Both Weightlifting And Powerlifting are strength sports with some differences.
Weightlifting is a physical activity in which you need to lift weights, depending on the caliber of an individual, the main motive of this sport is to develop the strength and size of skeletal muscles.
On the other hand Powerlifting has the main focus to gain some weight and increase your body size to make you look bigger. As a sport, you are provided three attempts at maximal weight on three lifts: squat, bench press, and deadlift.