Apple Watch Ultra (1st Gen) vs Garmin Fenix 8 AMOLED 47mm
The Verdict
Apple Watch Ultra excels for iOS users seeking seamless integration and premium build quality, offering the S8 chip, cellular connectivity, and watchOS ecosystem at $799. Garmin Fenix 8 AMOLED targets serious athletes and outdoor enthusiasts with industry-leading battery life spanning 16 days in smartwatch mode versus Apple's 36 hours, superior sports tracking capabilities, and offline navigation features. Both feature titanium construction, comprehensive health sensors, LTPO OLED/AMOLED displays, and 40m dive ratings. Fenix 8's lack of cellular connectivity and $300 premium pricing limit mainstream appeal. For general users prioritizing notifications and Apple ecosystem syncing, Apple Watch Ultra delivers better value and convenience. For adventurers and fitness-focused individuals needing extended battery life and advanced outdoor metrics, Garmin Fenix 8 justifies its higher investment. Choose Apple Watch Ultra for everyday smartwatch excellence; choose Fenix 8 for expedition-grade durability.
Who Should Buy
Buy the Apple Watch Ultra (1st Gen) if…
- →Titanium case is exceptionally durable for extreme sports and diving
- →36-hour battery life (60 hrs in Low Power Mode) is longest for Apple Watch
- →2000-nit peak brightness is readable in any outdoor condition
Buy the Garmin Fenix 8 AMOLED 47mm if…
- →Built-in speaker, microphone, and LED flashlight
- →Leak-proof buttons enable diving to 40m depth
- →Multi-band GNSS with full topographic maps
Category Scores
Pros & Cons
Apple Watch Ultra (1st Gen)
Pros
- Titanium case is exceptionally durable for extreme sports and diving
- 36-hour battery life (60 hrs in Low Power Mode) is longest for Apple Watch
- 2000-nit peak brightness is readable in any outdoor condition
- Dual-frequency L1+L5 GPS provides precise tracking even in canyons
- Action Button is customizable for workouts, compass, and more
Cons
- 49mm case is very large — may be too bulky for smaller wrists
- Heavy at 61.3 g compared to standard Apple Watch models
- $799 is expensive for a first-generation product
- S8 chip is the same as Series 8 — no processing advantage
- Only one 49mm size option with no smaller variant
Garmin Fenix 8 AMOLED 47mm
Pros
- Built-in speaker, microphone, and LED flashlight
- Leak-proof buttons enable diving to 40m depth
- Multi-band GNSS with full topographic maps
- Massive 16-day battery life in smartwatch mode
- Comprehensive sport profiles including new dive features
Cons
- Extremely expensive at over $1000
- Heavy and large for smaller wrists
- No cellular connectivity
- Steep learning curve for new Garmin users
- Limited third-party app support
Full Specifications
| Spec | Apple Watch Ultra (1st Gen) | Garmin Fenix 8 AMOLED 47mm |
|---|---|---|
| Software | watchOS 9 (upgradable to watchOS 11+) | Garmin OS |
| Body | ||
| Weight | 61.3 g | 73 g |
| Case material | Titanium | Titanium bezel, fiber-reinforced polymer case with metal rear |
| Water resistance | WR100, EN13319 (certified for recreational scuba diving to 40m) | 10 ATM, dive-rated to 40m |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 36 hours (60 hrs in Low Power Mode) | Up to 16 days smartwatch mode, 42 hours GPS |
| Display | ||
| Size | 49mm | 1.3 inch |
| Type | LTPO OLED Always-On Retina | AMOLED touchscreen |
| Always-on display | ||
| Resolution | 410 x 502 | 416 x 416 |
| Processor | ||
| Chipset | Apple S8 SiP | — |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.3 | 5.0 |
Related Comparisons
- Apple Watch Ultra (1st Gen) vs Samsung Galaxy Watch Ultra
- Apple Watch Ultra (1st Gen) vs Garmin Forerunner 965
- Apple Watch Ultra (1st Gen) vs Garmin Fenix 7
- Apple Watch Ultra (1st Gen) vs Garmin Epix Pro Gen 2
- Apple Watch Ultra (1st Gen) vs Garmin Epix Gen 2
- Apple Watch Ultra (1st Gen) vs Apple Watch Ultra 2
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in smartwatches, see all Apple products or all Garmin products. View full details for the Apple Watch Ultra (1st Gen) or the Garmin Fenix 8 AMOLED 47mm.