v1.1: more straight-forward reproduction

Installation and Reproduction

1. You'll need the Microsoft .NET 4.5 Framework installed. Visual Studio 2012 runtime libraries may also be needed.
2. Unzip the files
3. Run WpfRenderPerformance

Screenshots

Lenovo ThinkPad T440s (Core i7 4600U) -- "High" CPU utilization

Desktop PC (Core i5 3470) -- "Acceptable" CPU utilization