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iOS 10 tests show slower boot times, but overall smooth speeds even on older iPhones

A series of videos published on Wednesday suggest that Apple's new iOS 10 offers relatively smooth performance across iPhone models, even ones as old as 2012's iPhone 5.

The only major difference between iOS 9.3.5 and iOS 10.0.1 is boot times, iApple Bytes observed. In testing the iPhone 5, a model with iOS 10 took nearly 15 seconds longer to boot. With the iPhone 6s, that gap shrank to 3 seconds.

Scoring using Geekbench and Basemark OS II did show performance hits, but relatively small ones in most cases. In hands-on tests running apps, there appeared to be little visible difference, though iOS 10 did create mild lag — for instance when using Safari or other graphics-heavy apps.

The iPhone 6 and 6s run iOS 10 "very very smoothly," iApple Bytes commented.

Apple has regularly faced criticism for the speed hits newer versions of iOS can create on older hardware. As recently as December, Apple was targeted with a lawsuit arguing that iOS 9 rendered the iPhone 4S unfit for daily use, causing not just significant slowdowns but poor touch response, and even freezing and crashing. Apple knew iOS 9 could cause problems, the plaintiffs suggested, but benefited from not-so-subtly encouraging people to buy newer iPhones.



24 Comments

waverboy 104 comments · 10 Years

Actually, iOS 10 seems to run even faster on my 6S Plus than iOS 9 did.  Loving it!

sdw2001 17460 comments · 23 Years

waverboy said:
Actually, iOS 10 seems to run even faster on my 6S Plus than iOS 9 did.  Loving it!

Read the article again.  I know I had to.  My 6s is much faster now.  Don't know about boot time, but I don't care much about that at 3 seconds.  

thewhitefalcon 4444 comments · 10 Years

Apple rebuilt the animation system to try to bring it back to the 60FPS standard originally established by the first iPhone. That's a big reason it "feels" faster now. 

timborama 15 comments · 12 Years

I'd like to see a comparison on a 6+ (since it's crippled with only 1GB RAM).

apple ][ 9225 comments · 13 Years

As long as everything is smooth on the phone during use, who really cares about boot times?

How often do people boot their phones?

My iPhone rebooted yesterday, because of the new update, but before that, I can't even recall when I last rebooted my iPhone.

It's on 24-7-365 basically.