Gigabyte RX 570 4GB has low power usage, not going higher than 80W when gaming, resulting in low FPS and underwhelming performance. I checked the board power limit in GPU-Z and it
XFX Rs XXX Edition Rx 570 4GB OC Review, Mainstream Just Got Better! - Page 14 of 15 - Bjorn3D.com
HIS RX 570 Not get detected by GPU Z or AFTERBURNER - Graphics Cards - Linus Tech Tips