Garmin Instinct 3 vs Garmin Forerunner 170 Music: which one suits you?

The two differ in 5 of the specs we have recorded, and the Garmin Instinct 3 is cheaper by SAR 46 (prices checked 5 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 46
  • Charge less often through the week (28 days vs 10 days)
  • Larger display size: 1.2 in vs 0.9 in
  • Lower weight: 40 g vs 52 g

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

  • Display size

    0.9 in✓ 1.2 in
  • Battery life

    ✓ 28 days10 days
  • Case material

    Type: ResinType: Acrylonitrile Butadiene Styrene (ABS)

Specifications side by side

11 of 11 specs

Scroll the table sideways to see the rest.

Spec
GarminSAR 1,563
Garmin Instinct 3 specs
GarminSAR 1,609
Garmin Forerunner 170 Music specs
Reference priceSAR 1,563SAR 1,609
Battery life✓ 28 days10 days
Built-in GPSYesYes

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Similar comparisons

Direct comparison questions

What is the difference in battery life between the Garmin Instinct 3 and the Garmin Forerunner 170 Music?

Battery life is higher on the Garmin Instinct 3: 28 days vs 10 days on the Garmin Forerunner 170 Music. 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 Forerunner 170 Music?

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

What is the difference in display type between the Garmin Instinct 3 and the Garmin Forerunner 170 Music?

No difference here: display type is AMOLED on both.

What is the difference in display size between the Garmin Instinct 3 and the Garmin Forerunner 170 Music?

Display size is higher on the Garmin Forerunner 170 Music: 1.2 in vs 0.9 in on the Garmin Instinct 3. If this spec is your priority, the difference favours it.