The VWAP may have a slightly different value on a 5 min chart compared to a 1 min chart. The reason is that the volume distribution within a bar is not known and can only be estimated. The 1 min VWAP is therefore more accurate than the 5 min VWAP.
The difference of 0.01can also be explained, if one of the indicators runs in CalculateOnBarClose = false and the other one in CalculateOnBarClose = true.