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  3. Apex 4 (42mm) vs Vantage M3

Coros Apex 4 (42mm) vs Polar Vantage M3

What Apex 4 (42mm) does better (2) and where Vantage M3 wins (6) — every spec side by side.

Coros Apex 4 (42mm)
Coros · 2025Apex 4 (42mm)
5.0Score
2 advantages≈ $430
Higher score
vs
Polar Vantage M3
Polar · 2024Vantage M3
4.5Score
6 advantages≈ $430
3.4Display6.4
5.4Battery life3.0
4.9Health tracking8.3
4.6Sports & outdoor2.9
4.8Build & durability4.1
Dimensions

Size comparison

Apex 4 (42mm)Vantage M3
42.6 × 42.61444.7 × 44.712.2
Apex 4 (42mm)Vantage M3Difference
Height42.6 mm44.7 mm−2.1 mm
Width42.6 mm44.7 mm−2.1 mm
Thickness14 mm12.2 mm+1.8 mm
Weight56 g53 g+3 g

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

Why is Apex 4 (42mm) better than Vantage M3?

  1. Battery life (smartwatch mode)15 days vs 8 days+88%
  2. GPS battery life34 h vs 27 h+26%

Why is Vantage M3 better than Apex 4 (42mm)?

  1. AMOLED / OLED displayNo · Apex 4 (42mm): Yes
  2. Resolution (width)240 px vs 416 px+73%
  3. Screen size1.2″ vs 1.28″+7%
  4. Weight56 g vs 53 g+6%
  5. Pixel density200 ppi vs 325 ppi+62%
  6. Thickness14 mm vs 12.2 mm+15%
Specifications

Side by side

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