Sasuke gets visual boosts naruto gets physical boosts its that simple but this thread is correct naruto gets boosts in chakra which boosts, jutsu power, stamina, health, durability..physical boosts for naruto is automatic mastery, once he gets a physical boost he's automatically faster and stronger while sasuke's visual boosts take time to master, he gets new jutsu that he's never used doesn't have time to master at the moment its given...I mean look how long he's had susano and look how long it took him to get PS... The same for amaterasu he didn't on first usage use shape manipulation... His s/t could only use it 3 times before it has been to be recharged and later on increased range. Same for any visual power even kamui took time to be proficient at just look at kakashi's throughout his kamui usage
It's true Sasuke power is eye power and Naruto's is body power, but the body power isn't just a power boost. It goes beyond that. It allows the users to obtain new jutsu IE: frog fu, TSB, and chakra claw. Those jutsu takes time to master. Naruto had to train to obtain most of his body power, while Sasuke obtain most of his eye power from an event he experience.
It doesn't stop there. Naruto also gain a lot of new abilities. TSB gives him the potential to use any KKG element. The TSB is the combination of all the elements/ying-yang. The manga stated to use KKG elements the user simultaneously creates the necessary elements and then combine them together. So if he combine all the elements/ying-yang together he can combine any combination of elements/ying-yang he wants. That takes time to master.
That's the reason Madara used storm release against Naruto -
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Even with the power boost Naruto obtain from his body power he didn't automatically master it when he obtained it. The first time Naruto used his speed boost from kurama's chakra he got his foot stuck and hurt him. It took him several tries to pass A.
If there was nothing for Naruto to master as so many claim then Naruto would have passed A on his first try. Then he would have easily defeated Sasuke after the war because he would have used the TSB to erase all of his jutsu.
I can see this is just any thread to limit Naruto's power.
The main difference between Naruto's body power and Sasuke's eye power is Naruto's power focus more on ability then jutsu, while Sasuke's power focus more on justu then ability. The rinnengan has several set jutsu it automatically gives the user.