Does matter 3d shapes model size in engine?

Development Asset Creation
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1

I want know does matter big shapes in unreal?
for example:
I create 3d model home in 3d max with 100 cm height size and 50 cm width size, if use this model home with 1000 cm height and 500 cm width, this is effected in my game performance? for example low fps? or some thing use more resouce hardware?

2

I don’t think it is, what will effect performance is poly count