If the Rasengan is superior to the Chidori, why didn't Naruto beat

The Perfect Rasengan : r/Naruto

Who's Got the Biggest Balls or If Konohamaru can learn rasengan you can too

naruto - Why didn't Tobi use Kamui when Minato used Rasengan? - Anime & Manga Stack Exchange

Convince me that Naruto and Sasuke were actually equals during their last fight, despite the fact that Sasuke needed all the tailed beasts (which won't always casually be gathered in one place)

Naruto Ninjas Who Can Beat Sasuke

Waiting on Boruto to add his lightning style to the Rasengan. I think either Raitonrasengan or Rasenchidori would be a perfect name. : r/Boruto

Naruto: Top 10 Best Lightning Style Users, Ranked

That moment when Sasuke understood why the anime is called NARUTO : r/Naruto

Rasengan or Chidori? I ARE AWESOMENESS

How strong would Naruto be if he continued to train hard even after he became Hokage ?? - Gen. Discussion - Comic Vine