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COROS Pace 4 vs Garmin GPSMAP 66i

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

COROS Pace 4 is the lighter option — 198 g lighter than the Garmin GPSMAP 66i (86% less weight). If grams matter to you, that is the one to beat.
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Spec COROS Pace 4 Garmin GPSMAP 66i
Weight 32 g · 0.032 kg · 0.07 lb 230 g · 0.230 kg · 0.51 lb
Brand COROS Garmin
Category Navigation Navigation
COROS Pace 4
32 g

Ultralight AMOLED dual-band GPS sport watch with offline maps; 11.8mm thin, weighed with nylon band.

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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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COROS Pace 4 vs Garmin GPSMAP 66i: which should you buy?

If saving weight is your priority, the COROS Pace 4 wins — at 32 g it is 198 g (86%) 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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