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Garmin inReach Messenger vs Garmin Montana 700i
Weight and specs compared for 2026 — and which one to choose.
Garmin inReach Messenger is the lighter option — 275 g lighter than the Garmin Montana 700i (71% less weight). If grams matter to you, that is the one to beat.
Garmin Montana 700i
390 g
Ruggedised GPS with large touchscreen and inReach satellite.
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Garmin inReach Messenger vs Garmin Montana 700i: which should you buy?
If saving weight is your priority, the Garmin inReach Messenger wins — at 115 g it is 275 g (71%) lighter than the Garmin Montana 700i (390 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.