Fitbit Versa 4 vs Garmin Fenix 8 AMOLED 47mm
The Verdict
Fitbit Versa 4 and Garmin Fenix 8 AMOLED serve vastly different user needs at dramatically different price points. Versa 4's AMOLED display (336x336) and 6-day battery suit casual fitness trackers, while Fenix 8's superior 416x416 resolution, titanium construction, and exceptional 16-day battery life cater to serious athletes and outdoor enthusiasts. Both include comprehensive health sensors (ECG, SpO2, skin temperature), but Fenix 8's dive rating (40m) and robust Garmin OS ecosystem outclass Versa 4's transitioning platform. Versa 4 excels as an affordable daily wear option with NFC payments and clean design. However, Fenix 8's durability, battery longevity, advanced sports modes, and rugged capability justify the $920 premium for dedicated fitness users. Choose Versa 4 for casual wellness tracking; select Fenix 8 for serious training and adventure.
Who Should Buy
Buy the Fitbit Versa 4 if…
- →Best sleep tracking of any smartwatch — Daily Readiness Score
- →ECG, SpO2, and skin temperature at $179 is strong value
- →6-day battery life — charge once a week
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
Fitbit Versa 4
Pros
- Best sleep tracking of any smartwatch — Daily Readiness Score
- ECG, SpO2, and skin temperature at $179 is strong value
- 6-day battery life — charge once a week
- NFC for Google Wallet contactless payments
- Google integration with Maps, Wallet, and YouTube Music
Cons
- Fitbit OS is being sunset — unclear future app support
- GPS accuracy is less reliable than Garmin or Apple Watch
- Limited third-party app ecosystem
- Physical button replaced with a haptic side button — divisive
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 | Fitbit Versa 4 | Garmin Fenix 8 AMOLED 47mm |
|---|---|---|
| Software | Fitbit OS (transitioning to Wear OS) | Garmin OS |
| Body | ||
| Weight | 37.6 g | 73 g |
| Case material | Aluminum | Titanium bezel, fiber-reinforced polymer case with metal rear |
| Water resistance | WR50 | 10 ATM, dive-rated to 40m |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 6 days (typical usage) | Up to 16 days smartwatch mode, 42 hours GPS |
| Display | ||
| Size | 40 mm (1.58 inches) | 1.3 inch |
| Type | AMOLED | AMOLED touchscreen |
| Always-on display | ||
| Resolution | 336 x 336 | 416 x 416 |
| Processor | ||
| Chipset | Fitbit proprietary | — |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.0 |
Related Comparisons
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 Fitbit products or all Garmin products. View full details for the Fitbit Versa 4 or the Garmin Fenix 8 AMOLED 47mm.