my MSI rx560 aero 4gb oc (hynix) only got 10.9 - 11 mh/s and i saw a lot of users which has type same as mine can reach 12 mh/s or more? 
i've tried copy 1625 to 1750 and upper then on afterburner i set cclock 1196, mclock 2100, fan 80 and limit power +60.
if set core clock more lower, hashrate went down too  and when temp reach 60 celcius core went down self:-[
i used claymore v10 to mining eth on nanopool
any trick that i can use to reach 12 Mh/s or more?

mobo GA gaming b8
Intel CPU G440 @3.30GHz
4gb DDR4 RAM
win 7 64bit
crimson relive 17.8.1