iOS 4.3 - Safari JavaScript engine benchmarked

iOS 4.3 - Safari JavaScript engine benchmarked

Summary: A number of you have asked me to benchmark the Safari browser in Apple's latest iOS 4.3 update. Here you go ...

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A number of you have asked me to benchmark the Safari browser in Apple's latest iOS 4.3 update. Here you go ...

iPhone 4

iPad 1

iPhone 3GS

Bottom line - Singnificant imporovements in JavaScript performance across the board with this release.

Just to put these numbers into perspective, Google Chrome 10 beta on my quad-core Windows 7 machine completes the SunSpider JavaScript is around 300 ms.

In my (short) windows of testing iOS 4.3 I find this new release to be robust, reliable and snappy.

Topics: iOS, Apple, Browser, Google, iPhone, Mobile OS, Windows

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34 comments
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  • RE: iOS 4.3 - Benchmarked

    Something seems odd with this picture. I'm getting consistent ~195ms with IE9 RC and ~230ms with Chrome 10 on a E8500 Core 2 Duo machine. Your system should be blowing mine out of the water.<br><br>That said, on topic: more than doubling javascript execution speeds is awesome. Good job Apple, and I don't even like them.
    Aerowind
    • Multiple speed factors

      @Aerowind The first factor is the core speed, as the Sunspider test only runs on one core. Remember, quad is not always necessarily better than duo. The second factor is what else you have running, such as antivirus, etc. Both could show your machine to run faster than Mr. Kingsley-Hughes.
      keebaud1
      • RE: iOS 4.3 - Benchmarked

        @keebaud@...
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      • RE: iOS 4.3 - Benchmarked

        @keebaud@...
        This was an excellent read, as always. Great stuff like this is what keeps me coming back.
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        epark732
    • RE: iOS 4.3 - Benchmarked

      @Aerowind Chrome is based on the Safari engine - so when they worked out how to make JavaScript faster, their code has to make it back to Safari. The work the Safari team did was just to tear out any Chrome-specific stuff.
      jmschattke9
      • RE: iOS 4.3 - Benchmarked

        @jmschattke@... Chrome is not based on the Safari engine. Both Chrome and Safari are based on the same open source webkit engine. That's not the same thing and don't imply that Chrome owes something to Safari. It doesn't.<br><br>What's obvious is that Google has done a much better job at exploiting the open source engine than Apple.
        mrxxxman
      • RE: iOS 4.3 - Benchmarked

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      • RE: iOS 4.3 - Benchmarked

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      • RE: iOS 4.3 - Benchmarked

        Oh I never thought that chrome is base on the safari search engine.
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    • RE: iOS 4.3 - Benchmarked

      @Aerowind But how does that compare with Android phones and tablets?
      mrxxxman
    • RE: iOS 4.3 - Benchmarked

      What a great read, thank you for sharing this. I'll be sure to check back to see if any more relevant content is posted.
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      epark732
      • RE: iOS 4.3 - Benchmarked

        @epark732
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  • Javascripts

    Yes. Benchmarking javascript is important, but there's more to it than that. How about page redering of HTML not containing javascript?

    Is there a more complete benchmarking kit out there?
    People
    • RE: iOS 4.3 - Benchmarked

      @People I'm also curious if there is a more complete benchmarking kit available?
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  • RE: iOS 4.3 - Benchmarked

    Their speeds are finally catching up to Froyo 2.2 speeds.

    Next up! They'll patch to get up to the speeds of 2.3.3 Gingerbread. Of course, we'll be at Ice Cream Sandwich by then...
    Droid101
    • RE: iOS 4.3 - Benchmarked

      @Droid101 DO you really need that to be confident that you did not make the wrong choice with Android ? Be happy with what you are, and please don't brag, especially when you are not sure about the results. iPhone 4 javascript rendering is much faster than Nexus S.
      atari_z
    • RE: iOS 4.3 - Benchmarked

      @Droid101

      So do you have some numbers to back that claim up, or are you just talking out of your backside?
      alsobannedfromzdnet
      • RE: iOS 4.3 - Benchmarked

        @alsobannedfromzdnet
        I have numbers, called "watching my phone, sitting next to an iPhone, loading the same stuff, over and over, on an identical wifi network."

        Stats can be used to prove anything. Try this: use your eyes.
        Droid101
    • RE: iOS 4.3 - Benchmarked

      @Droid101

      So how many have you watched since the update was released a few hours ago?

      Hey if you ask nicely one of your iPhone 4 using friends might let you use the wifi hotspot that was also added with the update.
      alsobannedfromzdnet
    • Only for JavaScript.

      @Droid101

      On everything else, the code of native Apps on iOS blows away everything but NDK developed apps on Android. And since people spend more time in Apps than browsing....

      You put the picture together.
      Bruizer