
Smartwatches · Garmin
Garmin Instinct 3- Case size:
- 45 mm
- Display type:
- AMOLED
- Reference price:
- SAR 1,655
The two differ in 4 of the specs we have recorded (prices checked 5 Nov 2026).

Choose the
Garmin Instinct 3 if you care about:
Choose the
Samsung Galaxy Ultra if you care about:The deciding difference here: display size and battery life.
Compares recorded specs; a missing spec does not mean the feature is absent.

Smartwatches · Garmin
Garmin Instinct 3
Smartwatches · Samsung
Samsung Galaxy UltraCase size
Display size
Battery life
Scroll the table sideways to see the rest.
| Spec | ![]() | ![]() |
|---|---|---|
| Reference price | SAR 1,655 | SAR 1,687 |
| Battery life | ✓ 18 days | 0.5 days |
| Cellular (LTE/eSIM) | — | Yes |
| Built-in GPS | Yes | Yes |
| Case size | 45 mm | 47 mm |
| Display size | 1.2 in | ✓ 1.5 in |
| Case material | — | Titanium |
| Weight | ✓ 53 g | 500 g |
| Display type | AMOLED | AMOLED |
| Water resistance | 10 ATM | 10 ATM |
| ECG | — | Yes |
| Heart-rate tracking | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Warranty | — | 3 years |
| Contactless payment (NFC) | Yes | Yes |
| Release year | 2025 | — |
| Dimensions | 4.5 × 4.5 × 1.49 cm | — |
| App control (Wi-Fi) | Yes | Yes |
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Battery life is higher on the Garmin Instinct 3: 18 days vs 0.5 days on the Samsung Galaxy Ultra. If this spec is your priority, the difference favours it.
No difference here: built-in GPS is Yes on both.
Garmin Instinct 3: 45 mm; Samsung Galaxy Ultra: 47 mm. A higher value is not necessarily better for you.
No difference here: water resistance is 10 ATM on both.