Never owned a Beretta, but it is a gas gun and will kick equivalently to any other gas gun of the same weight, firing the same load. I traded for a Benelli M2 last fall, used it for waterfowl and did quite a bit of patterning with it shooting 12 gauge 3" MAG loads. My only comparison is with my Browning BPS (pump gun) shooting 3" MAG 2 oz. turkey loads through XF chokes. My impression was that the Benelli was a very light recoiler compared to the BPS (not apples to apples). Overall I would say my shoulder is not discerning enough to tell the difference between the same 12 gauge, 3" MAG load shot in a gas operated semi vs. an inertia operated semi - I think gun fit would factor in much greater as to how it feels.
