Last night I started running a side-by-side comparison of Hashra Mini Controlla vs Minera

Results so far:
Hashra--RPI with qty ten 5-chip Gridseeds, no d= or p= settings
https://nicehash.com/?p=miners&a=0&addr=192wH2yhWVyjiUkzf2qppnATSvmQkuMsxA

Minera--RPI with qty ten 5-chip Gridseeds, no d= or p= settings
https://nicehash.com/?p=miners&a=0&addr=1AmREReHNLec9EaW7gLRdW31LNSDA9SGR1

I have been using Hashra for quite a while with good success.