I don't know where to start.
First of all, anyone who has an electric toothbrush understands what we mean when we say "after brushing, my teeth feel clean." Well, even though I didn't expect it, while I brushed my teeth with other models from Oral-B, I noticed a difference in cleanliness compared to previous models. I didn't expect it!
Also, the battery really lasts much longer than previous models.
The noise is noticeably reduced. Overall, it doesn't bother you like the previous ones.
The brushing technique is indeed different from previous models. I wouldn't say it's positive or negative, in fact, I randomly noticed it and I'm not an expert to judge if it's better or not.
The design is fantastic.

With that being said, it is indeed expensive.
In my personal opinion, it's worth the money. HOWEVER, if you have extra money, go ahead and buy it. But if you're really considering the price, then no, don't buy it. The previous models do a great job as well. It's really better, but not to the extent of saying, "Hey, don't even look at the previous models, go straight for this one." It's good, but only if you have extra money and if the price really concerns you, then it's not worth buying. In other words, the previous models offer better value for money.
I hope my review helped.