The Garmin uses a different altitude value based on both barometric pressure and GPS while the Joule uses just barometric pressure. Additionally, the Garmin and Joule use different averaging routines to calculate feet gained and lost.
Articles in this section
- My Joule GPS reads my PowerTap or PowerCal, but falls asleep after a couple minutes?
- When riding, why does my cadence show all dashes or zeros?
- Why isn't my PowerTap computer showing watts?
- Why won't my Joule recognize my G3 hub?
- Why don't I see my current ride in the history files?
- Temperature seems off on short rides.
- Why do I have no display on my computer?
- Why is the "feet gained" different than a Garmin?
- Why is the data different between Garmin and PowerTap CPU?