iPhone 14 Pro vs iPhone 15

I'm looking to upgrade from my iPhone 12 Pro Max and I have either the 14 pro or the regular 15 in mind, I do want the 120hz refresh rate of the pro but I've heard many complaints about its battery degradation. Since I am a guy that'll keep the phone for well more than a year I'm looking for something that will last at least 3 years without a battery swap. I've seen a couple of articles online about apple fixing the 14 pro battery with a software update but I'd like to hear the opinion from an owner. If the battery still degrades fast I'll have to sacrifice the 120hz and go on with the base model 15