p90x vs insanity - P90X workout consists of the following: 6 days a week of workouts; three of those days are strength training; two days are cardio training, and one day of yoga. There is plenty of variation throughout the 90 days of workouts to keep it interesting and effective. Each workout is about 1 hour, but the strength workouts are followed by a tough 15 minute abdominal workout called Ab Ripper X. Insanity is a highly active workout, which helps to lose a lot of weight quickly.