1.6.2 BC driver vs 1.64 with 18.3.4 driver
HEAVY and TUBE algo

GPU 0-1-4 = vega 56(64bios)samsung (56/8/2)setup
gpu 2 = vega 64 Liquid (60/8/2)setup
With BC driver 1.6.4 have more error
With 18.3.4 gpu go more overclock:)
1.6.4 have more HR
18.3.4 driver not need disable/enable vega , and not need start with 60int first.
but if use v7 algo and back to heavy  HBC memory not work.(need restart)

1.6.2 BC driver- this is maximal setup wtihout error
https://image.prntscr.com/image/14SysMMOQOS7zviWPlF-Yg.jpg

1.6.4. 18.43.4 driver without error
https://image.prntscr.com/image/A3SjEnciQ4C0yPzjnPuWPQ.jpg