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The 5 didn't run ios 7 just as well as 6, at least certainly not 7.0.

I thought it did? I got my iPhone just before 7.1 was released, and friends and family thought it was the same? Heck the 4S that I used occasionally (a family members) felt almost as fast on iOS 7 as on 6 tbh.
 
my iphone 5 from ios 6 -> ios 7, maybe a tiny slowdown like tiny? ios 7 -> ios 8 gm, i cant tell whatsoever, & i have eyes that can see the difference between 50 -> 60 fps, ios 8 is butter on my 2 year old phone
 
my iphone 5 from ios 6 -> ios 7, maybe a tiny slowdown like tiny? ios 7 -> ios 8 gm, i cant tell whatsoever, & i have eyes that can see the difference between 50 -> 60 fps, ios 8 is butter on my 2 year old phone

So many conflicting views :p
 
iPhone 5c Stutters on iOS 8 GM

So many conflicting views :p


Actually the thing is ios 8 is not the same in 100% areas

In 40% areas its better than ios 7
In 40% same as ios 7
In 20% more lag as ios 7

So decide for urself

This is only speed. In features its 100% better
 
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