- Most featuresPenguinBurner · 5 of 5
PenguinBurner scores higher on our rubric for gpu overclocking software: 8.7 against 8.5 out of 10; our editors rank them #4 and #5.
On operating systems, Green Curve gives you Windows-linux where PenguinBurner offers Linux.
PenguinBurner is the better fit for linux gamers using NVIDIA GPUs. Green Curve is the better fit for NVIDIA tuning across Windows and Linux.
- PenguinBurner fits best
Linux gamers using NVIDIA GPUs
- Green Curve fits best
NVIDIA tuning across Windows and Linux
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Side by side
| Feature | PenguinBurner 8.7/10 Visit ↗ | Green Curve 8.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.7 | 8.5 |
| Ranking | #4 in GPU Overclocking Software | #5 in GPU Overclocking Software |
| Best for | Linux gamers using NVIDIA GPUs | NVIDIA tuning across Windows and Linux |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Desktop |
| Platforms | Linux | Windows, Linux |
| Support | Community, Docs | Docs |
| Built for | Solo, Small business | Solo, Small business |
| Features PenguinBurner 5/5 · Green Curve 4/5 | ||
| Custom voltage control | ✓ | ✓ |
| Fan curve control | ✓ | ✓ |
| Power limit control | ✓ | ✓ |
| Tuning profiles | ✓ | ✓ |
| On-screen overlay | ✓ (best) | Not checked yet |
| Specs | ||
| GPU vendor support | Nvidia | Nvidia |
| Operating systems | Linux | Windows-linux |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | PenguinBurner is an open-source Linux application for NVIDIA GPU undervolting, overclocking, fan tuning, and per-game configuration. It is aimed at Linux gamers with supported NVIDIA hardware who want automated tuning alongside manual… Read the review → |
Green Curve is an open-source GPU tuning utility for supported NVIDIA GeForce graphics cards. It is intended for users who want manual control over voltage/frequency curves, GPU and memory clock offsets, power limits, fan behavior, and… Read the review → |
Strengths and trade-offs
PenguinBurner — where it wins
- Automatic scans with verified efficiency, balanced, and performance tiers
- Per-game profiles with adaptive switching for Steam and Lutris
- Manual curves, fan and power controls, plus an in-game overlay
Where it doesn't
- Supports NVIDIA GPUs only
- Requires the proprietary NVIDIA driver and CUDA
- Linux is the only supported platform
Green Curve — where it wins
- Live voltage/frequency curve editing with GPU and VRAM offsets
- Power limits, fan curves, hysteresis, and polling controls
- Profiles, app-based switching, CLI tools, and service support
Where it doesn't
- Supports NVIDIA hardware rather than multiple GPU vendors
- Manual voltage, power, and fan changes can cause instability or damage
- Its tuning controls are aimed at users comfortable with manual adjustment
- PenguinBurner8.7/10 · Free plan
A focused, open-source tuner for Linux gamers with NVIDIA GPUs.
Visit PenguinBurnerFull verdict → - Green Curve8.5/10 · Free plan
A focused, free tuner for manual NVIDIA overclocking, undervolting, fan control, and profiles.
Visit Green CurveFull verdict →
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All GPU overclocking software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update


