Garmin 920XT vs 620 vs 220

Garmin 920XT is a huge improvement over the Garmin 620

A few key features:

  • Daily activity tracking
  • Sleep tracking (with built in accelerometer)
  • Smart watch features (see emails, text and other notifications)
  • Indoor run tracking through accelerometer
  • VO2 max estimates
  • Race predictor based on last runs HR and pace
  • Large easy to read screen
  • Vertical Oscillation tracking (with HR monitor)
  • Ground contact time tracking (with HRM)