Bosch electric hammer bearing, which is better?

Bosch GBH2-26DRE. It's good. Bosch GBH2-26DRE speed regulation features: excellent drilling speed, optimized transmission mechanism design, extraordinary performance, electronic stepless speed regulation, sensitive and accurate starting, positive and negative rotation with the same power, hole drilling function, scope of application This machine can vibrate and drill holes for concrete, bricks and stones.