I've had every iPhone except the 5S. I skipped that one because I moved the Verizon and didn't have extra upgrades on my line. My iPhone 5 felt miles ahead of the 4, so I can't even imagine how mind blowing this upgrade is going to be for you!
I traded my 64GB iPhone 5 in to Amazon for $340. So then my 128GB iPhone 6 Plus becomes a $160 upgrade. Not bad, and something you might consider for the 6S. You might only have to spend around $50. My wife is really happy with her iPhone 5 and doesn't want a bigger phone, so I might use her upgrade next year to get an iPhone 6S if it has more RAM. Honestly that is the only thing that bugs me about the new models.
I traded my 64GB iPhone 5 in to Amazon for $340. So then my 128GB iPhone 6 Plus becomes a $160 upgrade. Not bad, and something you might consider for the 6S. You might only have to spend around $50. My wife is really happy with her iPhone 5 and doesn't want a bigger phone, so I might use her upgrade next year to get an iPhone 6S if it has more RAM. Honestly that is the only thing that bugs me about the new models.
So, I'm here with my trusty iPhone4 - 4 years and one month after purchasing it - trying to decide which iPhone 6 to go for.
The iPhone4 has 512MB RAM. I've just ran Geekbench on it which gave a score of 199.
Up to this week; the iPhone 4 was on the latest available operating system.
Now, I look to the shiny iPhone6+ with 10x CPU performance; over 3x the pixels (before downsampling to the physical display) but only a doubling of what is probably the most important single component in a computer: its RAM.
It is this imbalance in the growth of the basic systems of the phone that disappoints me. I don't care about a multiple Safari tabs - but I do care about being able to move between different apps without then being closed down and resumed. For some apps this is nearly invisible - but for other such as TomTom this is not the case.
An earlier poster stated very rationally that Apple have simply placed in the phones the level of RAM that is required today - and that is indeed all Apple need to care about.
However; that's not what I care about. iOS 9,10,11 will come. They'll need more RAM - computing always does - and the iPhone 6/6+ won't have sufficient RAM when this time comes. I care about length of service I can get out of this - pretty expensive - piece of kit.
But will I hold off and wait for a mythical iPhone6S/S+ next year? No, I don't think so. But I will be a little sadder over the iPhone 6/+ purchase - mindful of trouble yet to come. :-/