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 3 (Stainless Steel) vs COROS APEX 4 (46 mm)

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

Specs for Amazfit Balance 3 (Stainless Steel) and COROS APEX 4 (46 mm)
SpecAmazfit Balance 3 (Stainless Steel)COROS APEX 4 (46 mm)
GPS battery 41 h 53 h
Smartwatch battery 21 days 24 days
Triathlon / multisport mode Yes Yes
Onboard maps Yes Yes
Open-water GPS (our rating) 4 / 5 5 / 5
Weight 62 g 64 g
Screen AMOLED 1.5in (480x480) MIP
Price ~$369.99 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 Balance 3 (Stainless Steel) if…

  • you want the lighter one: 62 g vs 64 g
Check price →
COROS

Pick the APEX 4 (46 mm) if…

  • you want the longer GPS battery: 53 h vs 41 h
  • you want the longer smartwatch battery: 24 days vs 21 days
  • you want better open-water GPS (our rating): 5 / 5 vs 4 / 5
Check price →

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

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 →