Samsung Galaxy Watch8 Classic 46mm vs Amazfit T-Rex 3 Pro 44mm: which one suits you?

The two differ in 5 of the specs we have recorded (prices checked 5 Nov 2026).

Which one should you choose?

  • No clear lead in the recorded specs; design or brand preference may decide.
  • Larger display size: 1.77 in vs 1.3 in
  • Charge less often through the week (17 days vs 1.67 days)
  • Higher water resistance for swimming and showers (10 ATM vs 5 ATM)

The deciding difference here: display size and battery life.

Compares recorded specs; a missing spec does not mean the feature is absent.

Key differences

  • Case size

    46 mm44 mm
  • Display type

    Super AMOLEDAMOLED
  • Display size

    1.3 in✓ 1.77 in

Specifications side by side

19 of 19 specs

Scroll the table sideways to see the rest.

Spec
SamsungSAR 1,849
Samsung Galaxy Watch8 Classic 46mm specs
AmazfitSAR 1,825
Amazfit T-Rex 3 Pro 44mm specs
Reference priceSAR 1,849SAR 1,825
Battery life1.67 days✓ 17 days
Cellular (LTE/eSIM)No—
Phone compatibilityAndroid—
Built-in GPSYesYes
Bluetooth callsYesYes

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Similar comparisons

Direct comparison questions

What is the difference in battery life between the Samsung Galaxy Watch8 Classic 46mm and the Amazfit T-Rex 3 Pro 44mm?

Battery life is higher on the Amazfit T-Rex 3 Pro 44mm: 17 days vs 1.67 days on the Samsung Galaxy Watch8 Classic 46mm. If this spec is your priority, the difference favours it.

What is the difference in bluetooth calls between the Samsung Galaxy Watch8 Classic 46mm and the Amazfit T-Rex 3 Pro 44mm?

No difference here: bluetooth calls is Yes on both.

What is the difference in built-in GPS between the Samsung Galaxy Watch8 Classic 46mm and the Amazfit T-Rex 3 Pro 44mm?

No difference here: built-in GPS is Yes on both.

What is the difference in case size between the Samsung Galaxy Watch8 Classic 46mm and the Amazfit T-Rex 3 Pro 44mm?

Samsung Galaxy Watch8 Classic 46mm: 46 mm; Amazfit T-Rex 3 Pro 44mm: 44 mm. A higher value is not necessarily better for you.