newRPL runs at distinctly different speeds than the stock ROM from HP. The following table summarizes these differences.

Event HP ROM newRPL ROM
idle (waiting for key press) 12 MHz CPU stopped
program executing (< 500 ms) 75 MHz 6 MHz
program executing (> 500 ms) 75 MHz 192 MHz

During the high-speed (192 MHz) mode of newRPL, hour-glass icon appears in the upper right of the display.