First of, Project Settings > General Settings > Disable smooth framerate
Open project and disable/destoy object one by one and write down new performance
Use Wireframe mode to know if vertex count is an isue.
GPU
Render doc / intel gpa > analyse une frame GPU
Warning if no install on other computer, break
ctrl + shift + coma > GPU visualizer
CPU
unreal profiler https://docs.unrealengine.com/en-us/Engine/Performance/Profiler
Stat StartFile
Stat StopFile
Then start Window/developer Tools/Session Frontend, load you file (inside [ProjectName]/Saved/Profiling/…) and look for the GameThread.
General
Start FPS & stat unit(graph) (max)
Start Scenerendering or Stat GPU> cost of translucency
r.screenpercentage > know if we are pixel-bounds (most issue is translucent)
Overdraw Keep triangle big and even, count don’t matter that much
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