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  3. A3 vs CMF Watch 3 Pro

Mibro A3 vs Nothing CMF Watch 3 Pro

What A3 does better (2) and where CMF Watch 3 Pro wins (4) — every spec side by side.

Mibro A3
Mibro · 2025A3
5.1Score
2 advantages≈ $55
vs
Nothing CMF Watch 3 Pro
Nothing · 2025CMF Watch 3 Pro
6.0Score
4 advantages≈ $75
Higher score
4.9Health tracking4.9
8.0Sports & outdoor8.0
Dimensions

Size comparison

A3CMF Watch 3 Pro
45.2 × 45.211.647 × 4714.4
A3CMF Watch 3 ProDifference
Case size45.2 mm47 mm−1.8 mm
Thickness11.6 mm14.4 mm−2.8 mm
Weight45 g51 g−6 g

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

Why is A3 better than CMF Watch 3 Pro?

  1. Weight45 g vs 51 g+13%
  2. Thickness11.6 mm vs 14.4 mm+24%

Why is CMF Watch 3 Pro better than A3?

  1. Battery life (smartwatch mode)8 days vs 13 days+62%
  2. Screen size1.39″ vs 1.43″+3%
  3. Resolution (width)360 px vs 466 px+29%
  4. Battery capacity300 mAh vs 350 mAh+17%
Specifications

Side by side

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