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Garmin Forerunner 55 vs Garmin Venu 4 (45 mm)

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

Specs for Garmin Forerunner 55 and Garmin Venu 4 (45 mm)
SpecGarmin Forerunner 55Garmin Venu 4 (45 mm)
GPS battery 20 h 20 h
Smartwatch battery 14 days 12 days
Triathlon / multisport mode No Yes
Onboard maps No No
Open-water GPS (our rating) 3 / 5 4 / 5
Weight 37 g 56 g
Screen MIP AMOLED 454x454
Price See retailer ~$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?

Garmin

Pick the Forerunner 55 if…

  • you want the longer smartwatch battery: 14 days vs 12 days
  • you want the lighter one: 37 g vs 56 g
Check price →
Garmin

Pick the Venu 4 (45 mm) if…

  • you want a triathlon (multisport) mode
  • you want better open-water GPS (our rating): 4 / 5 vs 3 / 5
Check price →

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

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