Oh? I see. Honestly speaking, Mr.5 is a prime example of having a good fruit, but in the wrong user.
From what I'm gathering, you are arguing that Mr.5's explosions = / = Deidara's. Well, obviously yes. Although, there are better examples than using him(Pain tolerance, and I'm aware of the fact it's not on Deidara's lvl but,) for example, Alabasta Usopp survived several explosions point-blank, and survived a 4 ton bat to his head.
Don't get the wrong impression, my point here is that the most "human" amongst straw hats survived several bombs that could easily kill a "normal human", while the others are just built different. In short, Doffy's pain tolerance exceeds that of Usopp (considering almost all of his inner organs got destroyed, and he survived a brutal breakdown from G4 Luffy while recovering his organs via his powers)