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[Problem] Skeletal Mesh Low Performance

Hello,

I’m new to Unreal Engine i wanted to know the reason behind why 256 mannequin skeletal mesh with 6 vert, 2 triangle, and 68 bones produce low fps (36)

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Problem_img2.png

Also from my analysis, its not because of my GPU, Ram, or CPU usage like image below.

  1. 256 mannequin exists -> GPU: 36%, CPU: 32%
  2. 256 mannequin not exists -> GPU: 43%, CPU: 35%


The solution I found to improve my fps is by either uncheck cast shadow, uncheck visible, or check actor hidden in game but i know all of this are not the best solution.

For more information about my PC spec in this problem:
GPU: MSI RTX 2060 6GB GDDR6
ProcessorL Intel(R) Core™ i5-8400 CPU @ 2.80GHz, 2808 Mhz
RAM: DDR4 16 GB
Motherboard: B360 GAMING PRO CARBON (MS-7B16)

Hope someone could give me the best solution to make this working.

Thank you in advance.