Garmin - Fenix 8 Solar (47mm) vs Garmin - MARQ Athlete (Gen 2)
Between the Fenix 8 Solar (47mm) and MARQ Athlete (Gen 2), the Fenix 8 Solar (47mm) comes out ahead in gps mode / smartwatch mode, while the MARQ Athlete (Gen 2) wins on several specs. Overall, the Fenix 8 Solar (47mm) scores 58.4 and the MARQ Athlete (Gen 2) scores 45.3 on our Mars Score.
Which should you buy?
The Fenix 8 Solar (47mm) is the clear pick on raw spec strength, leading by 13.1 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Fenix 8 Solar (47mm) if you care most about gps mode / smartwatch mode. The biggest gaps in its favor are gps mode, smartwatch mode, solar charging.
The MARQ Athlete (Gen 2) similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable multi-band gps, ecg, so those specs do not separate the two — focus on the differences below.
Bottom line: the Fenix 8 Solar (47mm) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Garmin - Fenix 8 Solar (47mm) wins
- ▲GPS mode — 246.67% more. 104 h vs 30 h.
- ▲Smartwatch mode — 75.00% more. 28 days vs 16 days.
- ▲Has Solar charging.
Why Garmin - MARQ Athlete (Gen 2) wins
- No decisive advantages.
Spec comparison
GPS & Sensors
| Spec | Garmin - Fenix 8 Solar (47mm) | Garmin - MARQ Athlete (Gen 2) |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | true | true |
| Pulse Ox | true | true |
Battery
| Spec | Garmin - Fenix 8 Solar (47mm) | Garmin - MARQ Athlete (Gen 2) |
|---|---|---|
| Smartwatch mode | 28 dayslead | 16 days |
| GPS mode | 104 hlead | 30 h |
| Solar charging | truelead | false |
Design
| Spec | Garmin - Fenix 8 Solar (47mm) | Garmin - MARQ Athlete (Gen 2) |
|---|---|---|
| Case size | 47 mmlead | 46 mm |
| Weight | 82 glead | 92 g |
| Water resistanceⓘ | 10 ATM | 10 ATM |
Spec-level deep dives
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