Early in release cycle
Best for: Serious athletes, trail runners, triathletes, and outdoor adventurers who need the most durable, most accurate GPS watch Apple makes. Also for iPhone users who simply want the best Apple Watch regardless of sport, and value the extra battery life over the Series 11.
Full details →Late in cycle — a new model is likely coming
Best for: Expedition athletes, adventure racers, triathletes, mountaineers, and divers who need the most capable and durable GPS watch Garmin makes. Also for anyone who wants Garmin's best — full stop.
Full details →| Apple Watch Ultra | Garmin Fenix | |
|---|---|---|
| Tier | Sports GPS | Sports GPS |
| Platform | iOS only | iOS & Android |
| Battery | 1.75 days | 18 days |
| Always-on display | ✅ | ✅ |
| GPS | ✅ | ✅ |
| Cellular | ✅ | ❌ |
| Health sensors | ecg, spo2, skin temp, hrv, blood pressure | hr, spo2, hrv, stress, respiration, skin temp |
| Released | Sep 19, 2025 | Aug 14, 2024 |
| Cycle length | 727 days | 938 days |
| Cycle advice | good | bad |
| Deals advice | neutral | good |
| Next model | Apple Watch Ultra 4 (Expected fall 2026) | Garmin Fenix 9 (Late 2026) |
The Ultra 3 nearly doubles the Series 11 battery life, and satellite emergency SOS works even without cellular or WiFi coverage.
More precise GPS tracking in urban canyons and dense forests — critical for trail running, mountaineering, and triathlon.
The 49mm titanium case and 3000-nit display make this watch usable in full direct sunlight and water depths up to 100m (EN13319 certified for diving).
First Fenix to include a speaker — enabling phone calls, Bluetooth audio, and voice prompts directly from the watch.
AMOLED for the best display at 18 days. Solar MIP for up to 48+ days in expedition conditions where charging is impossible.
EN13319 dive mode (up to 40m), MIL-STD-810 shock resistance, and TopoActive maps covering 100+ countries — the most capable outdoor watch in Garmin's lineup.