| Video File | Stock RealPlayer | CorePlayer v1.2.5 | | :--- | :--- | :--- | | 320x240 H.263 3GP | 30fps | 30fps | | 640x360 XviD AVI (1.5Mbps) | "Format not supported" | 28fps (smooth) | | 848x480 H.264 MKV (2Mbps) | Crash | 24fps (watchable, minor stutter) | | 1280x720 MP4 (High Profile) | Black screen | 12fps (slideshow – CPU limited) |