It would be unfair to compare just about any team to the 2013 Seattle Seahawks other than other championship teams. The 2013 Seahawks are in the conversation for a top-five defense all-time and unlike many all-time defenses, they also had a quarterback who is on a Hall of Fame path through his first seven seasons, a Hall of Fame caliber running back, and a receiver who could definitely be in the Hall of Slot Receivers and if he plays another 7-8 years at a high level ... who knows.
Seattle’s 2018 team however had pretty much the quarterback, a hobbled version of that receiver, and the middle linebacker.