Yup! If it was the same there would be no reason to ever use it, since most curved with the hammer ellipse already require you to go slower.

Uhm that is literally the best thing about double curve hammer e. In fact you could argue it is better than all the other attachments as it means you are able to create ultra wide curves with minimal punishment from spread. Master its curve and you will be rewarded (i was never bothered to master it because it is imo unsustainable in a high intensity match)