In order for you to play BioShock Infinite on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 14.10, Mint 17.1 or similar Linux distribution
Processor (CPU):
Intel Core 2 DUO 2.4 GHz / AMD Athlon X2 2.7 GHz
Memory (RAM):
4GB
Hard Disk Space:
20 GB Free
Video Card:
NVidia/AMD OpenGL 4.1/DirectX 10.0 level compatible
Video RAM:
1GB
Sound:
ALSA/PulseAudio compatible
In order to play BioShock Infinite on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Processor (CPU):
Intel Core i5 3GHz (or similar AMD processor)
Memory (RAM):
8GB
Hard Disk Space:
30 GB Free
Video Card:
NVidia/AMD OpenGL 4.2/DirectX 10.1 level compatible
Video RAM:
2GB
Recommended Graphics DriversnVidia:
NVidia 340.65 or better. 331.xx series are unsupported and will not work correctly.
AMD:
AMD Catalyst (aka fglrx) 15.7 or better
MESA drivers and
Intel Graphics are not currently supported.