In terms of comfort, petzl c5 1 Because the lumbar support is longer, the score will be higher.
As for durability, the hanging point of beal aero team has only one upward hanging point, which is of medium durability, because the padlock and lanyard are at this point; Petzl c5 1 will have two hanging points: a protection ring, a waist ring and a leg ring. Relatively speaking, the durability is above average.
Regarding the price, the beal aero team won completely.
As for the use, it is comparable and a very safe and mature product.
To sum up, the difference is mainly in comfort and convenience. Of course, primary activities such as falling rocks may give more consideration to comfort, because there are not many complicated terrain and operational requirements.