Garmin Instinct 3 Solar 45mm vs GoPro HERO Compact Action Camera
Weight and specs compared for 2026 — and which one to choose.
Rugged solar-powered GPS watch. 36-90 days smartwatch battery with solar charging capability.
Full details →Ultra-compact 4K camera, 3.04oz, 35% smaller and 46% lighter than HERO13 Black
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Garmin Instinct 3 Solar 45mm vs GoPro HERO Compact Action Camera: which should you buy?
If saving weight is your priority, the Garmin Instinct 3 Solar 45mm wins — at 53 g it is 33 g (38%) lighter than the GoPro HERO Compact Action Camera (86 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.