Amazfit T-Rex 3 vs Samsung Galaxy Watch 7
4 recorded spec differences. Samsung Galaxy Watch 7 is currently the cheaper of the two on Amazon.sa (SAR 1,072 vs SAR 969, checked 3 Nov 2026).
Specifications side by side
| Spec | Amazfit T-Rex 3 | Samsung Galaxy Watch 7 |
|---|---|---|
| Phone, battery and calls | ||
| Battery life | 27 days | 1 days |
| Cellular (LTE/eSIM) | Yes | No |
| Built-in GPS | Yes | Yes |
| Size, screen and durability | ||
| Case size | 48 mm | 44 mm |
| Display type | AMOLED | — |
| Water resistance | 10 ATM | 5 ATM |
| Weight | 68.3 g | — |
| Display size | 1.5 in | 1.5 in |
| Health and payments | ||
| ECG | No | — |
| Blood oxygen (SpO2) | Yes | — |
| Contactless payment (NFC) | Yes | — |
| Heart-rate tracking | Yes | Yes |
| Other specs | ||
| Release year | 2024 | — |
| dust resistance rating | IP68 | IP68 |
| App control (Wi-Fi) | Yes | 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.