In total there is only 8g in weight difference between Centaur and Chorus cold forged brakes, but if you take the brake blocks out they weigh the same, which could tell you a lot about Centaur brakes.
The front is a dual pivot item to increase braking power at the slight expense of a little more required cable pull. The rear is a single-pivot unit to reduce weight, as outright power isn't required on the rear brake. The front brake features reasonable modulation and control, but feels lacking in progression.
After trying assorted brake pads the feeling remained, so it's clearly not down to the friction material and is more a trait of the brake's performance. The rear can be a little grabby at times (depending upon your rims, of course). But switching to good quality aftermarket pads such as Swisstop solves that problem and reveals a smooth brake with more than enough power available.