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Coros APEX 4 (42mm) vs Garmin Fenix 8 AMOLED 43mm

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

Coros APEX 4 (42mm) is the lighter option — 4 g lighter than the Garmin Fenix 8 AMOLED 43mm (7% less weight). If grams matter to you, that is the one to beat.
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Spec Coros APEX 4 (42mm) Garmin Fenix 8 AMOLED 43mm
Weight 56 g · 0.056 kg · 0.12 lb 60 g · 0.060 kg · 0.13 lb
Brand Coros Garmin
Category Electronics Electronics
Coros APEX 4 (42mm)
56 g

Mountain sports GPS watch with dual-frequency satellite positioning for improved accuracy, ECG heart rhythm monitoring, and barometric altimeter for navigation

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Garmin Fenix 8 AMOLED 43mm
60 g

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...

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Coros APEX 4 (42mm) vs Garmin Fenix 8 AMOLED 43mm: which should you buy?

If saving weight is your priority, the Coros APEX 4 (42mm) wins — at 56 g it is 4 g (7%) 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.

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