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Amazfit Balance 3 (Stainless Steel) vs Amazfit T-Rex Ultra 2

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

Specs for Amazfit Balance 3 (Stainless Steel) and Amazfit T-Rex Ultra 2
SpecAmazfit Balance 3 (Stainless Steel)Amazfit T-Rex Ultra 2
GPS battery 41 h 50 h
Smartwatch battery 21 days 30 days
Triathlon / multisport mode Yes Yes
Onboard maps Yes Yes
Open-water GPS (our rating) 4 / 5 4 / 5
Weight 62 g 89.2 g
Screen AMOLED 1.5in (480x480) AMOLED 1.5in (480x480)
Price ~$369.99 ~$549.99

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 Balance 3 (Stainless Steel) if…

  • you want the lighter one: 62 g vs 89.2 g
Check price →
Amazfit

Pick the T-Rex Ultra 2 if…

  • you want the longer GPS battery: 50 h vs 41 h
  • you want the longer smartwatch battery: 30 days vs 21 days
Check price →

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

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