Samsung Galaxy Watch4 Classic 46mm vs Amazfit T-Rex 3 Pro 44mm: which one suits you?

The two differ in 3 of the specs we have recorded, and the Samsung Galaxy Watch4 Classic 46mm is cheaper by SAR 45 (prices checked 5 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 45
  • Larger display size: 1.77 in vs 1.2 in
  • Charge less often through the week (17 days vs 4 days)

The deciding difference here: display size and battery life and price.

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

Key differences

  • Case size

    46 mm44 mm
  • Display size

    1.2 in✓ 1.77 in
  • Battery life

    4 days✓ 17 days

Specifications side by side

16 of 16 specs

Scroll the table sideways to see the rest.

Spec
SamsungSAR 1,780
Samsung Galaxy Watch4 Classic 46mm specs
AmazfitSAR 1,825
Amazfit T-Rex 3 Pro 44mm specs
Reference priceSAR 1,780SAR 1,825
Battery life4 days✓ 17 days
Cellular (LTE/eSIM)No—
Bluetooth calls—Yes
Phone compatibilityAndroid—
Built-in GPSYesYes

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Similar comparisons

Direct comparison questions

What is the difference in battery life between the Samsung Galaxy Watch4 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 4 days on the Samsung Galaxy Watch4 Classic 46mm. If this spec is your priority, the difference favours it.

What is the difference in built-in GPS between the Samsung Galaxy Watch4 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 Watch4 Classic 46mm and the Amazfit T-Rex 3 Pro 44mm?

Samsung Galaxy Watch4 Classic 46mm: 46 mm; Amazfit T-Rex 3 Pro 44mm: 44 mm. A higher value is not necessarily better for you.

What is the difference in display size between the Samsung Galaxy Watch4 Classic 46mm and the Amazfit T-Rex 3 Pro 44mm?

Display size is higher on the Amazfit T-Rex 3 Pro 44mm: 1.77 in vs 1.2 in on the Samsung Galaxy Watch4 Classic 46mm. If this spec is your priority, the difference favours it.