Garmin Enduro 3 vs Garmin GPSMAP 66i
Weight and specs compared for 2026 — and which one to choose.
GPS multisport watch with solar charging and up to 36-day battery life. Topographic maps, altimeter, barometer, and compass for backcountry navigation.
Check price Full details →Robust handheld GPS with inReach satellite communicator for two-way messaging. Preloaded topographic maps with 100-hour battery life.
Check price Full details →Garmin Enduro 3 vs Garmin GPSMAP 66i: which should you buy?
If saving weight is your priority, the Garmin Enduro 3 wins — at 63 g it is 167 g (73%) lighter than the Garmin GPSMAP 66i (230 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest navigation page, or browse the full gear weight database.