Tip size?

So I'm looking at 2 blanks, one is 5'9" and has a 4.0 tip.
Other is 6' and has a 3.5 tip.

Question: Would there likely be a noticeable difference in sensitivity with this tip difference?
I'm sure its much complicated than that.
The rods in question are num 1 and 2 in this pic.
Please read the specs and voice your opinion. I need the most sensitive rod for brush pile jigging.

Thanks Attachment 361107

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Honestly with out handling the blanks can’t really say. You probably won’t really notice a difference. The key to getting the most sensitivity out of a rod is taking as much moving weight out of the guide train. The Blanks are made from the same graphite. So it will be a small change. The 3.5 tip will probably have move flex to it.

off a guess I would say the 4.0 tip might be better being stiffer if it is. That’s the best guess I have.