Coros APEX 4 (42mm) vs Garmin Epix Gen 2 Sapphire Smartwatch
Weight and specs compared for 2026 — and which one to choose.
Mountain sports GPS watch with dual-frequency satellite positioning for improved accuracy, ECG heart rhythm monitoring, and barometric altimeter for navigation
Full details →AMOLED multisport GPS watch with 16-day battery, sapphire edition. 1.3" always-on display, 65-hour GPS tracking, built-in maps.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Coros APEX 4 (42mm) vs Garmin Epix Gen 2 Sapphire Smartwatch: which should you buy?
If saving weight is your priority, the Coros APEX 4 (42mm) wins — at 56 g it is 14 g (20%) lighter than the Garmin Epix Gen 2 Sapphire Smartwatch (70 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.