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Amazfit T-Rex Ultra 2 vs Coros Pace 3

The specs that matter for triathlon, side by side, from each maker’s own published figures.

Specs for Amazfit T-Rex Ultra 2 and Coros Pace 3
SpecAmazfit T-Rex Ultra 2Coros Pace 3
GPS battery 50 h 38 h
Smartwatch battery 30 days 15 days
Triathlon / multisport mode Yes Yes
Onboard maps Yes No
Open-water GPS (our rating) 4 / 5 5 / 5
Weight 89.2 g 30 g
Screen AMOLED 1.5in (480x480) Memory LCD (MIP-type)
Price ~$549.99 See retailer

Open-water GPS is our 1–5 rating from the satellite systems each maker lists: multi-band receivers score 5. Everything else is the maker’s own figure.

Which should you pick?

Amazfit

Pick the T-Rex Ultra 2 if…

  • you want the longer GPS battery: 50 h vs 38 h
  • you want the longer smartwatch battery: 30 days vs 15 days
  • you want onboard maps
Check price →
Coros

Pick the Pace 3 if…

  • you want better open-water GPS (our rating): 5 / 5 vs 4 / 5
  • you want the lighter one: 30 g vs 89.2 g
Check price →

Specs from the makers’ own pages: Amazfit, Coros.

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