there is no contest of any form between the two, other than fan base. Its not even a fair comparsion Technology - 40k wins. Light sabres cant parry explosions. Bolters fire exploding rounds. Blasters are at best equilvent to lasguns, hello power armor lets not even talk about terminator or artifictor armor. Force/Psychic powers force users shoot lighting and choke people. Libarians suck out your soul, and you cease to exisit. jedi's wear robes, space marines captins where iron halos. Iron halos can stop the deathstar, robes wont stop a rock.