Wearable comparison / Polar / Grit X2

POLAR

Grit X2

Name: Grit X2
Brand: Polar

WatchFlagshipreleased 2025

Key specs

Price

$799indicative US list price

Battery

7 d · GPS 30 h7d smartwatch; 30h performance training, 90h eco

Display

AMOLED · always-on

Water resistance

WR50 / 50m (swim)

GPS

Multi-band

Weight

62 g

Case size

44.7mm

Works with

iOS + Android

Subscription

Not required · Polar Flowfree

Extras

Offline maps

not confirmed: the USD list price sits far above the EUR one (479.90 EUR), recorded from the US Polar store

What it tracks

Heart & vitals

Resting heart rateHigh accuracy

HRVHigh accuracy

Blood oxygen (SpO2)tracked

Respiratory rateConsumer

Skin temperaturetracked

ECG recordingtracked

Sleep

Sleep durationHigh accuracy

Sleep stagesHigh accuracy

Sleep scoretracked

Sleep efficiencytracked

Activity

StepsConsumer

Active minutesConsumer

CaloriesConsumer

WorkoutsHigh accuracy

Distancetracked

Fitness

VO2maxtracked

Training loadtracked

Recovery / readinesstracked

Screening, not a medical diagnosis. This device offers ECG, SpO2. These are wellness screening features, not a substitute for a clinical evaluation.

Sources

https://www.polar.com/us-en/grit-x2
https://www.polar.com/en/grit-x2
https://www.dcrainmaker.com/2025/06/polar-grit-x2-in-depth-review.html

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