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Garmin GPSMAP 66i vs Silva Ranger S
Weight and specs compared for 2026 — and which one to choose.
Silva Ranger S is the lighter option — 195 g lighter than the Garmin GPSMAP 66i (85% less weight). If grams matter to you, that is the one to beat.
Garmin GPSMAP 66i
230 g
Robust handheld GPS with inReach satellite communicator for two-way messaging. Preloaded topographic maps with 100-hour battery life.
Check price Full details →Garmin GPSMAP 66i vs Silva Ranger S: which should you buy?
If saving weight is your priority, the Silva Ranger S wins — at 35 g it is 195 g (85%) 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.