Silverlight & Flash (ZT*)

Silverlight	Flash
Silverlight uses timeline (vector) based animation.	Timeline animation in Flash is frame based. It uses transformation matrix.
Silverlight uses XAML.	Flash uses a 3rd party library to store shapes
Silverlight uses an industry standard codec	Flash supports multiple video formats/codec’s,  however the output is proprietary
To create Silverlight content, you can use your existing tools like Visual Studio. Another dedicated tool is Expression Blend	Flash content can be created by using Adobe Flash.
Silverlight has been developed from ground-up using the languages you are already familiar with as a .NET developer. Silverlight content can be created using XAML and a .NET language. This way, you can utilize your existing skills.	As a programming model, ActionScript has a huge learning curve and is not a common programming skill found in developers.
So does Silverlight	Flash provides with 2D animation graphics.
The cost is much lesser than Flash	The cost of Media server licensing in Flash is more.
Scalable full screen video available up to HD (720p)	Full screen video capabilities (720p) not available
Silverlight content is textual in nature	Flash content binary in nature

* this denotes a copy from the internet