The problem isn't the chip. it's Android. iOS runs better on a slower chip because it's properly coded.
Making faster chips to try and make up for crap coding is a bad choice.
If you could run Android on an iPhone, it would be very slow.
If you could run iOS on an Android phone, it would be very fast (not taking into account Metal etc).
Sort out the problem instead of bodging it. However, Android has come too far and been too screwed up with add ons, widgets and...