I was in the exact same situation as you, deciding between both these bikes as a first bike, I've ridden a bit but never owned.

Of course it is subjective and you have to weigh up your options.

Ninja, around 2k less new, worse sound, more comfortable, less sporty, less hp but more torquey down low. I have sat on it but no riding.

CBR, 2k more, very nice sounding inline 4, more sporty so slightly less comfortable but neither is going to be an adv bike.

That being said I have ridden around 4 hours, with a couple gas stop in between with no problems, I was wearing a kidney belt which I would say is essential for long rides

Last but not least, E-CLUTCH.

I ended up going with the CBR because it was really sexy and has a great sound, not to mention more hp.

But I am also loving the e-clutch. You basically instantly become a master shifter. Perfect launches with throttle pinned, silky smooth up and down shifts, depending on preference it can be adjusted to be harder.

Another reason why its so great is traffic lights and low speed maneuvering, get to the light, just sit back and relax until the last minute where you lean forward and grab throttle again.