Who wins?
By entire, I mean EVERYTHING. Halo, for example, would have all of the Precursors, Forerunners, Covenant, Flood, and Humans all teamed up against ALL the Star Wars universe
They all have their technology as well. Halo has their Halo Rings and such, Star Wars has all their Star Destroyers and Death Stars and all that
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Star Wars would win over the sheer scope of available technology. I like halo more. Really I do, but I'm sorry. There is just MASSIVE amounts of stupidly advanced technology SW has at it's discretion. I won't even go into Star Wars. It's too much to fathom.