Actually, no. It’s QC3.0, which is not USB-PD compatible. QC4.0 is supposed to have full USB-PD compatibility, but QC3.0 won’t fast-charge anything that expects USB-PD but doesn’t talk QC. The difference isn’t in the voltages/currents as much as it is in how they negotiate different voltages/currents.
So basically, QC3.0 can supply voltages that USB-PD would consider acceptable, but they don’t know how to negotiate that those voltages would be acceptable.
EDIT: To be specific by what I mean by compatibility, a QC3.0 charger/power bank will charge something that is USB-PD, but only at standard USB voltage/current levels, so no quick charging.