Polar Grit X2 vs Suunto Race 3S

Polar Grit X2

$479.90

Suunto Race 3S

£499

Quick verdict

Polar Grit X2

$479.90

The better pick if you want:

To spend $19.10 less

Suunto Race 3S

£499

The better pick if you want:

A higher overall score (58 vs 51)
Longer battery (12 vs 7 days)

Spec profile

Each axis ranks against the 34 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

Polar Grit X2· leads in 1

Features

Suunto Race 3S· leads in 3

GPS batterySmartwatch batteryLightness

Tied

Water resistanceAffordability

GPS battery
30 h
38 h
Smartwatch battery
7 days
12 days
Features
9
6
Water resistance
5 ATM
5 ATM
Lightness
62 g
56 gTop 40%
Affordability
$480Top 46%
$499Top 50%

Technical Specifications

Compare features between Polar Grit X2 vs Suunto Race 3S

Best value in this comparisonOnly differences (15)

Essentials

$479.90

£499

June 2025

October 2026

Battery

Up to 7 days

Up to 12 days

Display

AMOLED

—

1.28 inch

—

416 x 416 pixels

—

Yes

Build & durability

Polymer

—

Stainless steel

—

Sapphire crystal

—

5 ATM (WR50)

5 ATM (50 m)

Features

—

2000 nits

32 GB

—

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

Multi-band GNSS, Offline maps, Route & back-to-start navigation, Compass, AMOLED display, Touchscreen

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Video Reviews

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Polar Grit X2

Suunto Race 3S

No YouTube reviews available for this product yet.

Visual Comparison

See the differences between Polar Grit X2 and Suunto Race 3S 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: Polar Grit X2 vs Suunto Race 3S?

For value comparison: The Polar Grit X2 ($479.9) offers better affordability compared to the Suunto Race 3S ($499). Consider your budget and the specific features that matter most for your trail running setup.

Which is newer, the Polar Grit X2 or the Suunto Race 3S?

The Suunto Race 3S is newer: it came out in October 2026, and the Polar Grit X2 in June 2025.

Looking for alternatives to Polar Grit X2?

Closest in price, with what each one does better.

See all alternatives

Coros Apex 4

Coros

$479−$0.90Score 76+25

Better than Polar Grit X2 at:

A higher overall score (76 vs 51)
Longer battery (24 vs 7 days)

Compare with Polar Grit X2

Suunto Race 2

Suunto

$499+$19.10Score 75+24

Better than Polar Grit X2 at:

A higher overall score (75 vs 51)
Longer battery (18 vs 7 days)

Compare with Polar Grit X2

Garmin Forerunner 570

Garmin

$499.99+$20.09Score 61+10

Better than Polar Grit X2 at:

A higher overall score (61 vs 51)
Longer battery (10 vs 7 days)

Compare with Polar Grit X2

Popular Comparisons

Compare Polar Grit X2 or Suunto Race 3S with other top trail running watch from brands such as Polar, Suunto and more.

Watch

Spec profile

Each axis ranks against the 34 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

Polar Grit X2· leads in 1

Features

Suunto Race 3S· leads in 3

GPS batterySmartwatch batteryLightness

Tied

Water resistanceAffordability

GPS battery
30 h
38 h
Smartwatch battery
7 days
12 days
Features
9
6
Water resistance
5 ATM
5 ATM
Lightness
62 g
56 gTop 40%
Affordability
$480Top 46%
$499Top 50%

Polar Grit X2 vs Suunto Race 3S

Polar Grit X2

Suunto Race 3S

Quick verdict

Spec profile