Which is more accurate in recording elevation gain, the Garmin 645 Music or the Garmin Edge Touring Plus? On a recent ride, for example, the 645 Music showed an elevation gain of 238 meters, while the Edge Touring Plus showed 224 meters, a difference of 14 meters. Which device is more accurate?
On another day: Garmin 645 Music Elevation Gained 257 m.; Garmin Edge Touring] Elevation Gained 248 m.
All readings have Elevation Readings enabled in Garmin Connect.