T-90S has less than 700mm RHA equivalent frontal armour against kinetic apfsds, not exceeding that without ERA.
Naiza 1 is close to 600mm @ 2km, 580mm is certified.
NAiza 2 is prett much classified, but is estimated to do somewhere between 630-660mm RHA @ 2,5km.
VT-4 brought with it a new...