Is the class rating of my MicroSD Classcard relevant for Smartphones?

Does Class 4 perform differently from Class 6, and so on, when it comes to Micro SD(HC) memory cards on smartphones? Samsung Galaxy S to be specific.

Thank you.

Tweeted twitter.com/#!/StackAndroid/status/72500139268378624

occurred May 23, 2011 at 3:12

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asked May 22, 2011 at 23:52

MicroSD Class relevant for Smartphones

Does Class 4 perform differently from Class 6 when it comes to Micro SD(HC) memory cards on smartphones? Samsung Galaxy S to be specific.

Thank you.

sd-card class relevancy