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
Apple Watch Ultra 4 vs Garmin Forerunner 265
The specs that matter for triathlon, side by side, from each maker’s own published figures.
| Spec | Apple Watch Ultra 4 | Garmin Forerunner 265 |
|---|---|---|
| GPS battery | 18 h | 20 h |
| Smartwatch battery | 2.1 days | 13 days |
| Triathlon / multisport mode | Yes | Yes |
| Onboard maps | Yes | No |
| Open-water GPS (our rating) | 5 / 5 | 5 / 5 |
| Weight | 63 g | 47 g |
| Screen | Always-On Retina LTPO3 wide-angle OLED | AMOLED |
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 265 if…
- you want the longer GPS battery: 20 h vs 18 h
- you want the longer smartwatch battery: 13 days vs 2.1 days
- you want the lighter one: 47 g vs 63 g
Specs from the makers’ own pages: Apple, Garmin.
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
Head-to-head comparisons
300 comparisons in this category, plus every other category.
All comparisons →