no one can really tell since each GPU/CPU arent the same and you might experience worse overclockability with your parts, thats why theres something called silicon lottery. but you can watch or read guides on how to overclock your RTX 2070 super and get a general idea on what to do and what to expect.
but make sure you have a good powersupply and good airflow in your case to have good results in your GPU OC.