Garmin Instinct 3 vs Garmin Fenix 9 (47mm): which one suits you?

The two differ in 3 of the specs we have recorded, and the Garmin Instinct 3 is cheaper by SAR 3,394 (prices checked 6 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 3,394
  • Charge less often through the week (18 days vs 16 days) · slight difference
  • Larger display size: 1.4 in vs 1.2 in · slight difference

The deciding difference here: price.

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

Key differences

  • Case size

    45 mm47 mm
  • Display size

    1.2 in✓ 1.4 in
  • Battery life

    ✓ 18 days16 days

Specifications side by side

15 of 15 specs

Scroll the table sideways to see the rest.

Spec
GarminSAR 1,655
Garmin Instinct 3 specs
GarminSAR 5,049
Garmin Fenix 9 (47mm) specs
Reference priceSAR 1,655SAR 5,049
Battery life✓ 18 days16 days
Phone compatibility—Smartphone
Built-in GPSYesYes

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Direct comparison questions

What is the difference in battery life between the Garmin Instinct 3 and the Garmin Fenix 9 (47mm)?

Battery life is higher on the Garmin Instinct 3: 18 days vs 16 days on the Garmin Fenix 9 (47mm). If this spec is your priority, the difference favours it.

What is the difference in built-in GPS between the Garmin Instinct 3 and the Garmin Fenix 9 (47mm)?

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

What is the difference in case size between the Garmin Instinct 3 and the Garmin Fenix 9 (47mm)?

Garmin Instinct 3: 45 mm; Garmin Fenix 9 (47mm): 47 mm. A higher value is not necessarily better for you.

What is the difference in display type between the Garmin Instinct 3 and the Garmin Fenix 9 (47mm)?

No difference here: display type is AMOLED on both.