Oddly, I have found my Allez Sprint to be more comfortable than my Domane. Four years separate the model years, for reference.
I know a lot of riders have criticized the Sprint for a harsh ride, but in my experience, I’ve found it to be as comfortable or more comfortable than my old Domane. The fork absorbs a lot of the road, and the seatpost, despite being quite thick, really dampens any vibrations in the saddle. I’m also a lighter rider (65 kg) and I felt like the ISO Speed on my Domane was throwing me around on the saddle even on small bumps compared to the Sprint where I feel comfortably planted the whole time. This allows me to keep the power down more, and ultimately stay faster.
Eventually, I will get new wheels on the Sprint, and I plan on getting Enves so I can then run around 55 psi tubeless. So the comfort I’ve already found is going to get even better down the line.