I still have a note 2 from that time and it is still a full working phone having most of the latest apps.
iPhone 4 is already a dead phone (even if hardware has no issue). iPhone gets obsoleted faster than android not the other way round.
Performance from CPU? Now the exisying A11 CPU beats anything Android by a wide margin. But iphone overall performance is still behind. Go figure.
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Many ifans like you didnt know this
In fact, this simple implementation imo is better than the convoluted iPhone continuity/handoff.
Fact is you can do so much more with android. The question is whether you are willing to take up new use cases and have your phone do more for you.