Not a very technical answer but i've used both on an st4s.
010 last 4000 miles and gives good grip
012 (not the ss) lasted 2500 miles and i wouldn't say it performed noticeably better.
End result i've just fitted another pair of 010's Good enough for slow to average gits like me on the odd track day, good in the wet and certainly good enough for fast road riding IMHO.
