Some links on this page are affiliate links: we may earn a commission, at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. How this works

Amazfit Balance 2 vs Amazfit T-Rex 3 Pro (48 mm)

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

Specs for Amazfit Balance 2 and Amazfit T-Rex 3 Pro (48 mm)
SpecAmazfit Balance 2Amazfit T-Rex 3 Pro (48 mm)
GPS battery 33 h 38 h
Smartwatch battery 21 days 25 days
Triathlon / multisport mode Yes Yes
Onboard maps Yes Yes
Open-water GPS (our rating) 5 / 5 4 / 5
Weight 43 g 52 g
Screen AMOLED AMOLED 1.5in (480x480)
Price See retailer ~$399.99

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 2 if…

  • you want better open-water GPS (our rating): 5 / 5 vs 4 / 5
  • you want the lighter one: 43 g vs 52 g
Check price →
Amazfit

Pick the T-Rex 3 Pro (48 mm) if…

  • you want the longer GPS battery: 38 h vs 33 h
  • you want the longer smartwatch battery: 25 days vs 21 days
Check price →

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

Not sure either is right?

Free tool

Triathlon Watch Comparison

Battery life, open-water GPS and maps across the watches triathletes buy.

Try the tool →
Free tool

Triathlon watches, compared

Every product in this category in one spec table, plus 820 head-to-heads.

See them all →