~ といっても間違いない => although I say; although one might say ~ it doesn't matter ... N1
Explain
と違って => different to N2
Compare
間 => while; during; between ~ N4
瞬間 => At the very moment N3
Short period of time
間に => while; during~ something happened N4
をもって => with... N1
Means and methods
をもって => Since the time... N1
Time
[間「あいだ」]/[間「あいだ」]に => During A, During A (before A is finished/over) N2
Time, Situation
でもって => by means of; with N1
Means and methods
もし~としても/もし~としたって => Assuming; Even if ~ N3
に相違ない => without a doubt; certain; sure N2
にあっても => Even in the situation... N1
Things do not match the prediction