win7 x64,
nvidia 430.64
1 rig - 4x1080ti, mem +500, OhGodAnETHlargementPill, strap 4, 59.4 Mh/s per card;
2 rig - 4x1070ti, mem +600, strap 1, 34.3 Mh/s per card.

Thx! With 18.6.1 driver - 1730hs (1550 core).

my result vega64 1550/920, 1100/920 heavy algo.
Is it possible to make more than 1700hs?

Vega 64 + last rocm

1070ti, lyra2z, 2.1-2.2 H/S
but.. gpu power - 60W ?  

4 x 1070ti,
0.862V core = 75-80W per card.