Amazfit T-Rex 3 vs Huawei Atum-B39FC
4 recorded spec differences. Huawei Atum-B39FC is currently the cheaper of the two on Amazon.sa (SAR 1,072 vs SAR 849, checked 3 Nov 2026).
Specifications side by side
| Spec | Amazfit T-Rex 3 | Huawei Atum-B39FC |
|---|---|---|
| Phone, battery and calls | ||
| Battery life | 27 days | 21 days |
| Cellular (LTE/eSIM) | Yes | — |
| Built-in GPS | Yes | Yes |
| Size, screen and durability | ||
| Case size | 48 mm | 46 mm |
| Display size | 1.5 in | 1.47 in |
| Water resistance | 10 ATM | — |
| Case material | — | Type: Stainless Steel |
| Weight | 68.3 g | 51.3 g |
| Display type | AMOLED | AMOLED |
| Health and payments | ||
| ECG | No | — |
| Heart-rate tracking | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Contactless payment (NFC) | Yes | Yes |
| Other specs | ||
| Release year | 2024 | — |
| 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.