Optimization10 min readFebruary 20, 2025

Best Windows Settings For Low Latency Gaming

Windows ships configured for general use — not competitive gaming. Every setting below has a measurable effect on end-to-end input latency. This is the complete reference list, with the highest-impact items first.

Power Settings

Power Plan → Ultimate Performance

Enable the hidden Ultimate Performance plan via Command Prompt: powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61. Then set it in Settings → System → Power & battery. This disables CPU core parking and prevents clock-speed scaling during brief idle windows.

EffectEliminates CPU ramp-up latency. Estimated saving: 5–15 ms on affected systems.

DownsideIncreases idle power draw by 10–30 W on desktop. Fine for gaming PCs.

Timer Resolution → 0.5 ms

The Windows timer controls thread scheduling granularity. Default: 15.6 ms. Set to 0.5 ms for consistent sub-millisecond scheduling. Use a timer resolution tool that persists across game launches.

EffectFrame times stop quantizing to 15.6 ms multiples. High-refresh-rate monitors can fully utilize their native timing.

NoteWindows 11 23H2+ requires a registry key change to allow applications to set resolution below 1 ms without admin elevation. InputLag handles this automatically.

GPU Scheduling & Driver Settings

NVIDIA Control Panel

Low Latency ModeUltra — reduces pipeline pre-render depth to minimum.

Max Pre-Rendered Frames1 — eliminates buffered frame latency.

Power Management ModePrefer Maximum Performance — prevents GPU downclocking.

Vertical SyncOff — control per-game instead.

Texture Filtering QualityHigh Performance — minor quality reduction, meaningful CPU/GPU savings.

Hardware-Accelerated GPU Scheduling (HAGS)

HAGS (Settings → System → Display → Graphics → Change default graphics settings) reduces CPU overhead in the GPU scheduling path. Reduces input lag on most systems with modern drivers but can introduce frame time variance on some GPU/driver combinations. Test both states with CapFrameX.

Display Configuration

Set Maximum Refresh Rate

Right-click desktop → Display settings → Advanced display → Choose a refresh rate. Set to maximum. Windows sometimes defaults to 60 Hz even on 144 Hz monitors after updates.

Disable HDR (Unless Needed)

Windows Auto HDR processing adds 1–4 ms of SDR-to-HDR conversion overhead. Disable in Settings → System → Display → HDR for competitive play.

Input Device Settings

Mouse: Raw Input + 1000 Hz

Pointer PrecisionDisable — removes Windows mouse acceleration curve.

Polling RateSet to 1000 Hz minimum in manufacturer software.

Raw InputEnable in every game's mouse settings.

Pointer Speed6/11 (center) — no built-in scaling offset.

Keyboard: Repeat Delay

Control Panel → Keyboard → Speed: set Character repeat delay to Short, Repeat rate to Fast. Reduces the initial hold-key delay from ~500 ms to ~250 ms — irrelevant for gaming but good practice.

Windows Features to Disable

Game Mode — Enable It

Settings → Gaming → Game Mode → On. Deprioritizes background processes and optimizes thread scheduling for the active game window. Contrary to older advice, Game Mode is beneficial on Windows 11 23H2+.

Notifications & Background Apps

NotificationsOff while gaming — notification popups generate GPU compositing work.

Xbox Game BarDisable if not using — reduces background CPU overhead.

Cloud backup clientsPause Dropbox, OneDrive, Google Backup during gaming — disk I/O interference.

Process Priority

Setting your game's process to High priority in Task Manager ensures the Windows scheduler prefers it when CPU time is contested. Do this with caution — setting too many processes to High priority defeats the purpose.

Tools like Process Lasso can automate this per-game with persistent rules, eliminating the need to manually adjust on each launch.

Frequently Asked Questions

Do I need to reapply these settings after Windows updates?

Power plan and timer resolution settings can reset after major Windows updates. GPU driver settings persist through OS updates but reset after driver reinstallation. Use InputLag's desktop app to maintain these configurations automatically.

Are these settings safe? Can they damage my hardware?

All settings listed are standard Windows configuration changes, not overclocking or voltage modifications. They are fully reversible. The power plan setting increases idle power draw but is within hardware design specifications.

What's the single most impactful change for someone on stock settings?

Disabling V-Sync and switching to High Performance power plan. Together, these typically save 15–35 ms of end-to-end latency on a stock Windows gaming setup — more than any hardware upgrade except the monitor itself.

Test your setup

Input Lag Test →Frame Pacing Test →