Moses Gunesch the creator of FuseKit created a very nice open-source tool called TweenBencher. The utility can be used to chart animation performance through the Flash Player’s framerate over the time of the animation. This is a really nice tool and goes a long way to helping developers figure out which animation package to use and for what reasons.

My results showed that the top performers were (in order):

1. Simple AS3 Tween (could not find a link for this one)
2. TweenLite
3. Tweener

Here is the output of my tests for every animation framework that is listed in the demo application.

note: I ran this test on my MacBook Pro, 2,4 GHz Intel Core 2 Duo with 2GB of SDRAM.

Benchmark results: Simple AS3 Tween
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125 Sprites	::	Start Lag: 0 seconds	::	FPS: 54
250 Sprites	::	Start Lag: 0 seconds	::	FPS: 52
500 Sprites	::	Start Lag: 0 seconds	::	FPS: 52
1000 Sprites	::	Start Lag: 0 seconds	::	FPS: 51
2000 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 47
4000 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 42
8000 Sprites	::	Start Lag: 0.02 seconds ::	FPS: 33
16000 Sprites	::	Start Lag: 0.03 seconds ::	FPS: 15

Benchmark results: TweenLite
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125 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 49
250 Sprites	::	Start Lag: 0 seconds	::	FPS: 47
500 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 45
1000 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 41
2000 Sprites	::	Start Lag: 0.04 seconds ::	FPS: 36
4000 Sprites	::	Start Lag: 0.1 seconds	::	FPS: 28
8000 Sprites	::	Start Lag: 0.22 seconds ::	FPS: 17
16000 Sprites	::	Start Lag: 0.22 seconds ::	FPS: 9

Benchmark results: Tweener
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125 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 49
250 Sprites	::	Start Lag: 0.02 seconds ::	FPS: 47
500 Sprites	::	Start Lag: 0.04 seconds ::	FPS: 43
1000 Sprites	::	Start Lag: 0.11 seconds ::	FPS: 37
2000 Sprites	::	Start Lag: 0.41 seconds ::	FPS: 28
4000 Sprites	::	Start Lag: 1.49 seconds ::	FPS: 16
8000 Sprites	::	Start Lag: 5.52 seconds ::	FPS: 0
16000 Sprites	::	Start Lag: Unknown	::	FPS: 0

Benchmark results: fl.transitions.Tween
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125 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 46
250 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 43
500 Sprites	::	Start Lag: 0.03 seconds ::	FPS: 37
1000 Sprites	::	Start Lag: 0.06 seconds ::	FPS: 29
2000 Sprites	::	Start Lag: 0.13 seconds ::	FPS: 20
4000 Sprites	::	Start Lag: 0.4 seconds	::	FPS: 10
8000 Sprites	::	Start Lag: 1.22 seconds ::	FPS: 4
16000 Sprites	::	Start Lag: 4.88 seconds ::	FPS: 0

Benchmark results: AnimationPackage 3 Beta
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125 Sprites	::	Start Lag: 0.02 seconds ::	FPS: 50
250 Sprites	::	Start Lag: 0.02 seconds ::	FPS: 45
500 Sprites	::	Start Lag: 0.04 seconds ::	FPS: 47
1000 Sprites	::	Start Lag: 0.09 seconds ::	FPS: 43
2000 Sprites	::	Start Lag: 0.16 seconds ::	FPS: 32
4000 Sprites	::	Start Lag: 0.33 seconds ::	FPS: 17

Benchmark results: fl.motion.Animator
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125 Sprites	::	Start Lag: 0.06 seconds ::	FPS: 23
250 Sprites	::	Start Lag: 0.03 seconds ::	FPS: 14
500 Sprites	::	Start Lag: 0.05 seconds ::	FPS: 7
1000 Sprites	::	Start Lag: 0.14 seconds ::	FPS: 4
2000 Sprites	::	Start Lag: 0.26 seconds ::	FPS: 2

Benchmark results: (Boostworthy) AS3 Animation System
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125 Sprites	::	Start Lag: 0.01 seconds ::	FPS: 44
250 Sprites	::	Start Lag: 0.02 seconds ::	FPS: 13

Check it out TweenBencher.

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