Do smoothing groups increase vertex count in UE4?

Development Platform & Builds Debugging, Optimization, & Profiling
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1

I’ve been reading up on smoothing groups, and I was warned that just by using them I will increase the vertex count of my mesh wherever there is a break in the smoothing groups.

I don’t like to just blindly believe what people tell me, so I tried it out on numerous objects with a variety of smoothing group setups and there was no difference whatsoever. Could it be because I didn’t break the UVs up at the hard edges?

Link to article about that contains smoothing group advice

Does this advice not apply to the Unreal engine?

2

Never mind. You have to split the UVs to get the extra verts.
Not sure if I’m even going to use smoothing groups anyway now.