Yes, Samsung Galaxy A50 does have a 3.5 mm headphone jack.
Yes, Galaxy A50 has an in-display fingerprint sensor.
Yes, Galaxy A50 does have the support for the face-unlock. Besides, it also has an in-display fingerprint sensor.
Yes, Samsung Galaxy A50 does have fast charging support. It comes with 15W fast charger in the box. It takes about 30 minutes only to charge the mobile from 0% to 30%.
During our test review, we got 145,408 AnTuTu score for Galaxy A50.