Dear all
i have some  290x cards i am looking for best C/memory setting to give max hashrate in zec

i try 1050/1450  and result is 330h/s  in some cards but do nothing in r9 290x gigabyte windforce   - max is still  277h/s

also i have some 280x - 285x  - 380x nitro cards i want to know also the best setting for it

i use win7,,8, and 10 in  different rigs with 16.9.2 - 16.8.2 drivers  v11.1 claymore