You know, this being the DmC section and all, you could just say "Dante".
I don't think anybody would be confused.
Don't know if you were replying to me, but I keep specifying because I'm talking about both versions, so if I don't, I'll be the one confused.
Considering in DMC4 dante is a casual 100+ tonner without dt , and by DMC2 is even more powerful again in base form i don't see ndante ripping him in half.
Just quoting to say that I really don't buy this DMC4 before DMC2 chronology.
Here is how I see this "power lvl" thing between various versions of Dante. Dante in DmC is young and only gets to (apparently) master the full range of his powers by the end of his fight with Vergil, red DT eye and all that. So that would put him right there with the DMC3 version, considering they have about the same experience/skill.
To make things simple, I'll just assume that regarding power and experience, Dante is the same character across DMC1, 2 and 4. But I really don't see anything in either of those games that shows the older Dante as someone actually stronger than before. I do see him being more cool headed and mature (to an extent), so he fights better, as we see against Nero. And maybe that's just me, but his "power level" seems almost the same. Even more so in DMC4.
The only times I remember Dante showing a huge boost in power is agains Mundus and in some alternative DT forms in DMC2. But in both those cases I believe there was a Devil Arm or other special artifact involved in said power boost, wasn't it? Sparda's sword and etc.
Do point out if I got something wrong here, but I think older Dante with a traditional equipment would beat DmC Dante by skill, not by raw power.