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What is V-Sync?
V-Sync coordinates frame presentation with display refresh to reduce tearing.
QUICK EXPLANATION
Choose based on the symptom you want to address
Depending on the game and hardware, V-Sync may affect latency and frame delivery when the system cannot sustain the display rate. Implementations and driver options differ.
V-Sync is a presentation setting, not a way to make the GPU render faster.
Result: Enabling it may reduce tearing; how responsive it feels depends on the game's frame rate and presentation path.
How to check it
Test the in-game option in a repeatable scene. If you use VRR, consult the monitor and graphics vendor's guidance because recommended sync combinations vary.
Check: Compare tearing, frame-time behavior and control response with the same scene and settings.
Sources & page details
Microsoft: Variable refresh rate displays ↗
Reviewed
These are general explanations; available features and results vary by game, graphics hardware, driver and display.