Incorrect.
Lampard has managed Everton for 22 Premier League games and collected 22 points.
Benitez managed Everton for 19 Premier League games and collected 19 points.
They're demonstrable facts.
Benitez inherited a team that got 59 points the season before. He had a full pre season. He showed around a 60% decline in performance.
Last season, Lampard improved on Benitezs record.
An improvement in performance, is better than a 50% + drop. They are the facts.
But whatever Lampards shortcomings, hes not a fraud like Benitez, who was a poor mans Steve Bruce at Newcastle from memory.