Top tier hit squad, as in the best regular hitters the agencies had to offer, same as what Bourne faced in France. Cross glided through, Bourne limped away.
Bourne would have been cooked in India had he not switched seats with Marie, so one shot does not decide everything. He was, however, caught unaware and shot successfully by the Russian later. Cross only ended up shot because he was protecting the Doctor..
I do agree that he should have faced off against the killer from LARX, though. As I said, those scenes were the hallmark of the previous films and more or less did the most to flesh out Bourne's acuity.
Every single analyst in the movie describes Cross' program as beyond Bourne's and LARX as the successor to that. Cross cake-walked the hit squad and was untouched by any of the security teams he ran up against. Bourne did well also, but he wasn't unscathed by his encounters.
Cross is basically all the good of Bourne amplified with none of the side effects. He freaking heard a drone coming miles out in the middle of a storm. His sensory ability, perception, reaction time, and every bit of genetic make up outclasses Bourne. I'm not going to discuss his HF further because I think we've already put out enough of the film's action, but the scene that follows the tracker incident more than speaks to how quickly is back to near 100% and what 100% is for Cross.