In John 8:58 it is egō eimi and in John 6:20 it is eimi egō.
John 8:58 is translated "I am" and John 6:20 is translated "It is I" except for instance in Young's Literal where it is translated "I am."
More importantly as we have testified repeatedly on this thread, the context of John 8:58 - whether looking at the dialogue of John 8:48-59 or better still, the Gospel of John - vis-à-vis Scripture as a whole is unmistakeably clear:
God's Name is I AM!
A-G, I’m looking at the text online at virtualseminary.com and for John 6:20 it’s ego eimi in the TR, the WH, and the Byz
WH: (Greek NT - W-H ) John 6:20 o de legei autois egw eimi mn fobeisthe