This question is in my mind for a while.

Now I have 2 RigS of AMD+Nvidia, I use MSIAfterBurner and Radeon Settings for tuning my card.

99% of my cards got very close hashrate as the card that already mod bios (Not sure about power consumption rate).

I know that if you have many many rigs flash gpu bios is very useful, but in my case I only have 2 rigs and I am fine to resetting again when system error or new card installed.

So does flash GPU bios has another benefit that I miss? Should I learn do that?