Garmin Forerunner 170 vs Suunto Core 2
Garmin Forerunner 170 and Suunto Core 2 are watches both released in 2026 by different brands, with overlapping phone compatibility. This comparison separates the catalog's listed specifications from missing information and approximate values. It covers 17 fields, including 8 exact differences; it does not choose a winner.
Specifications side by side
| Field | Garmin Forerunner 170 | Suunto Core 2 |
|---|---|---|
| Release year | 2026 | 2026 |
| Case sizes | 42 mm | 49 mm |
| Display | AMOLED | 1.3-inch monochrome LED dot-matrix |
| Battery, as listed | Up to 10 days | Not listed |
| Operating system | Garmin OS | Suunto firmware |
| Phone compatibility | Android, iPhone | Android, iPhone |
| Cellular connection | None | None |
| Water rating | 5ATM | 10ATM |
| Glass | Not listed | Gorilla Glass |
| Case material | Polymer | Not listed |
| GPS | Dual-frequency GNSS | None |
| Maps | No | No |
| Payment system | Garmin Pay | None listed |
| Plan requirement | Not required | Not required |
| Listed sensors and features | HRV, Readiness score, SpO2 | None listed |
| Safety features | livelocate, SOS calling | siren |
| Hardware flashlight | No | No |
"Not listed" means the catalog has no usable value for that field. It does not mean the watch lacks the feature. Approximate values stay visible but do not support the difference count or numeric deltas.
Where they differ
- Case sizes: Garmin Forerunner 170 lists 42 mm; Suunto Core 2 lists 49 mm. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
- Display: Garmin Forerunner 170 lists AMOLED; Suunto Core 2 lists 1.3-inch monochrome LED dot-matrix.
- Operating system: Garmin Forerunner 170 lists Garmin OS; Suunto Core 2 lists Suunto firmware. The listed software descriptions are not a guarantee of the software version currently installed on an individual watch.
- Water rating: Garmin Forerunner 170 lists 5ATM; Suunto Core 2 lists 10ATM.
- GPS: Garmin Forerunner 170 lists Dual-frequency GNSS; Suunto Core 2 lists None.
- Payment system: Garmin Forerunner 170 lists Garmin Pay; Suunto Core 2 lists None listed.
- Listed sensors and features: Garmin Forerunner 170 lists HRV, Readiness score, SpO2; Suunto Core 2 lists None listed. This compares the listed feature names, not measurement accuracy, clinical usefulness or availability in a particular country.
- Safety features: Garmin Forerunner 170 lists livelocate, SOS calling; Suunto Core 2 lists siren.
Where they are the same
- Both list release year: 2026.
- Both list phone compatibility: Android, iPhone.
- Both list cellular connection: None.
- Both list maps: No.
- Both list plan requirement: Not required.
- Both list hardware flashlight: No.
Which one fits you
Garmin Forerunner 170 is listed as a watch compatible with Android, iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.
Suunto Core 2 is listed as a watch compatible with Android, iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.
Information is missing on at least one side for: Battery, as listed, Glass, Case material. Those rows are excluded from the exact difference count.
Related pages
- Garmin Forerunner 170 specifications
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- Suunto Core 2 specifications
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