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Message: <blockquote data-quote="chathuramk" data-source="post: 22245040" data-attributes="member: 157018"><p><strong><span style="font-size: 18px"><span style="color: RoyalBlue">Reason for iOS more optimized than Android?</span></span></strong></p><p></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen">Apple designs their  own ARM CPUs which are quite a bit faster than the ones used in Android  devices. While Android manufacturers have improved their benchmarking  speeds by adding cores, Apple have made the individual cores faster.</span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen">In  real life, most apps don’t use four or eight threads. That figure is  usually around 1.5. So fewer faster cores are usually better than more  slower ones.</span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen">On identical hardware, iOS and  Android system software would perform similarly. Android is based on the  Linux stack. Apple on a Unix stack. Apple system software tends to have  a bit of an edge in media playback. Apple’s media stuff is very well  engineered and makes use of the known hardware.</span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen">On  identical hardware, iOS and Android apps don’t perform the same. The  reliance on Java for Android is a bit slower than optimised native code.  But the biggest difference is memory management. Java relies on a  garbage collection scheme, which periodically must halt operations to do  clean up, and tends to need more headroom to work.</span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen">The  ARC system used on iOS is much better in constrained memory cases. To  get round this many Android phones ship with double the RAM, to relieve  this problem.</span></span></p><p><span style="font-size: 15px"><span style="color: DarkGreen"></span></span></p></blockquote><p></p>

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