Which one ?

Flip a coin.

Both are good, but IMO Bioshock Infinite is better, the story is awesome and it is pretty nice to play it

I would pick Bioshock. It has great atmosphere and story, but rather repetitive gameplay. I personally prefered Far Cry 3 to Tomb Raider (I found them similar to each other) and I stopped playing Tomb Raider after 6 hours, but it's quite fun to play so I will probably return and finish it when I'll have more time.

Good first person shooter - Infinite, Want Lara? - Tomb Raider.

Bioshock Infinite. Get Tomb Raider too if you can.

Have both but i prefer Bioshock Infinite but the choice is yours and depends on what you expect. But TR is really good too. Bioshock - More shooting, complicated storyline, no puzzle, no push this buttor or you will die, etc :D

I played both, and I like Tomb Raider more then Bioshock.

Tomb Raider. Because Tomb Raider is life. <3

I would have to go Tomb Raider. Bioshock Infinite is a good game, but I like that action to games, which is what Tomb Raider had.