# CPU usage: Motion or Shape tween?

**URL:** <https://forum.kirupa.com/t/cpu-usage-motion-or-shape-tween/33098>\
**Category:** flash\
**Created:** [October 15, 2003, 7:48am UTC](https://forum.kirupa.com/t/cpu-usage-motion-or-shape-tween/33098 "2003-10-15T07:48:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![soulty](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/soulty/32/105_2.png) [@soulty](https://forum.kirupa.com/u/soulty)\
**Post date:** [October 15, 2003, 7:48am UTC](https://forum.kirupa.com/t/cpu-usage-motion-or-shape-tween/33098/1 "2003-10-15T07:48:40Z")

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Hey

Just wondering if there is any difference in the CPU usage of a motion tween and a shape tween.

I know what each are capable on doing, but say both were doing basically the same thing, like a simple Alpha tweens. Which would you prefer to use and why? does either of them take greater amount of processing power?

😏