Minecraft Wiki
This feature is exclusive to Bedrock Edition. 

Upscaling[]

Boosts frame rates on GeForce RTX graphics cards with NVIDIA DLSS 2.0. It can be used for Ray Tracing to smoothen out gameplay.

Uses[]

This feature is used for smoothening out gameplay. It can be used if you are using Ray Tracing and you are lagging. It improves performance by rendering the game at a lower native resolution and then results in a smoother gameplay.

Explanation[]

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