They both had development done by Panasonic.
Alright, cool. Doesn't mean that they're the same.
Here's an example of your argument:
A dog has 4 legs, is a mammal with a tail.
A mystery animal also has 4 legs, is a mammal with a tail.
Does that mean the mystery animal is a dog? No, because the mystery animal is a cat. You have too little information to jump to a conclusion.