Either works, depends on the mechanics of the game overall, but a board is offen nice.
Think of it this way: What kind of experience do you want players to be able to have?
Complex, indepth, an afternoon of fun? Try a board for keeping things front and center where all can see and keep track.
Simply, quick fun, many rounds/hands per play, mobility so you can play it in a public place (like a coffe shop)? No board!