Garmin Forerunner 55 vs Samsung Galaxy Watch Ultra 47mm: which one suits you?

The two differ in 2 of the specs we have recorded, and the Garmin Forerunner 55 is cheaper by SAR 837 (prices checked 6 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 837
  • Charge less often through the week (14 days vs 4.2 days)
  • Has cellular (LTE/eSIM); the other doesn't

The deciding difference here: battery life and cellular (LTE/eSIM) and price.

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

Key differences

  • Battery life

    ✓ 14 days4.2 days
  • Cellular (LTE/eSIM)

    No✓ Yes

Specifications side by side

13 of 13 specs

Scroll the table sideways to see the rest.

Spec
GarminSAR 798
Garmin Forerunner 55 specs
SamsungSAR 1,635
Samsung Galaxy Watch Ultra 47mm specs
Reference priceSAR 798SAR 1,635
Battery life✓ 14 days4.2 days
Cellular (LTE/eSIM)No✓ Yes
Phone compatibility—Android
Built-in GPSYesYes

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Direct comparison questions

What is the difference in battery life between the Garmin Forerunner 55 and the Samsung Galaxy Watch Ultra 47mm?

Battery life is higher on the Garmin Forerunner 55: 14 days vs 4.2 days on the Samsung Galaxy Watch Ultra 47mm. If this spec is your priority, the difference favours it.

What is the difference in cellular (LTE/eSIM) between the Garmin Forerunner 55 and the Samsung Galaxy Watch Ultra 47mm?

Garmin Forerunner 55: No; Samsung Galaxy Watch Ultra 47mm: Yes. This is a spec difference, not a verdict that one is better overall.

What is the difference in built-in GPS between the Garmin Forerunner 55 and the Samsung Galaxy Watch Ultra 47mm?

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

What is the difference in heart-rate tracking between the Garmin Forerunner 55 and the Samsung Galaxy Watch Ultra 47mm?

No difference here: heart-rate tracking is Yes on both.