Lumia 920 freezes

[nadeemkilik]

Guys i own a Lumia 920 (running 8.1 update 1) and when i start any game the mobile freezes for 5-6 seconds and then resumes tested games (MC5, GTA SA, Asphalt 8, Blitz Brigade, Shark evolution, dark lands, almost all games), is this normal or is there any solution for this freezing issue it is very annoying, any help will be much appreciated.