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  3. Active Max vs T-Rex 3 Pro

Amazfit Active Max vs Amazfit T-Rex 3 Pro

What Active Max does better (2) and where T-Rex 3 Pro wins (5) — every spec side by side.

Amazfit Active Max
Amazfit · 2025Active Max
9.6Score
2 advantages≈ $170
vs
Amazfit T-Rex 3 Pro
Amazfit · 2025T-Rex 3 Pro
9.6Score
5 advantages≈ $400
Higher score
8.7Display9.6
9.7Battery life9.0
4.9Health tracking9.6
9.7Sports & outdoor9.5
5.4Smart features4.2
5.8Build & durability8.6
Dimensions

Size comparison

Active MaxT-Rex 3 Pro
48.5 × 48.512.248 × 4814
Active MaxT-Rex 3 ProDifference
Height48.5 mm48 mm+0.5 mm
Width48.5 mm48 mm+0.5 mm
Thickness12.2 mm14 mm−1.8 mm
Weight40 g74 g−35 g

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

Why is Active Max better than T-Rex 3 Pro?

  1. Weight39.5 g vs 74.5 g+89%
  2. Thickness12.2 mm vs 14 mm+15%

Why is T-Rex 3 Pro better than Active Max?

  1. Water resistance5 ATM vs 10 ATM2×
  2. GPS battery life64 h vs 85 h+33%
  3. Pixel density323 ppi vs 466 ppi+44%
  4. Battery capacity658 mAh vs 700 mAh+6%
  5. Sport profiles170 vs 180+6%
Specifications

Side by side

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