Arc Power vs Green Curve

Arc Power8.9Visit GCGreen Curve8.5Visit

Higher score Arc Power #3 in GPU Overclocking Software 8.9/10 Free plan Free plan✓ 5 of 5 features Visit Arc Power

vs

GC Green Curve #5 in GPU Overclocking Software 8.5/10 Free plan Free plan✓ 4 of 5 features Visit Green Curve

• Arc Power fits best

  Intel Arc users on Windows

• Green Curve fits best

  NVIDIA tuning across Windows and Linux

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Side by side

Feature	Arc Power 8.9/10 Visit ↗	GCGreen Curve 8.5/10 Visit ↗
At a glance
Editor score	8.9	8.5
Ranking	#3 in GPU Overclocking Software	#5 in GPU Overclocking Software
Best for	Intel Arc users on Windows	NVIDIA tuning across Windows and Linux
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows	Windows, Linux
Support	Community, Docs	Docs
Built for	Solo, Small business	Solo, Small business
Features Arc Power 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	Multi-vendor	Nvidia
Operating systems	Windows	Windows-linux
Our review
Pros	Overclocking, undervolting, power limits, and fan curves Profiles, telemetry graphs, overlays, and graphics settings Free, open-source Windows builds with RTSS, LHM, and OBS integration	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
Cons	Intel Arc is required for tuning controls AMD and NVIDIA support is limited to telemetry The latest release notes say the installer is currently broken	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
Our verdict	Arc Power is a free, open-source Windows desktop utility for tuning and monitoring Intel Arc graphics cards. It is aimed at Arc Alchemist and Battlemage users who want more control over clocks, voltage offsets, power and temperature… 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

• Arc Power — where it wins

  • Overclocking, undervolting, power limits, and fan curves
  • Profiles, telemetry graphs, overlays, and graphics settings
  • Free, open-source Windows builds with RTSS, LHM, and OBS integration

  Where it doesn't

  • Intel Arc is required for tuning controls
  • AMD and NVIDIA support is limited to telemetry
  • The latest release notes say the installer is currently broken

• 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

• Arc Power8.9/10 · Free plan

  A free Windows utility for deep Intel Arc tuning, monitoring, profiles, and overlays.

  Visit Arc PowerFull verdict →
• GCGreen Curve8.5/10 · Free plan

  A focused, free tuner for manual NVIDIA overclocking, undervolting, fan control, and profiles.

  Visit Green CurveFull verdict →