Between the PACE 3 and Ocean, the PACE 3 comes out ahead in smartwatch mode and gps mode, while the Ocean wins on several specs. Overall, the PACE 3 scores 46.6 and the Ocean scores 41.3 on our Mars Score.
Which should you buy?
The PACE 3 edges ahead on the Mars Score (46.6 vs 41.3), but the 5.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the PACE 3 if you care most about smartwatch mode and gps mode. The biggest gaps in its favor are smartwatch mode, gps mode.
The Ocean 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 PACE 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Coros - PACE 3 wins
- ▲Smartwatch mode — 70.00% more. 17 days vs 10 days.
- ▲GPS mode — 26.67% more. 38 h vs 30 h.
Why Suunto - Ocean wins
- No decisive advantages.
Spec comparison
GPS & Sensors
| Spec | Coros - PACE 3 | Suunto - Ocean |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | false | false |
| Pulse Ox | true | true |
Battery
| Spec | Coros - PACE 3 | Suunto - Ocean |
|---|---|---|
| Smartwatch mode | 17 dayslead | 10 days |
| GPS mode | 38 hlead | 30 h |
| Solar charging | false | false |
Design
| Spec | Coros - PACE 3 | Suunto - Ocean |
|---|---|---|
| Case size | 42 mm | 49 mmlead |
| Weight | 39 glead | 78 g |
| Water resistanceⓘ | 5 ATM | 30 ATMlead |
Frequently asked
Spec-level deep dives
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