Garmin Fenix 7 vs Samsung Galaxy Watch 3
The Verdict
Garmin's Fenix 7 and Samsung's Galaxy Watch 3 serve different priorities for smartwatch buyers. The Fenix 7 excels in battery longevity, delivering up to 18 days in smartwatch mode and 57 hours of continuous GPS tracking, making it ideal for outdoor enthusiasts and athletes who prioritize multi-day adventures. Its MIP display consumes minimal power while remaining visible in sunlight. Samsung's Galaxy Watch 3 counters with a vibrant 360x360 Super AMOLED display that's noticeably more colorful, plus it includes ECG functionality that Garmin omits. The Galaxy Watch 3 also offers cellular connectivity for calls and texts without your phone, whereas the Fenix 7 lacks this feature. However, Samsung's typical 1.5-2 day battery life means frequent charging, a significant trade-off for daily smartwatch users. The Fenix 7 weighs more at 79g but provides superior durability for rugged activities. At $699 versus $399, Samsung represents better value for casual users wanting a premium Android experience, while Garmin justifies its higher price for serious fitness trackers and outdoor adventurers prioritizing battery endurance and sports-specific features. Choose Samsung for lifestyle balance and display quality; choose Garmin for athletic performance and expedition capability.
Who Should Buy
Buy the Garmin Fenix 7 if…
- →Multi-week battery life is in a completely different class from Apple/Samsung
- →Multi-band GPS is the most accurate satellite positioning on any watch
- →Built-in maps with TopoActive and Ski Maps for outdoor adventures
Buy the Samsung Galaxy Watch 3 if…
- →Physical rotating bezel provides tactile, satisfying navigation
- →Premium stainless steel build with classic watch aesthetics
- →ECG and SpO2 monitoring were cutting-edge at launch
Category Scores
Pros & Cons
Garmin Fenix 7
Pros
- Multi-week battery life is in a completely different class from Apple/Samsung
- Multi-band GPS is the most accurate satellite positioning on any watch
- Built-in maps with TopoActive and Ski Maps for outdoor adventures
- Touchscreen added alongside traditional button navigation
- Garmin Connect ecosystem is the gold standard for athletic training
Cons
- MIP display looks dated compared to AMOLED smartwatches
- No cellular or call capability — strictly a fitness/outdoor watch
- Heavy at 79 g — noticeable during sleep and daily wear
- $699 starting price, with Solar and Sapphire models costing more
Samsung Galaxy Watch 3
Pros
- Physical rotating bezel provides tactile, satisfying navigation
- Premium stainless steel build with classic watch aesthetics
- ECG and SpO2 monitoring were cutting-edge at launch
- Fall detection with automatic SOS alerts
- Thinner and lighter than Galaxy Watch (2018)
Cons
- Tizen OS is now discontinued — no new app development
- Battery life of 1.5 days typical requires frequent charging
- Older Exynos 9110 is noticeably slower than W920
- Heavy at 48-54 g — uncomfortable for sleep tracking
Full Specifications
| Spec | Garmin Fenix 7 | Samsung Galaxy Watch 3 |
|---|---|---|
| Software | Garmin OS (Connect IQ) | Tizen OS 5.5 |
| Body | ||
| Weight | 79 g | 48.2 g (41mm) / 53.8 g (45mm) |
| Case material | Fiber-reinforced polymer with stainless steel bezel | Stainless Steel / Titanium |
| Water resistance | 10ATM | 5ATM + IP68, MIL-STD-810G |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 18 days (smartwatch), 57 hrs GPS, 40 days expedition GPS | Up to 2 days (typical ~1.5 days) |
| Display | ||
| Size | 47mm (1.3 inches) | 41mm / 45mm |
| Type | MIP (memory-in-pixel) transflective | Super AMOLED |
| Always-on display | ||
| Resolution | 260 x 260 | 360 x 360 |
| Processor | ||
| Chipset | Garmin custom processor | Exynos 9110 |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.0 |
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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 Garmin products or all Samsung products. View full details for the Garmin Fenix 7 or the Samsung Galaxy Watch 3.