IMAX is a series of high resolution cameras, film projectors and theatres that show a film in the best quality possible. The difference between IMAX and normal cinemas is the viewing experience,  IMAX screens are much bigger and are multiple stories high and offer a clear image. The resolution is at 12k. IMAX cinemas has a 12.1 channel 15,000 watt digital speaker 

It destroy's its competition in terms of resolution as they where filming on 70 mm film compared to 35 mm other companies are filming at. This is 10 times larger than the 35 mm film.