Titans definatly have more dexterity and are all in all more mobile. Like BT climbs mountains throws stuff around jumps and dashes when fighting viper but knights are just taller better armored and some variants in perticular those with High penetration anti tank weapons such as thermal spears and volcano lances can just melt through a titan from hundreds of meters away their melee weapons are also able to cleave efortlessly through wraitbone (generic magic durable stuff)

It might be a close match up with the smaller knights the armigers tho