| | Silverlight 版本 |
| 功能特性 | 1.0 | 2 | 3 | 4 |
| 跨浏览器支持 for Firefox, IE, Safari | ● | ● | ● | ● |
| 跨平台支持 for Windows and Mac (and Linux through the Moonlight Project) | ● | ● | ● | ● |
| 2D 矢量 动画/图象 | ● | ● | ● | ● |
| AJAX 支持 | ● | ● | ● | ● |
| HTML DOM 集成 | ● | ● | ● | ● |
| HTTP Networking | ● | ● | ● | ● |
| Canvas 布局支持 | ● | ● | ● | ● |
| JavaScript 支持 | ● | ● | ● | ● |
| XAML 解析器 | ● | ● | ● | ● |
| 多媒体 – 720P High Definition (HD) Video | ● | ● | ● | ● |
| 多媒体– Audio/Video 支持(VC-1, WMV, WMA, MP3) | ● | ● | ● | ● |
| 多媒体– 图象格式支持 (JPG, PNG) | ● | ● | ● | ● |
| 多媒体- H.264 video and AAC audio 支持 | | | ● | ● |
| 多媒体标记 | ● | ● | ● | ● |
| Windows 多媒体服务支持 | ● | ● | ● | ● |
| 支持语言 Visual Basic.NET 和 C#;公共语言运行时(CLR) based languages | | ● | ● | ● |
| 支持脚本 IronPython, IronRuby, Managed JScript, 和其他动态语言运行时(DLR) based languages | | ● | ● | ● |
| 丰富的核心框架 (例如 Generics, collections) | | ● | ● | ● |
| 多线程 | | ● | ● | ● |
| 布局容器控件包括 StackPanel 和 Grid | | ● | ● | ● |
| 全套标准控件 (TextBox, RadioButton, Slider, Calendar, DatePicker, DataGrid, ListBox, TabControl, and others) | | ● | ● | ● |
| 管理控制框架 | | ● | ● | ● |
| 模板模型 | | ● | ● | ● |
| 可视化状态管理器 | | ● | ● | ● |
| 独立存储 | | ● | ● | ● |
| 深度缩放技术(Deep Zoom Technology) | | ● | ● | ● |
| 多媒体– DRM Powered by PlayReady | | ● | ● | ● |
| 多媒体- Windows Media Audio 10 Professional support | | ● | ● | ● |
| 多媒体- MediaStreamSource for managed code media file parser and protocol extensibility | | ● | ● | ● |
| 高品质缩放 | | ● | ● | ● |
| 多媒体- Basic SSPL Support | | ● | ● | ● |
| 跨域网络访问 | | ● | ● | ● |
| 通过网络服务方便地访问服务器端数据 | | ● | ● | ● |
| 直接进入 TCP sockets | | ● | ● | ● |
| SOAP 和 REST services互通, 包括对 XML, JSON, RSS 和 Atom data formats 的支持 | | ● | ● | ● |
| LINQ (包括 LINQ to XML, LINQ to JSON, 和 LINQ to Entities) | | ● | ● | ● |
| 双工通信,从服务器到Silverlight客户端“推送” | | ● | ● | ● |
| 数据绑定 | | ● | ● | ● |
| WCF 数据服务 | | ● | ● | ● |
| 托管的HTML桥 | | ● | ● | ● |
| 托管异常处理 | | ● | ● | ● |
| .NET Framework 安全措施 | | ● | ● | ● |
| 类型安全验证 | | ● | ● | ● |
| XML 读/写 | | ● | ● | ● |
| 增强的键盘输入支持 | | ● | ● | ● |
| 文件上传支持 (通过WebClient API) | | ● | ● | ● |
| WPF兼容 | | ● | ● | ● |
| 无障碍 | | ● | ● | ● |
| 本地化 | | ● | ● | ● |
| 远程调试(PC 和 Mac) | | ● | ● | ● |
| 脱离浏览器运行 | | | ● | ● |
| 网络状态 (脱机) | | | ● | ● |
| 像素着色器渲染特效(Pixel Shader Effects) HLSL | | | ● | ● |
| 位图 API | | | ● | ● |
| Theming at runtime | | | ● | ● |
| 增强控件样式 | | | ● | ● |
| 辅助功能 - 系统颜色 | | | ● | ● |
| 位图缓存 | | | ● | ● |
| 3D透视 | | | ● | ● |
| GPU硬件加速(针对视频和位图) | | | ● | ● |
| 文本动画 | | | ● | ● |
| 原始的A/V支持 | | | ● | ● |
| 文件保存对话框 | | | ● | ● |
| 新内置控件DockPanel, WrapPanel, Viewbox | | | ● | ● |
| 元件与元件的绑定 | | | ● | ● |
| 本地连接 | | | ● | ● |
| 二进制 XML | | | ● | ● |
| 组件缓存(跨应用程序共享资源) | | | ● | ● |
| 场景缓存 (对于位图) | | | ● | ● |
| 本地字体 | | | | ● |
| 打印 | | | | ● |
| WCF RIA Services | | | | ● |
| 托管的MEF扩展框架 | | | | ● |
| 摄像头 | | | | ● |
| 麦克风 | | | | ● |
| 正式对Google浏览器Chrome的支持 | | | | ● |
| 输出受保护的音频/视频 | | | | ● |
| 组播网络 | | | | ● |
| 离线的DRM | | | | ● |
| 受信任的应用程序(扩展沙箱) | | | | ● |
| IDispatch COM Interop | | | | ● |
| 组策略对象支持 | | | | ● |
| 信任模式下脱离浏览器运行时的全键盘支持 | | | | ● |
| 信任模式下跨域网络访问 | | | | ● |
| 自定义 window chrome | | | | ● |
| 脱离浏览器运行窗口设置 (位置, 尺寸等等) | | | | ● |
| 网页浏览器控制及网页浏览器笔刷 | | | | ● |
| Notification Toast | | | | ● |
| 文本从右到左 / BiDi 文本 | | | | ● |