Amazfit T-Rex 3 vs Coros Apex 2 Pro

Amazfit T-Rex 3 (42 h GPS, 68 g) vs Coros Apex 2 Pro (66 h GPS, 53 g). Side-by-side spec comparison: battery, weight, maps, multi-band GPS and price. Which GPS watch should you buy?

Amazfit T-Rex 3AmazfitAmazfit T-Rex 3

Ultra-rugged outdoor watch with dual-band GPS, offline maps and a 2,000-nit AMOLED display, at a mid-range price. 42 h in maximum-accuracy mode and up to 27 days in daily use. Military standard, 100 m water resistance and onboard music. Garmin Instinct-style toughness for far less.

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Coros Apex 2 ProCorosCoros Apex 2 Pro

Mountain watch with outstanding battery life: 66 h in full GPS, 26 h in dual-frequency and up to 21 days in daily use, at just 53 g. Free offline maps, multi-band GPS, MP3 music and touchscreen. The light, long-lasting alternative to Garmin for ultras and crossings.

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Spec-by-spec comparison

SpecAmazfit T-Rex 3Coros Apex 2 Pro
GPS battery42 h66 h
Multi-band batteryYes26 h
Smartwatch27 days21 days
Weight68 g53 g
Maps
Multi-band
Music
DisplayAMOLEDMIP
PriceEntryHigh-end

GPS battery = each manufacturer's standard GPS mode; multi-band = dual-frequency (maximum accuracy). On Suunto, Polar Grit and Amazfit T-Rex the GPS figure already corresponds to dual-band mode. Figures verified against the manufacturer.

Verdict

For maximum autonomy on long ultras, Coros Apex 2 Pro lasts longer in GPS mode. If you want the lightest watch on your wrist, go for Coros Apex 2 Pro. On budget, Amazfit T-Rex 3 is the more affordable option.

View on Amazon: Amazfit T-Rex 3View on Amazon: Coros Apex 2 Pro

Frequently asked questions

Which lasts longer, Amazfit T-Rex 3 or Coros Apex 2 Pro?
Amazfit T-Rex 3 offers 42 h of GPS battery and Coros Apex 2 Pro offers 66 h, so Coros Apex 2 Pro lasts longer for long efforts.
Which one is lighter?
Amazfit T-Rex 3 weighs 68 g and Coros Apex 2 Pro weighs 53 g; Coros Apex 2 Pro is the lighter of the two.
Do both have onboard maps?
Yes, both Amazfit T-Rex 3 and Coros Apex 2 Pro include onboard topo maps.
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