Interesting. I have the rDNA40, VF V3, VT40, Lavabox DNA200, VT133, VT75 and SDNA75 and my DNA40 are always better in temp control, of course only in Ni200. Using the same build, if I vape at 480F on my DNA40 mod, I have to raise to 510F on my other DNA mods to have an ALMOST comparable vape.