Did you change graphics settings because putting shadows to low or global illumination to low will make performance very good(tested on 1660Ti)
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Also I did use lumen which is not optimize(dynamic light) because when baking light, it looked like sh*t. Also, I wanted to implement occlusion culling but with unreal it is complicated and more time consuming with culling volumes but what was your average framerate and quality settings:I would like to know for future optimization?