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Garmin fenix 9 Pro (51 mm) vs Garmin Forerunner 265
The specs that matter for triathlon, side by side, from each maker’s own published figures.
| Spec | Garmin fenix 9 Pro (51 mm) | Garmin Forerunner 265 |
|---|---|---|
| GPS battery | 56 h | 20 h |
| Smartwatch battery | 31 days | 13 days |
| Triathlon / multisport mode | Yes | Yes |
| Onboard maps | Yes | No |
| Open-water GPS (our rating) | 5 / 5 | 5 / 5 |
| Weight | 99 g | 47 g |
| Screen | AMOLED 1.5in (466x466) | AMOLED |
| Price | ~$1,199.99 | 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 fenix 9 Pro (51 mm) if…
- you want the longer GPS battery: 56 h vs 20 h
- you want the longer smartwatch battery: 31 days vs 13 days
- you want onboard maps
Specs from the makers’ own pages: Garmin, Garmin.
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Triathlon Watch Comparison
Battery life, open-water GPS and maps across the watches triathletes buy.
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Every product in this category in one spec table, plus 820 head-to-heads.
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