I have nothing to compare it to since I just started last month.

But I'm having problems even getting over 15MH on my XFX RX-580! I usually run about 9ish.

It's on an old ASUS P6T-SE which is PCIe 2.0 but GPU-Z says 580 can run on a PCIe 3.0.

Could that be why its not working as hard as everyone elses 580s, or has anyone had 20+MH on an old MOBO with this card?

Thanks!