Generally smaller nanometre designs are a lot more power efficient. Your old iPhone will do just fine yes - but imagine if it had twice the battery life? Now w

Generally smaller nanometre designs are a lot more power efficient. Your old iPhone will do just fine yes - but imagine if it had twice the battery life? Now why they just keep massively increasing power as efficiency goes up is beyond me......I think a lot of people would love a new iPhone with a processor a bit faster than your old iPhone 6 but with insane battery life.