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Garmin Instinct 3 Solar (45 mm) vs Suunto Race S
The specs that matter for triathlon, side by side, from each maker’s own published figures.
| Spec | Garmin Instinct 3 Solar (45 mm) | Suunto Race S |
|---|---|---|
| GPS battery | 40 h | 30 h |
| Smartwatch battery | 28 days | 9 days |
| Triathlon / multisport mode | Yes | Yes |
| Onboard maps | No | Yes |
| Open-water GPS (our rating) | 4 / 5 | 5 / 5 |
| Weight | 52 g | 60 g |
| Screen | MIP 0.9in two-window (176x176) | AMOLED |
| Price | ~$349.99 | 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?
Garmin
Pick the Instinct 3 Solar (45 mm) if…
- you want the longer GPS battery: 40 h vs 30 h
- you want the longer smartwatch battery: 28 days vs 9 days
- you want the lighter one: 52 g vs 60 g
Suunto
Pick the Race S if…
- you want onboard maps
- you want better open-water GPS (our rating): 5 / 5 vs 4 / 5
Specs from the makers’ own pages: Garmin, Suunto.
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Triathlon Watch Comparison
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