Garmin Fenix 8 Pro vs Polar Grit X2 Pro

Garmin Fenix 8 Pro

$1,199.99

Polar Grit X2 Pro

$999.99

Quick verdict

Garmin Fenix 8 Pro

$1,199.99

The better pick if you want:

A higher overall score (80 vs 66)
Longer battery (15 vs 10 days)

Polar Grit X2 Pro

$999.99

The better pick if you want:

To spend $200 less

Spec profile

Each axis ranks against the 33 products in Watch on the site: the further out, the more it stands out in that spec (lighter, cheaper…).

Center: lowest in the category · Edge: highest

Garmin Fenix 8 Pro· leads in 3

Smartwatch batteryFeaturesLightness

Polar Grit X2 Pro· leads in none

Tied

GPS batteryWater resistanceAffordability

GPS battery
44 hTop 32%
43 hTop 36%
Smartwatch battery
15 days
10 days
Features
15Top 9%
10
Water resistance
10 ATMTop 24%
10 ATMTop 24%
Lightness
77 g
79 g
Affordability
$1200
$1000

Technical Specifications

Compare features between Garmin Fenix 8 Pro vs Polar Grit X2 Pro

Best value in this comparisonOnly differences (11)

Essentials

$1,199.99

$999.99

September 2025

March 2024

Battery

Up to 15 days

Up to 10 days

Up to 44 hours

—

Up to 34 hours

—

Display

AMOLED (up to 2,000 nits)

AMOLED

1.4 inch (35.56 mm)

1.39 inch

454 x 454 pixels

Yes

Build & durability

Fiber-reinforced polymer with titanium rear cover

Stainless steel (titanium on the Titan edition)

Titanium

Stainless steel

Sapphire crystal

10 ATM (dive-rated to 40 m)

10 ATM (WR100)

Features

32 GB

Multi-band GNSS, Offline maps, Turn-by-turn directions, Route & back-to-start navigation, Barometric altimeter, Compass, Blood oxygen (SpO2), ECG, AMOLED display, Touchscreen, Music on the watch, Contactless payments, LED flashlight, Microphone / voice, Race predictor & pacing

Multi-band GNSS, Offline maps, Turn-by-turn directions, Route & back-to-start navigation, Barometric altimeter, Compass, Blood oxygen (SpO2), ECG, AMOLED display, Touchscreen

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Video Reviews

Watch real-world YouTube reviews from content creators and the Trail Running community.

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Garmin Fenix 8 Pro

Polar Grit X2 Pro

Visual Comparison

See the differences between Garmin Fenix 8 Pro and Polar Grit X2 Pro in a side-by-side slider comparison.

Comparison Questions

Answers based on product data and key differences.

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Frequently Asked Questions

Which offers better value: Garmin Fenix 8 Pro vs Polar Grit X2 Pro?

For value comparison: The Garmin Fenix 8 Pro ($1199.99) provides premium features compared to the Polar Grit X2 Pro ($999.99). Consider your budget and the specific features that matter most for your trail running setup.