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Minecraft (1.20.2) Framerate Plummets Without Warning after 60 or so minutes

Content Type: Maintenance & Performance   |   Article ID: 000098277   |   Last Reviewed: 07/16/2026
Description Resolution

Environment

CPU: i5-13600KF (stock) Motherboard: ASRock H670M-ITX/ax RAM: Corsair Vengeance LPX 32 GB (2 x 16 GB) DDR4-3600 CL18 (stock) Storage: SK Hynix Platinum P41 (2 TB) )Riser Cable: PCIe 3.0 x16 Case: PSU: FSP Group Dagger Pro 650 W

Description

After one hour or more of playing Minecraft Java Edition 1.20.2 the frame rate suddenly drops to a sporadic 5-20 Frames per second (FPS).

Resolution

Running Minecraft (1.20.2) Java Edition with the following modifications causes the problem:

  • Complementary Reimagined (resource heavy) - throttled after 75 minutes
  • MakeUp - Ultra Fast (lightweight) - no data collected
  • Rethinking Voxels (extremely resource heavy) - throttled after 65 minutes
  • Miniature Shader (lightweight) - throttled after 45 minutes
  • Solas Shader (moderately resource heavy) - throttled after 80 minutes

Deactivate the shaders to ensure smooth performance during the longevity of the playthrough

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