Speedy performs three resource taking routines (calculation, memory access, and graphical display) to measure the real CPU speed of your device. Your device's performance is ranked on several charts against baseline measurements of other common PalmOS compatible devices. Speedy reports both a CPU frequency and a relative index (100% is for the Palm Vx at 20 MHz). Version 3.4 added benchmark values for Sony Clié TH55, Sony Clié TJ37, and Palm Zi..