Coros Apex 4 vs Suunto A-10 Compass

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

Suunto A-10 Compass is the lighter option — 36 g lighter than the Coros Apex 4 (56% less weight). If grams matter to you, that is the one to beat.

Spec	Coros Apex 4	Suunto A-10 Compass
Weight	64 g · 0.064 kg · 0.14 lb	28 g · 0.028 kg · 0.06 lb
Brand	Coros	Suunto
Category	Navigation	Navigation

Coros Apex 4

64 g

Mountain-sports GPS watch (46mm) with dual-band GNSS, titanium bezel and sapphire glass, weight with silicone band.

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Suunto A-10 Compass

28 g

Classic baseplate compass for map navigation.

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Coros Apex 4 vs Suunto A-10 Compass: which should you buy?

If saving weight is your priority, the Suunto A-10 Compass wins — at 28 g it is 36 g (56%) lighter than the Coros Apex 4 (64 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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