ART against Dalvik – video comparison

With the release of Android 4.4 KitKat operating system, users got the first experience of ART, the Android Runtime that will eventually replace the outdated Dalvik.

ART is designed to use ahead-of-time compilation, which means your apps are compiled in a ready-to-run state from the very first time you install them. In laiman’s terms, ART is said to launch apps much faster and without some of the lag issues found in Dalvik.

android-4.4-dalvik-art-settingsIn the demonstration video made by Reddit user lodc, he used two Nexus 7 (2013) tablets both running Android 4.4 KitKat ROM. One was set to run Dalvik , the other was running ART. He launched the quite abundant Photoshop Touch at the same time on both devices, several times in a row. ART won every time by a second or two. Seen from the video, things should get much faster. Depending on the apps, ART supposedly launches them as much as 50% quicker. Whether or not this is only a placebo effect is still a matter of discussion.

Accorgind to Google, ART still isn’t quite ready for primetime release and needs more optimization tweaks. So it wouldn’t be realistic to determine its performance just from one video or subjective KitKat configuration. Nevertheless, ART shows a lot of potential.

Due to the fact this is still an experimental runtime, many apps are confirmed incompatible. To name a few – Call of Duty: Strike Force, Pandora, WhatsApp, Titanium Backup and Kingdom Rush.


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About MMWolverine

Inter-lingual communicator by profession, Marko is a technology enthusiast. He fell in love with Android little over a year ago, now spending most of his time on xda-developers and similar forums. Quick learner and always there to help. Contact him at
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  • omdatura

    Wherefrom in Kitkat Menu can I change the runtime framework ?