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Controls how glass, water and heat distortion bend the background.
FPS
Low
Visual
Medium
VRAM
Very low
CPU
None
Latency
None
What it does
Controls how glass, water and heat distortion bend the background. Screen-space implementations may miss off-screen objects.
Games may also call it: Refraction, Refractive Effects, Glass Refraction
Decision guide
Lower it when
Lower it after the biggest settings are tuned and you still need a little more headroom.
Keep it high when
Keep it higher when the effect supports the art direction and performance remains stable.
Handheld advice
Treat this as a secondary handheld tweak after resolution, upscaling, shadows and heavy lighting are under control.
Restart
Usually not required
Some games still apply changes only after reloading a scene or restarting.
Do not overread the meter
Screen-space implementations may miss off-screen objects. This score is an editorial cross-game estimate, not a measured result for every engine.