Garmin Fenix 8 AMOLED 43mm vs Garmin Instinct 3 Solar 45mm
Weight and specs compared for 2026 — and which one to choose.
Premium multisport GPS smartwatch with AMOLED display, titanium case, multi-GNSS support, and built-in LED flashlight. 43mm size, lightweight at only 60g with t...
Full details →Rugged solar-powered GPS watch. 36-90 days smartwatch battery with solar charging capability.
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Garmin Fenix 8 AMOLED 43mm vs Garmin Instinct 3 Solar 45mm: which should you buy?
If saving weight is your priority, the Garmin Instinct 3 Solar 45mm wins — at 53 g it is 7 g (12%) lighter than the Garmin Fenix 8 AMOLED 43mm (60 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 electronics page, or browse the full gear weight database.