This document contains some data captured on the tests performed using a bitmap of 1000px x 1000px at 96dpi. The test updates a region of the the bitmap of 1000 x 500px every 33ms.
The following pages contains the charts of the several tested parameters for each method.
Writeable Bitmap 3.5
(CPU intensive, lower FPS)
Writeable Bitmap 4.0
(CPU intensive, lower FPS, no improvements regarding .Net 3.5)
Interop Bitmap 3.5
(Better FPS, lower CPU usage, lower GPU usage, higher GPU memory)
Interop Bitmap 4.0
(Video memory leaks)