Tube pinout is the same but the tube characteristics are not.
6ES8
https://frank.pocnet.net/sheets/049/6/6ES8.pdf
6922
https://frank.pocnet.net/sheets/049/6/6922.pdf
6ES8
https://frank.pocnet.net/sheets/049/6/6ES8.pdf
6922
https://frank.pocnet.net/sheets/049/6/6922.pdf