Between the Instinct 3 Tactical and Race, the Instinct 3 Tactical comes out ahead in smartwatch mode / solar charging, while the Race wins on gps mode / multi-band gps. Overall, the Instinct 3 Tactical scores 56.8 and the Race scores 50.6 on our Mars Score.
Which should you buy?
The Instinct 3 Tactical edges ahead on the Mars Score (56.8 vs 50.6), but the 6.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Instinct 3 Tactical if you care most about smartwatch mode / solar charging. The biggest gaps in its favor are smartwatch mode, solar charging.
Pick the Race if you care most about gps mode / multi-band gps. Its strongest claims are gps mode, multi-band gps.
Both ship with comparable ecg, so those specs do not separate the two — focus on the differences below.
Bottom line: the Instinct 3 Tactical is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Garmin - Instinct 3 Tactical wins
- ▲Smartwatch mode — 150.00% more. 30 days vs 12 days.
- ▲Has Solar charging.
Why Suunto - Race wins
- ▲GPS mode — 71.43% more. 120 h vs 70 h.
- ▲Has Multi-band GPS.
Spec comparison
GPS & Sensors
| Spec | Garmin - Instinct 3 Tactical | Suunto - Race |
|---|---|---|
| Multi-band GPS | false | truelead |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | false | false |
| Pulse Ox | true | true |
Battery
| Spec | Garmin - Instinct 3 Tactical | Suunto - Race |
|---|---|---|
| Smartwatch mode | 30 dayslead | 12 days |
| GPS mode | 70 h | 120 hlead |
| Solar charging | truelead | false |
Design
| Spec | Garmin - Instinct 3 Tactical | Suunto - Race |
|---|---|---|
| Case size | 50 mmlead | 49 mm |
| Weight | 70 glead | 83 g |
| Water resistanceⓘ | 10 ATM | 10 ATM |
Spec-level deep dives
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