the.com/tearing
When your screen splits into two mismatched frames mid-motion, like reality skipped a stitch.
means A visual glitch where the display shows parts of multiple frames at once because the screen refreshed while the image was still updating.
from From the literal sense of tearing cloth — the image looks ripped along a horizontal seam where old and new frames meet.
The fixV-Sync syncs frames to screen refresh.
Sweet spotWorst during fast horizontal camera pans.
Modern cureG-Sync and FreeSync match refresh to GPU.