Between the Fenix 8 CE (47mm) and Grit X2 Pro, the Fenix 8 CE (47mm) comes out ahead in gps mode and smartwatch mode, while the Grit X2 Pro wins on several specs. Overall, the Fenix 8 CE (47mm) scores 50 and the Grit X2 Pro scores 42.6 on our Mars Score.
Which should you buy?
The Fenix 8 CE (47mm) edges ahead on the Mars Score (50 vs 42.6), but the 7.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Fenix 8 CE (47mm) if you care most about gps mode and smartwatch mode. The biggest gaps in its favor are gps mode, smartwatch mode.
The Grit X2 Pro similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable multi-band gps, solar charging, ecg, so those specs don't separate the two — focus on the differences below.
Bottom line: the Fenix 8 CE (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 CE (47mm) wins
- ▲GPS mode — 95.35% more. 84 h vs 43 h.
- ▲Smartwatch mode — 60.00% more. 16 days vs 10 days.
Why Polar - Grit X2 Pro wins
- No decisive advantages.
Spec comparison
GPS & Sensors
| Spec | Garmin - Fenix 8 CE (47mm) | Polar - Grit X2 Pro |
|---|---|---|
| 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 CE (47mm) | Polar - Grit X2 Pro |
|---|---|---|
| Smartwatch mode | 16 dayslead | 10 days |
| GPS mode | 84 hlead | 43 h |
| Solar charging | false | false |
Design
| Spec | Garmin - Fenix 8 CE (47mm) | Polar - Grit X2 Pro |
|---|---|---|
| Case size | 47 mm | 47.5 mmlead |
| Weight | 80 g | 79 glead |
| Water resistanceⓘ | 10 ATM | 10 ATM |
Spec-level deep dives
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