the sytem is running on
cpu : 6700k
ram : 16gb 3000mhz
gpu : RX Vega 56 limted edition
that 250 FPS is in games like CS:GO ......
in games like forza horizon that is only giving 98FPS , but ther the screen is lagging less....
no its not lagging when using hdmi but the colors are afoul, and i really like to use the 144hz ...