Does anyone else get a little animation lag when switching between open apps?

anytime have different apps open in full screen , switch between them, animation lags little. doesn't happen time. 70% of time, animation pretty smooth. , happens when have macbook pro connected external display. else experiences this??

 

animation me (on external copy of lion) pretty smooth. wish turn animations off. eyes go batty cmb+tab multiple times between apps.

 

Forums Macs macOS Older OS X Versions Mac OS X Lion (10.7)

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