Amazfit T-Rex 3 vs Suunto Race 2

Amazfit T-Rex 3 (42 h GPS, 68 g) vs Suunto Race 2 (55 h GPS, 65 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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Suunto Race 2SuuntoSuunto Race 2

Racing watch with a 1.5" 2,000-nit AMOLED display, dual-band GPS and free offline maps. Up to 55 h in the most accurate mode and 18 days in smartwatch mode. Rotating crown, 115+ sport modes and 32 GB of storage for maps. A lot of watch for the money versus Garmin.

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Spec-by-spec comparison

SpecAmazfit T-Rex 3Suunto Race 2
GPS battery42 h55 h
Multi-band batteryYesYes
Smartwatch27 days18 days
Weight68 g65 g
Maps
Multi-band
Music
DisplayAMOLEDAMOLED
PriceEntryMid-range

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, Suunto Race 2 lasts longer in GPS mode. If you want the lightest watch on your wrist, go for Suunto Race 2. On budget, Amazfit T-Rex 3 is the more affordable option.

View on Amazon: Amazfit T-Rex 3View on Amazon: Suunto Race 2

Frequently asked questions

Which lasts longer, Amazfit T-Rex 3 or Suunto Race 2?
Amazfit T-Rex 3 offers 42 h of GPS battery and Suunto Race 2 offers 55 h, so Suunto Race 2 lasts longer for long efforts.
Which one is lighter?
Amazfit T-Rex 3 weighs 68 g and Suunto Race 2 weighs 65 g; Suunto Race 2 is the lighter of the two.
Do both have onboard maps?
Yes, both Amazfit T-Rex 3 and Suunto Race 2 include onboard topo maps.
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