yeah a 600 or 1k does it, i wasnt or am not sure yet but veg room of 4x4x8 and flower what whould be ideal?

first time on veg 4x4x8 1k mh and 1 600 hps or 2x 600 mh 1 hps ...

and flower same size. or would it be ideal for smaller room less intesity of 1k and more coverage?

im thinkin of giving each plant 7 thousand lumes