R9 Nano. All default settings

[GPU 0] T=-1C A=-1% sols=19.758
 
6x Rx 470 8gb 1750 strap

[GPU 0] T=-1C A=-1% sols=14.228
[GPU 1] T=-1C A=-1% sols=16.658
[GPU 2] T=-1C A=-1% sols=16.507
[GPU 3] T=-1C A=-1% sols=16.750
[GPU 4] T=-1C A=-1% sols=16.885
[GPU 5] T=-1C A=-1% sols=16.568