Sire M7 / 5 string neck comparison with Sire V7 / 5 string

Hi
I have a Sire M7 and I'm interested to buy a V7.
Where I live, I can only buy by order. No way to try a V7.

So I'd like to know, if you have both an M7 and a V7 5 strings, if the neck have the same thickness or are different, if so, how is the V7 compare to the M7? Is it thicker? or thinner?

That would be the c and d number in this image:
View attachment 3805578

Thanks in advance.