Difference between W+C europe 865.3245 maps

Looking at putting west and central europe on my 16GB SDHC,

can anyone explaine the difference between these two maps :-

Western_and_Central_Europe_865_3245 [2.42GB]

and

Western_and_Central_Europe_2GB_865.3245 [2.42GB]

clone maps?? right ok, that explains everything lol.
so which ones out of the two should i get for my unit? does it matter?
cheers

Nope does not matter, just make sure the version is compatible with your Navcore and ignore the fact that the same maps exists with different names.