I'm not the GP poster, but doing a visual comparison, if you've got chips of the same size and shape in the same places, and the same passives in the same place

I'm not the GP poster, but doing a visual comparison, if you've got chips of the same size and shape in the same places, and the same passives in the same places, and the trace routing is also visually the same between them, wouldn't you feel that's pretty definitive?