8mb cache or 16mb cache??

[Steve-O 2006]

Looking for a harddrive and found 2 similar but they were both £69, only thing was, one was 8mb cache and one was 16mb cache... is it best to go with the 16mb cache??

thanks

 

[Steve-O 2006]

Seagate Barracuda's (1 is 16mb cache one is 8mb cache)