Garmin Descent Mk3i vs Garmin Fenix 9 Pro
4 recorded spec differences. Garmin Fenix 9 Pro is currently the cheaper of the two on Amazon.sa (SAR 6,979 vs SAR 5,529, checked 5 Nov 2026).
Specifications side by side
| Spec | Garmin Descent Mk3i | Garmin Fenix 9 Pro |
|---|---|---|
| Phone, battery and calls | ||
| Battery life | 1 days | 18 days |
| Cellular (LTE/eSIM) | — | Yes |
| Built-in GPS | Yes | Yes |
| Size, screen and durability | ||
| Case size | 51 mm | 47 mm |
| Water resistance | 20 ATM | 10 ATM |
| Case material | — | Titanium |
| Weight | 104.3 g | — |
| Display type | AMOLED | AMOLED |
| Display size | 1.4 in | 1.4 in |
| Health and payments | ||
| ECG | No | Yes |
| Heart-rate tracking | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Contactless payment (NFC) | Yes | — |
Highlighted rows differ. Facts come from each Amazon.sa listing. As an Amazon Associate we earn from qualifying purchases. Buying through our links costs you nothing extra.