hiveos 0.5-60
tdxminer/0.2.2.2
MB gigabyte h110-d3a

 0 01:00.0 Radeon RX 470 (4096M, 113-V34121-F1, Samsung K4G41325FE)
 1 03:00.0 Radeon RX 570 (4096M, xxx-xxx-xxx, Samsung K4G41325FE)
 2 04:00.0 Radeon RX 470 (4096M, 115-D000PI20-100, SK Hynix H5GC4H24AJR)
 3 05:00.0 Radeon RX 570 (4096M, 113-D00034-S07, SK Hynix H5GC4H24AJR)
 4 06:00.0 Radeon RX 570 (4096M, 113-D00034-S07, SK Hynix H5GC4H24AJR)
 5 07:00.0 Radeon RX 480 (4096M, xxx-xxx-xxx, SK Hynix H5GC4H24AJR)

[2018-06-26 08:48:45] Stats GPU 0 - lyra2z: 2.728Mh/s (2.721Mh/s)
[2018-06-26 08:48:45] Stats GPU 1 - lyra2z: 2.423Mh/s (2.417Mh/s)
[2018-06-26 08:48:45] Stats GPU 2 - lyra2z: 2.224Mh/s (2.229Mh/s)
[2018-06-26 08:48:45] Stats GPU 3 - lyra2z: 2.635Mh/s (2.631Mh/s)
[2018-06-26 08:48:45] Stats GPU 4 - lyra2z: 2.644Mh/s (2.637Mh/s)
[2018-06-26 08:48:45] Stats GPU 5 - lyra2z: 3.141Mh/s (3.134Mh/s)

setting core and memory frequencies does not change anything at all
so it's not about memory or frequency