Here's a BioShock Infinite gameplay comparison video aligning the PS3 and Xbox 360 versions side-by-side for your scrutiny.
Both direct feeds were captured through HDMI outputs at 1280 x 720p, and show some of the opening scenes in the game.
If you're yet to choose which version to pick up, maybe this will help you decide...
The critically acclaimed game released in US and Europe on March 26 for PS3, Xbox and PC.
In our BioShock Infinite review we called it "a robustly-built shooter capable of trading shots with the very best in the genre", and scored it 9.1/10.