NewGarmin MARQ Adventurer (Gen 3) added to the catalogSee specs →Advertise
idk.devsmartwatches & bands, compared
  1. idk.dev
  2. Compare
  3. T-Rex 3 Pro vs Race 2

Amazfit T-Rex 3 Pro vs Suunto Race 2

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

Amazfit T-Rex 3 Pro
Amazfit · 2025T-Rex 3 Pro
9.6Score
5 advantages≈ $400
Higher score
vs
Suunto Race 2
Suunto · 2025Race 2
9.0Score
2 advantages≈ $510
9.7Display6.3
9.0Battery life8.0
9.6Health tracking4.9
9.5Sports & outdoor6.4
8.6Build & durability8.4
Dimensions

Size comparison

T-Rex 3 ProRace 2
48 × 481449 × 4912.5
T-Rex 3 ProRace 2Difference
Height48 mm49 mm−1 mm
Width48 mm49 mm−1 mm
Thickness14 mm12.5 mm+1.5 mm
Weight74 g76 g−2 g

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

Why is T-Rex 3 Pro better than Race 2?

  1. Battery life (smartwatch mode)25 days vs 18 days+39%
  2. GPS battery life85 h vs 65 h+31%
  3. Sport profiles180 vs 95+89%
  4. Pixel density466 ppi vs 311 ppi+50%
  5. Resolution (width)480 px vs 466 px+3%

Why is Race 2 better than T-Rex 3 Pro?

  1. GPS battery life (dual-band)38 h vs 55 h+45%
  2. Thickness14 mm vs 12.5 mm+12%
Specifications

Side by side

To compare: 0up to 4 models
Compare