c177ed05_Stepper_vs_Servo_Motors_Stepper_Vs__Servo_Motors_Stepper__Hybrid_
[Characteristics] Reserve Power and Torque [Servo Motor (DC Brushed] A servo motor can supply about 200% of the continuous power for short periods. [Stepper (Hybrid)] 
Stepper motors do not have reserve power. However stepper motors can brake very well.
Stepper vs Servo Motors
Stepper (Hybrid)