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  3. Instinct E 40mm vs Street X

Garmin Instinct E 40mm vs Polar Street X

What Instinct E 40mm does better (3) and where Street X wins (5) — every spec side by side.

Garmin Instinct E 40mm
Garmin · 2025Instinct E 40mm
4.4Score
3 advantages≈ $250
vs
Polar Street X
Polar · 2026Street X
5.3Score
5 advantages≈ $270
Higher score
2.4Display6.4
4.0Battery life5.0
4.9Health tracking9.8
4.5Sports & outdoor2.4
5.9Build & durability4.2
Dimensions

Size comparison

Instinct E 40mmStreet X
40 × 4013.645 × 4513.8
Instinct E 40mmStreet XDifference
Height40 mm45 mm−5 mm
Width40 mm45 mm−5 mm
Thickness13.6 mm13.8 mm−0.2 mm
Weight41 g48 g−7 g

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

Why is Instinct E 40mm better than Street X?

  1. Battery life (smartwatch mode)14 days vs 10 days+40%
  2. Water resistance10 ATM vs 5 ATM2×
  3. Weight41 g vs 48 g+17%

Why is Street X better than Instinct E 40mm?

  1. GPS battery life21 h vs 42 h2×
  2. AMOLED / OLED displayNo · Instinct E 40mm: Yes
  3. Resolution (width)166 px vs 416 px2.5×
  4. Pixel density136 ppi vs 325 ppi2.4×
  5. Screen size1.22″ vs 1.28″+5%
Specifications

Side by side

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