FIRE advantages:
-Can generate Electricity (using heat and thermocouples to generate electricity)
-Capable of cooking things quickly
-Capable of destroying things quickly
-Plasmaaaaaaa!
-Capable of using different colors (for different types/temperatures of fire)
SHARED advantages:
-Both can probably generate infinite energy
ELECTRICITY advantages:
-Can generate Fire (by heating a circuit up with excess electricity)
-Capable of manipulating minds (nerve impulses)
--Infinite life? Restart your organs/heart.
-Capable of certain strange attacks (ball lightning?)
-Powerful against animals - the whole amperage thing above
-Almost everything uses it to function
-Robo suit, anyone?
Definitely electricity.