Adventure Watches Head to head
Polar Grit X2 vs Garmin Instinct 3 50mm
The Polar Grit X2 leads on offline maps on the watch, sapphire lens and ECG. The Garmin Instinct 3 50mm leads on battery, smartwatch use (rated) and water resistance. They are level on GPS battery, most accurate mode, dual-frequency GPS, flashlight and cellular version available. At list price the Garmin Instinct 3 50mm is $400 cheaper.
Polar Grit X2
$799.99
Maker's list price, checked Oct 7, 2026
Model 900115134
Leads on 3 of 9 specs
Garmin Instinct 3 50mm AMOLED
$399.99
Maker's list price, checked Oct 7, 2026
Model 010-03020-00
Leads on 2 of 9 specs
Who leads on specs?
Counted on the 9 specs both makers publish.
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Choose the Polar Grit X2 if
Offline maps on the watch, sapphire lens and ECG matter more to you than the price difference.
Choose the Garmin Instinct 3 50mm if
Battery, smartwatch use (rated) and water resistance matter most, and you want to spend less.
Spec by spec
Every spec side by side. A tick and a green cell mark the better figure.
| Spec | Polar Grit X2 | Garmin Instinct 3 50mm | Who leads |
|---|---|---|---|
| List price | $799.99 | $399.99 | Garmin Instinct 3 50mm |
| Battery, smartwatch use (rated) | 168 hr | 576 hr | Garmin Instinct 3 50mm |
| GPS battery, most accurate mode | 30 hr | 30 hr | Level |
| Case weight (no band) | 39.7 g | Not listed | Can’t compare: not listed |
| Dual-frequency GPS | Yes | Yes | Level |
| Offline maps on the watch | Yes | No | Polar Grit X2 |
| Flashlight | Yes | Yes | Level |
| Sapphire lens | Yes | No | Polar Grit X2 |
| Water resistance | 50 m | 100 m | Garmin Instinct 3 50mm |
| ECG | Yes | No | Polar Grit X2 |
| Cellular version available | No | No | Level |
| Case size | 45.7 mm | 50 mm | For information |
