java - Frame rate drop in android 3.0 and higher devices why? -

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drawing bitmap on canvas using " rectf " slower in nexus7 (dual or quad core..some 1-2 gb ram) version4.3 compared old device galaxy y version2.3.3 (256mb ram 800mhz)

i totally confused ,what missing ,is related hardware acceleration,sdk ?

can 1 please explain me old vs new sdk performance


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