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  3. Forerunner 170 vs Forerunner 70

Garmin Forerunner 170 vs Garmin Forerunner 70

What Forerunner 170 does better (2) and where Forerunner 70 wins (5) — every spec side by side.

Garmin Forerunner 170
Garmin · 2026Forerunner 170
4.3Score
2 advantages≈ $300
vs
Garmin Forerunner 70
Garmin · 2026Forerunner 70
4.6Score
5 advantages≈ $250
Higher score
5.3Display5.3
2.9Battery life3.9
4.9Health tracking4.9
3.1Build & durability3.4
Dimensions

Size comparison

Forerunner 170Forerunner 70
42.6 × 42.611.942.6 × 42.611.9
Forerunner 170Forerunner 70Difference
Height42.6 mm42.6 mm=
Width42.6 mm42.6 mm=
Thickness11.9 mm11.9 mm=
Weight41 g40 g+1 g

Drawn to the same scale from the official dimensions (front and side).

Why is Forerunner 170 better than Forerunner 70?

  1. Storage4 GB vs 0 GB8×
  2. Sport profiles78 vs 76+3%

Why is Forerunner 70 better than Forerunner 170?

  1. Battery life (smartwatch mode)10 days vs 13 days+30%
  2. GPS battery life20 h vs 23 h+15%
  3. Weight41 g vs 40 g+2%
  4. Battery saver mode19 days vs 28 days+47%
  5. Battery life with always-on display4 days vs 5 days+25%
Specifications

Side by side

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