NewGarmin MARQ Adventurer (Gen 3) added to the catalogSee specs →Advertise
idk.devsmartwatches & bands, compared
  1. idk.dev
  2. Compare
  3. moto watch ultra vs Vantage M3

Motorola moto watch ultra vs Polar Vantage M3

What moto watch ultra does better (4) and where Vantage M3 wins (1) — every spec side by side.

Motorola moto watch ultra
Motorola · 2026moto watch ultra
6.2Score
4 advantages≈ $430
Higher score
vs
Polar Vantage M3
Polar · 2024Vantage M3
4.5Score
1 advantage≈ $430
9.4Display6.4
4.9Health tracking8.3
4.2Build & durability4.1
Dimensions

Size comparison

moto watch ultraVantage M3
46 × 4612.144.7 × 44.712.2
moto watch ultraVantage M3Difference
Height46 mm44.7 mm+1.3 mm
Width46 mm44.7 mm+1.3 mm
Thickness12.1 mm12.2 mm−0.1 mm
Weight51 g53 g−2 g

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

Why is moto watch ultra better than Vantage M3?

  1. Screen size1.5″ vs 1.28″+17%
  2. Battery capacity550 mAh vs 310 mAh+77%
  3. Weight51 g vs 53 g+4%
  4. Resolution (width)466 px vs 416 px+12%

Why is Vantage M3 better than moto watch ultra?

  1. Battery life (smartwatch mode)2 days vs 8 days4×
Specifications

Side by side

To compare: 0up to 4 models
Compare