Samsung Galaxy Watch 4 Classic vs Amazfit T-Rex 3 Pro 44mm
3 recorded spec differences. Samsung Galaxy Watch 4 Classic is currently the cheaper of the two on Amazon.sa (SAR 1,780 vs SAR 1,825, checked 4 Nov 2026).
Specifications side by side
| Spec | Samsung Galaxy Watch 4 Classic | Amazfit T-Rex 3 Pro 44mm |
|---|---|---|
| Phone, battery and calls | ||
| Battery life | 4 days | 17 days |
| Cellular (LTE/eSIM) | No | — |
| Bluetooth calls | — | Yes |
| Phone compatibility | Android | — |
| Built-in GPS | Yes | Yes |
| Size, screen and durability | ||
| Case size | 46 mm | 44 mm |
| Display type | — | AMOLED |
| Display size | 1.2 in | 1.77 in |
| Water resistance | — | 10 ATM |
| Case material | Stainless steel | — |
| Health and payments | ||
| ECG | Yes | — |
| Contactless payment (NFC) | — | Yes |
| Warranty | 3 years | — |
| Heart-rate tracking | Yes | Yes |
| Other specs | ||
| dust resistance rating | IP68 | — |
| App control (Wi-Fi) | 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.