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  3. Forerunner 570 42mm vs Forerunner 70

Garmin Forerunner 570 42mm vs Garmin Forerunner 70

What Forerunner 570 42mm does better (2) and where Forerunner 70 wins (4) — every spec side by side.

Garmin Forerunner 570 42mm
Garmin · 2025Forerunner 570 42mm
4.5Score
2 advantages≈ $550
vs
Garmin Forerunner 70
Garmin · 2026Forerunner 70
4.6Score
4 advantages≈ $250
Higher score
5.3Display5.3
2.6Battery life3.9
9.4Health tracking4.9
3.0Build & durability3.4
Dimensions

Size comparison

Forerunner 570 42mmForerunner 70
42.4 × 42.412.942.6 × 42.611.9
Forerunner 570 42mmForerunner 70Difference
Height42.4 mm42.6 mm−0.2 mm
Width42.4 mm42.6 mm−0.2 mm
Thickness12.9 mm11.9 mm+1 mm
Weight42 g40 g+2 g

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

Why is Forerunner 570 42mm better than Forerunner 70?

  1. Storage8 GB vs 0 GB16×
  2. Sport profiles83 vs 76+9%

Why is Forerunner 70 better than Forerunner 570 42mm?

  1. Battery life (smartwatch mode)10 days vs 13 days+30%
  2. GPS battery life18 h vs 23 h+28%
  3. Weight42 g vs 40 g+5%
  4. Thickness12.9 mm vs 11.9 mm+8%
Specifications

Side by side

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