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Garmin GPSMAP 66i vs Suunto Run

Weight and specs compared for 2026 — and which one to choose.

Suunto Run is the lighter option — 194 g lighter than the Garmin GPSMAP 66i (84% less weight). If grams matter to you, that is the one to beat.
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Spec Garmin GPSMAP 66i Suunto Run
Weight 230 g · 0.230 kg · 0.51 lb 36 g · 0.036 kg · 0.08 lb
Brand Garmin Suunto
Category Navigation Navigation
Garmin GPSMAP 66i
230 g

Robust handheld GPS with inReach satellite communicator for two-way messaging. Preloaded topographic maps with 100-hour battery life.

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Suunto Run
36 g

Lightweight GPS sports watch with 1.32in AMOLED touchscreen, dual-band GPS, wrist heart-rate and 4GB offline music. 36g with textile strap.

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Garmin GPSMAP 66i vs Suunto Run: which should you buy?

If saving weight is your priority, the Suunto Run wins — at 36 g it is 194 g (84%) 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.

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