Question about OPPO Reno6

Yes, NFC is on board. However, I would recommend a Poco F3, because it has a much better processor and an AMOLED screen that is almost twice as bright with 120 Hz (Reno6 only 90 Hz) and costs even less.

Xiaomi Poco F3 (128GB, Deep Ocean Blue, 6.67", Dual SIM, 48Mpx, 5G)