Garmin · Smartwatch
Garmin Fenix 8
Multi-week battery, every sport mode, no subscription — superseded by the Fenix 9 at the same $999.
$999.99Garmin →
Key specs
- Battery life
- 16 days
- Battery saver
- 23 days
- GPS tracking
- 47 hr
- Charging
- 2 hr
- Weight
- 52g
- Case size
- 47mm
- Display
- AMOLED, always-on
- Water resistance
- 10 ATM (100m)
- Phone
- Not required
- Sensors
- Optical heart rate, ECG, SpO₂, Skin temperature, Accelerometer, Gyroscope, Barometer, Compass, GPS, Altimeter, Ambient light, Microphone
The Fenix 8 was Garmin’s one-watch-for-everything until the Fenix 9 superseded it in August 2026. 16 days typical use, 47 hours of GPS on the 47mm case, dive computer, mapping, every sport mode you have heard of and several you haven’t. No subscription for Training Readiness, recovery time, or sleep coaching.
Strengths
- 16-day battery without compromise
- No subscription — all training metrics included
- Genuine dive computer + topo maps
Tradeoffs
- Heavy and chunky on smaller wrists
- Smartphone notifications are functional, not delightful
- App ecosystem far thinner than watchOS
Full specs
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Common questions
- How much does the Garmin Fenix 8 cost?
- The Garmin Fenix 8 starts at $999.99, with larger sizes and premium finishes costing more.
- Does the Garmin Fenix 8 require a subscription?
- No. The Garmin Fenix 8 has no subscription — you pay for the hardware once and the Garmin app is included.
- How long does the Garmin Fenix 8 battery last?
- About 16 days of typical use per charge. Heavy GPS use, an always-on display, and continuous sensing all pull that number down.
- How much does the Garmin Fenix 8 weigh?
- The 47 mm Garmin Fenix 8 weighs 52 g.
- How big is the Garmin Fenix 8?
- The Garmin Fenix 8 has a 47 mm case in the configuration we list, which weighs 52 g.
- Is the Garmin Fenix 8 waterproof?
- The Garmin Fenix 8 is rated 10 ATM (100m), which covers showering, swimming, and surface water sports. It is not a dive rating.
- Do you need a phone to use the Garmin Fenix 8?
- No. The Garmin Fenix 8 records, stores, and shows your data on the device itself — a phone is for syncing and review, not for tracking.
- When was the Garmin Fenix 8 released?
- Garmin released the Garmin Fenix 8 in 2024, and it is still in the current lineup.