Size40 x 20 x 40.5 mm
65Weight60g no including accessory
Gear typeTitanium
Speed0.17sec/60º at (6.8V) 0.20sec/60º at (5.0V)
Torque(625 oz-in)45kg.cm.at(6.8V) (500 oz-in)36kg.cm.at(5.0V)
FeatureWaterproof; Plastic case, resist heat and corrosion; Aluminium middle hull, easy to eliminate heat;Adopt high quality core motor.
Horn gear spline25T-φ4.93mm
CasePlastic case
Control angle180 degree
motorCoreless motor
Operating Voltage Range5.0 V ~ 6.8 V
The servo corcuit board pictured on the top (white, red, black wire) is a budget amazon servo.  
The bottom servo is the XQ-S3240M.  There is a drastic difference in the circuitry and power capacity between the two.