Answer

It's normal that you can't use game boost and xmp at the same time. but you can always turn on game boost and manually oc your memory: OC -> Extreme memory profile(X.M.P) -> Enabled

Models

H110M PRO-VD D3, Z170A GAMING M9 ACK, H110 PC MATE, Z170I GAMING PRO AC, Z170A SLI PLUS, H110M GRENADE, H110M PRO-VDL D3, H170A PC MATE, Z170A XPOWER GAMING TITANIUM EDITION, Z170M MORTAR, H110M PRO-VH, H110M PRO-VH PLUS, Z170A GAMING M5, Z170 KRAIT GAMING, Z170A-G45 GAMING, Z170A KRAIT GAMING, Z170-A PRO, Z170A SLI, H110I PRO AC, Z170A GAMING PRO, B150 GAMING M3, H110M GAMING, H110M PRO-VD PLUS , Z170A GAMING M3, Z170A-S02, H110M PRO-VHL, Z170A PC MATE, H170A GAMING PRO, H110M ECO, H110M PRO-VD, Z170A GAMING PRO CARBON, H110M PRO-D, H110M PRO-VDL, H110M PRO-VDP, B150M BAZOOKA PLUS, H110M-A PRO M2, B150 PC MATE, B150A GAMING PRO, B150M MORTAR, H110I PRO, H170 GAMING M3, Z170A GAMING M7