Garmin Forerunner 55 vs Samsung Galaxy Watch8 40mm: which one suits you?

The two differ in 4 of the specs we have recorded, and the Garmin Forerunner 55 is cheaper by SAR 72 (prices checked 5 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 72
  • Larger display size: 1.34 in vs 1.04 in
  • Has ECG; the other doesn't
  • Has contactless payment (NFC); the other doesn't

The deciding difference here: display size and ECG and price.

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

Key differences

  • Display type

    MIPSuper AMOLED
  • Display size

    1.04 in✓ 1.34 in
  • ECG

    No✓ Yes

Specifications side by side

16 of 16 specs

Scroll the table sideways to see the rest.

Spec
GarminSAR 798
Garmin Forerunner 55 specs
SamsungSAR 870
Samsung Galaxy Watch8 40mm specs
Reference priceSAR 798SAR 870
Battery life14 days—
Phone compatibility—Android
Built-in GPSYesYes
Cellular (LTE/eSIM)NoNo

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Direct comparison questions

What is the difference in cellular (LTE/eSIM) between the Garmin Forerunner 55 and the Samsung Galaxy Watch8 40mm?

No difference here: cellular (LTE/eSIM) is No on both.

What is the difference in built-in GPS between the Garmin Forerunner 55 and the Samsung Galaxy Watch8 40mm?

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

What is the difference in water resistance between the Garmin Forerunner 55 and the Samsung Galaxy Watch8 40mm?

No difference here: water resistance is 5 ATM on both.

What is the difference in display type between the Garmin Forerunner 55 and the Samsung Galaxy Watch8 40mm?

Garmin Forerunner 55: MIP; Samsung Galaxy Watch8 40mm: Super AMOLED. This is a spec difference, not a verdict that one is better overall.