Smartwatches · Garmin
Garmin Descent Mk3i- Case size:
- 51 mm
- Display type:
- AMOLED
- Reference price:
- SAR 6,374
Garmin Descent Mk3i vs Samsung Galaxy Watch9: which one suits you?
The two differ in 5 of the specs we have recorded, and the Samsung Galaxy Watch9 is cheaper by SAR 2,775 (prices checked 28 Oct 2026).
Which one should you choose?
Choose the
Garmin Descent Mk3i if you care about:- Higher water resistance for swimming and showers (20 ATM vs 5 ATM)
Choose the
Samsung Galaxy Watch9 if you care about:- Paying less: cheaper by SAR 2,775
- Has ECG; the other doesn't
- Lower weight: 34 g vs 166 g
The deciding difference here: ECG and water resistance and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Smartwatches · Samsung
Samsung Galaxy Watch9- Case size:
- 44 mm
- Display type:
- Super AMOLED
- Reference price:
- SAR 3,599
Key differences
Case size
51 mm44 mmDisplay type
AMOLEDSuper AMOLEDECG
No✓ Yes
Specifications side by side
17 of 17 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 6,374 | SAR 3,599 |
| Battery life | 25 days | — |
| Cellular (LTE/eSIM) | — | Yes |
| Phone compatibility | — | Android |
| Built-in GPS | Yes | Yes |
| Case size | 51 mm | 44 mm |
| Display type | AMOLED | Super AMOLED |
| Display size | 1.4 in | — |
| Water resistance | ✓ 20 ATM | 5 ATM |
| Case material | Titanium | — |
| Weight | 166 g | ✓ 34 g |
| ECG | No | ✓ Yes |
| Blood oxygen (SpO2) | Yes | — |
| Heart-rate tracking | Yes | Yes |
| Contactless payment (NFC) | Yes | Yes |
| Release year | 2023 | — |
| Dimensions | 5.1 × 5.1 × 1.64 cm | — |
| App control (Wi-Fi) | Yes | Yes |
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Similar comparisons
Direct comparison questions
What is the difference in built-in GPS between the Garmin Descent Mk3i and the Samsung Galaxy Watch9?
No difference here: built-in GPS is Yes on both.
What is the difference in case size between the Garmin Descent Mk3i and the Samsung Galaxy Watch9?
Garmin Descent Mk3i: 51 mm; Samsung Galaxy Watch9: 44 mm. A higher value is not necessarily better for you.
What is the difference in water resistance between the Garmin Descent Mk3i and the Samsung Galaxy Watch9?
Water resistance is higher on the Garmin Descent Mk3i: 20 ATM vs 5 ATM on the Samsung Galaxy Watch9. If this spec is your priority, the difference favours it.
What is the difference in display type between the Garmin Descent Mk3i and the Samsung Galaxy Watch9?
Garmin Descent Mk3i: AMOLED; Samsung Galaxy Watch9: Super AMOLED. This is a spec difference, not a verdict that one is better overall.