Adventure Watches Head to head
Galaxy Watch Ultra2 vs Amazfit T-Rex Ultra 2
The Galaxy Watch Ultra2 leads on ECG and cellular version available. The Amazfit T-Rex Ultra 2 leads on battery, smartwatch use (rated). They are level on dual-frequency GPS and water resistance. At list price the Amazfit T-Rex Ultra 2 is $150 cheaper.
Samsung Galaxy Watch Ultra2 47mm LTE
$699.99
Maker's list price, checked Oct 7, 2026
Model SM-L715UZKAXAA
Leads on 2 of 5 specs
Amazfit T-Rex Ultra 2
$549.99
Maker's list price, checked Oct 7, 2026
Model T-Rex Ultra 2
Leads on 1 of 5 specs
Who leads on specs?
Counted on the 5 specs both makers publish.
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Choose the Galaxy Watch Ultra2 if
ECG and cellular version available matter more to you than the price difference.
Choose the Amazfit T-Rex Ultra 2 if
Battery, smartwatch use (rated) matters most, and you want to spend less.
Spec by spec
Every spec side by side. A tick and a green cell mark the better figure.
| Spec | Galaxy Watch Ultra2 | Amazfit T-Rex Ultra 2 | Who leads |
|---|---|---|---|
| List price | $699.99 | $549.99 | Amazfit T-Rex Ultra 2 |
| Battery, smartwatch use (rated) | 80 hr | 720 hr | Amazfit T-Rex Ultra 2 |
| GPS battery, most accurate mode | Not listed | 50 hr | Can’t compare: not listed |
| Case weight (no band) | 61.5 g | Not listed | Can’t compare: not listed |
| Dual-frequency GPS | Yes | Yes | Level |
| Offline maps on the watch | Not listed | Yes | Can’t compare: not listed |
| Flashlight | Not listed | Yes | Can’t compare: not listed |
| Sapphire lens | Not listed | Yes | Can’t compare: not listed |
| Water resistance | 100 m | 100 m | Level |
| ECG | Yes | No | Galaxy Watch Ultra2 |
| Cellular version available | Yes | No | Galaxy Watch Ultra2 |
| Case size | 47 mm | 51 mm | For information |
