New build: (d76cd8a) (9e51f0b)
This new version doesn't do well for my R606. I've tested on my Win7 Desktop and my RPi 3.
9e51f0b
Win 7 PC
Power Frequency HashRate
4 556.25 741
5 588 745
6 588 765
7 572 738
RPi
4 575 748
5 575 738
6 606.25 760
7 581.25 768
5/29/19 build
Ubuntu 18.04 MSI GT80 Laptop
5 675 867
6 731.25 935
a62385f
Win7 PC
4 562.5 736
5 631.25 804
6 656.25 811
7 668.25 838
RPi
4 568.75 748
5 618.75 798
6 662.5 823
7 668.75 837
I've never achieved 750Ghs at Power Level 4 nor approached 1Ths.
Edit: Ubuntu on my laptop does seem to do much better.