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Garmin Instinct 2 Solar vs Garmin Vivoactive 6

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

Garmin Vivoactive 6 is the lighter option — 17 g lighter than the Garmin Instinct 2 Solar (33% less weight). If grams matter to you, that is the one to beat.
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Spec Garmin Instinct 2 Solar Garmin Vivoactive 6
Weight 52 g · 0.052 kg · 0.11 lb 35 g · 0.035 kg · 0.08 lb
Brand Garmin Garmin
Category Navigation Navigation
Garmin Instinct 2 Solar
52 g

Rugged GPS watch with solar charging. Military spec.

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Garmin Vivoactive 6
35 g

Lightweight smartwatch at 1.2oz. Thinnest in Garmin lineup with GPS hiking features.

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Garmin Instinct 2 Solar vs Garmin Vivoactive 6: which should you buy?

If saving weight is your priority, the Garmin Vivoactive 6 wins — at 35 g it is 17 g (33%) lighter than the Garmin Instinct 2 Solar (52 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.

More navigation comparisons