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  1. Minecraft (Bedrock codebase)
  2. MCPE-173807

Integrated GPU primarily used over dedicated GPU

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • 1.20.12 Hotfix
    • None
    • Unconfirmed
    • Windows

      Dedicated GPU seems to be used, but integrated GPU is still the one mostly used. I tried playing a regular world as well as a marketplace world made by Nvidia that supports ray tracing, and both had the same result. Dedicated GPU isn't completely dormant; it actually is working a little (it's not 0% usage). However, the integrated graphics are doing the majority of the work. Not sure why/how both GPUs are running at the same time, and what is causing Minecraft for Windows to prioritize using the integrated GPU over the dedicated GPU.

      This issue is similar to two other issues, but I believe this either provides new insight on the previous issues, or is a new issue altogether. I use a Nvidia RTX 3050 Ti on a laptop that also has integrated Intel Iris Xe Graphics. In the Windows settings, I have Minecraft's graphics settings set on high performance. Nothing other than Minecraft Bedrock and Task Manager were running when testing usage.

      GPU usage based on task manager:
      In menu:

      • Dedicated GPU: 10-20% usage
      • Integrated GPU: Around 1%, but then sometimes spikes to 20-40% (results may be inaccurate from switching between Minecraft and Task Manager)

      In world:

      • Dedicated GPU: 10%
      • Integrated GPU: 30-60% (goes to 1% shortly after I switch windows, I only briefly see the actual usage)

      There is noticeable lag when I played the Nvidia map with ray tracing. Fixing this issue would allow users to use the correct graphics card and have the correct experience with ray tracing.

      Side note: I am able to use the correct GPU for Minecraft Java Edition because you are able to find the game executable and tell your computer to use the dedicated GPU for that executable. This is different for Minecraft Bedrock. Minecraft Bedrock is from the Microsoft Store, so normally you can change to your dedicated GPU through the Windows settings. However, even with high performance enabled, the GPU is still not working correctly.

            knightlight876 knightlight876
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