Smartwatches · Samsung
Samsung Galaxy Watch 6 Classic- Case size:
- 47 mm
- Display type:
- AMOLED
- Reference price:
- SAR 957
Samsung Galaxy Watch 6 Classic vs Amazfit T-Rex 3: which one suits you?
The two differ in 4 of the specs we have recorded, and the Samsung Galaxy Watch 6 Classic is cheaper by SAR 115 (prices checked 5 Nov 2026).
Which one should you choose?
- Paying less: cheaper by SAR 115
Choose the
Amazfit T-Rex 3 if you care about:- Charge less often through the week (27 days vs 0.5 days)
- Has built-in GPS; the other doesn't
- Lower weight: 68 g vs 240 g
The deciding difference here: battery life and built-in GPS and price.
Compares recorded specs; a missing spec does not mean the feature is absent.
Key differences
Case size
47 mm48 mmBattery life
0.5 days✓ 27 daysBuilt-in GPS
No✓ Yes
Specifications side by side
16 of 16 specs
Scroll the table sideways to see the rest.
| Spec | | |
|---|---|---|
| Reference price | SAR 957 | SAR 1,072 |
| Battery life | 0.5 days | ✓ 27 days |
| Built-in GPS | No | ✓ Yes |
| Cellular (LTE/eSIM) | Yes | Yes |
| Case size | 47 mm | 48 mm |
| Display size | — | 1.5 in |
| Water resistance | — | 10 ATM |
| Case material | Stainless steel | — |
| Weight | 240 g | ✓ 68 g |
| Display type | AMOLED | AMOLED |
| ECG | — | No |
| Blood oxygen (SpO2) | — | Yes |
| Heart-rate tracking | Yes | Yes |
| Contactless payment (NFC) | Yes | Yes |
| Release year | — | 2024 |
| dust resistance rating | — | IP68 |
| App control (Wi-Fi) | — | Yes |
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Similar comparisons
Direct comparison questions
What is the difference in battery life between the Samsung Galaxy Watch 6 Classic and the Amazfit T-Rex 3?
Battery life is higher on the Amazfit T-Rex 3: 27 days vs 0.5 days on the Samsung Galaxy Watch 6 Classic. If this spec is your priority, the difference favours it.
What is the difference in cellular (LTE/eSIM) between the Samsung Galaxy Watch 6 Classic and the Amazfit T-Rex 3?
No difference here: cellular (LTE/eSIM) is Yes on both.
What is the difference in built-in GPS between the Samsung Galaxy Watch 6 Classic and the Amazfit T-Rex 3?
Samsung Galaxy Watch 6 Classic: No; Amazfit T-Rex 3: Yes. This is a spec difference, not a verdict that one is better overall.
What is the difference in case size between the Samsung Galaxy Watch 6 Classic and the Amazfit T-Rex 3?
Samsung Galaxy Watch 6 Classic: 47 mm; Amazfit T-Rex 3: 48 mm. A higher value is not necessarily better for you.