TPS7A20C: Settling Time regarding TPS7A20 and TPS7A20C

Part Number: TPS7A20C
Other Parts Discussed in Thread: TPS7A20

Tool/software:

As stated in the TPS7A20C data sheet, we are focusing on the settling time. It seems that the TPS7A20C has a faster settling time than the TPS7A20, but what kind of comparative experiment would be required to confirm that the settling time is faster? Even when comparing the data sheets for both, We cannot understand that the settling time is faster. .