What's the diffreance in the change from TT F1 to TT Super bikes?

TT Superbike.
Machines complying with World Superbike and/or British Superbike specifications:
Over 750cc up to 1000cc 4 cylinders
Over 750cc up to 1000cc 3 cylinders
Over 800cc up to 1000cc 2 cylinders

TT Formula 1.
Four stroke machines over 700cc up to 1010cc, 4 cylinders maximum,
500cc GP machines manufactured after 1994.