NewGarmin MARQ Adventurer (Gen 3) added to the catalogSee specs →Advertise
idk.devsmartwatches & bands, compared
  1. idk.dev
  2. Compare
  3. Active 3 Premium vs Watch S5

Amazfit Active 3 Premium vs Xiaomi Watch S5

What Active 3 Premium does better (1) and where Watch S5 wins (4) — every spec side by side.

Amazfit Active 3 Premium
Amazfit · 2026Active 3 Premium
9.2Score
1 advantage≈ $170
Higher score
vs
Xiaomi Watch S5
Xiaomi · 2026Watch S5
8.2Score
4 advantages≈ $160
9.0Display7.1
9.8Health tracking9.6
9.7Sports & outdoor8.0
6.8Build & durability4.2
Dimensions

Size comparison

Active 3 PremiumWatch S5
45 × 451146 × 4611
Active 3 PremiumWatch S5Difference
Case size45 mm46 mm−1 mm
Thickness11 mm11 mm=
Weight38 g46 g−8 g

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

Why is Active 3 Premium better than Watch S5?

  1. Weight38 g vs 46 g+21%

Why is Watch S5 better than Active 3 Premium?

  1. Battery life (smartwatch mode)12 days vs 21 days+75%
  2. Battery capacity365 mAh vs 815 mAh2.2×
  3. Screen size1.32″ vs 1.48″+12%
  4. Resolution (width)466 px vs 480 px+3%
Specifications

Side by side

To compare: 0up to 4 models
Compare