Smartwatches · Garmin
Garmin Instinct 3- Case size:
- 45 mm
- Display type:
- AMOLED
- Reference price:
- SAR 1,655
Garmin Instinct 3 vs Samsung Galaxy Watch8 Classic 46mm: which one suits you?
The two differ in 7 of the specs we have recorded, and the Garmin Instinct 3 is cheaper by SAR 194 (prices checked 5 Nov 2026).
Which one should you choose?
Choose the
Garmin Instinct 3 if you care about:- Paying less: cheaper by SAR 194
- Charge less often through the week (18 days vs 1.67 days)
- Higher water resistance for swimming and showers (10 ATM vs 5 ATM)
- Lower weight: 53 g vs 64 g
- Larger display size: 1.3 in vs 1.2 in · slight difference
The deciding difference here: battery life and water resistance and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Smartwatches · Samsung
Samsung Galaxy Watch8 Classic 46mm- Case size:
- 46 mm
- Display type:
- Super AMOLED
- Reference price:
- SAR 1,849
Key differences
Case size
45 mm46 mmDisplay type
AMOLEDSuper AMOLEDDisplay size
1.2 in✓ 1.3 in
Specifications side by side
19 of 19 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 1,655 | SAR 1,849 |
| Battery life | ✓ 18 days | 1.67 days |
| Cellular (LTE/eSIM) | — | No |
| Bluetooth calls | — | Yes |
| Phone compatibility | — | Android |
| Built-in GPS | Yes | Yes |
| Case size | 45 mm | 46 mm |
| Display type | AMOLED | Super AMOLED |
| Display size | 1.2 in | ✓ 1.3 in |
| Water resistance | ✓ 10 ATM | 5 ATM |
| Case material | — | Stainless steel |
| Weight | ✓ 53 g | 64 g |
| ECG | — | Yes |
| Heart-rate tracking | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Contactless payment (NFC) | Yes | Yes |
| Dimensions | 4.5 × 4.5 × 1.49 cm | 4.60 × 4.64 × 1.06 cm |
| dust resistance rating | — | IP68 |
| Release year | 2025 | 2025 |
| App control (Wi-Fi) | Yes | Yes |
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Similar comparisons
Direct comparison questions
What is the difference in battery life between the Garmin Instinct 3 and the Samsung Galaxy Watch8 Classic 46mm?
Battery life is higher on the Garmin Instinct 3: 18 days vs 1.67 days on the Samsung Galaxy Watch8 Classic 46mm. If this spec is your priority, the difference favours it.
What is the difference in built-in GPS between the Garmin Instinct 3 and the Samsung Galaxy Watch8 Classic 46mm?
No difference here: built-in GPS is Yes on both.
What is the difference in case size between the Garmin Instinct 3 and the Samsung Galaxy Watch8 Classic 46mm?
Garmin Instinct 3: 45 mm; Samsung Galaxy Watch8 Classic 46mm: 46 mm. A higher value is not necessarily better for you.
What is the difference in water resistance between the Garmin Instinct 3 and the Samsung Galaxy Watch8 Classic 46mm?
Water resistance is higher on the Garmin Instinct 3: 10 ATM vs 5 ATM on the Samsung Galaxy Watch8 Classic 46mm. If this spec is your priority, the difference favours it.