That is the verdict of player-turned-pundit Alan Shearer.
Marcos Alonso gave Antonio Conte's side a first-half lead, before Eden Hazard and ex-Arsenal skipper Cesc Fabregas extended the lead.
Olivier Giroud netted a consolation but the damage was done, with both midfields very different in approach.
Alan Shearer hailed N'Golo Kante's work rate in Chelsea's London derby with Arsenal
Arsene Wenger had few available options to choose from, resulting in Francis Coquelin playing alongside Alex Oxlade-Chamberlain in the middle against Nemanja Matic and the relentless Kante.
The latter has shown his importance to the Chelsea team this term since his £30million arrival from Leicester last summer.
And on BBC's Match Of the Day, Shearer hailed the midfielder's influence.
Chelsea player ratings from emphatic win over Arsenal
Sat, February 4, 2017
Express Sport brings you Chelsea's player ratings from their emphatic win over Arsenal at Stamford Bridge
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Express Sport brings you Chelsea's player ratings from their win over Arsenal
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Chelsea boss Antonio Conte was thankful for N'Golo Kante's contribution against Arsenal
We've said it many times. [Kante] was just superb today
"I don't think I've ever seen a guy who's as fit as this guy, who gets around the pitch as much as this guy, Kante," Shearer said.
"How many times he breaks up play, stop the opposition in their tracks, and he can play as well.
"We've said it many times. He was just superb today. The amount of grass that he covers, the moves he breaks up, setting up [Diego] Costa.
France international N'Golo Kante celebrated after Chelsea's win by meeting actor Will Ferrell
"They (Arsenal) couldn't live with him today."
Kante has started 23 of Chelsea's 24 Premier League matches this term, having established himself as a key figure under Conte.
And after the win against Arsenal, the 25-year-old passed praise onto the rest of the side, as he tweeted: "Wonderful win today. So pleased to play with such talented team-mates at Chelsea."