Garmin Fénix 8 AMOLED 47 mm vs Polar Grit X2 Pro
Garmin Fénix 8 AMOLED 47 mm (47 h GPS, 59 g) vs Polar Grit X2 Pro (43 h GPS, 64 g). Side-by-side spec comparison: battery, weight, maps, multi-band GPS and price. Which GPS watch should you buy?
GarminGarmin Fénix 8 AMOLED 47 mmGarmin's flagship multisport watch: AMOLED display, topo maps, multi-band GPS, LED flashlight, speaker and microphone. 47 h in GPS mode (35 h multi-band) and 16 days in smartwatch mode. Rugged case with sapphire glass for mountain ultras and multi-day adventures.
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PolarPolar Grit X2 ProPolar's adventure multisport watch: 1.39" AMOLED display with sapphire, dual-frequency GPS and full-colour offline topo maps. 43 h of battery in training mode and MIL-STD-810H military standard. Top-tier recovery and training metrics for demanding trail and outdoor use.
View on AmazonSpec-by-spec comparison
| Spec | Garmin Fénix 8 AMOLED 47 mm | Polar Grit X2 Pro |
|---|---|---|
| GPS battery | 47 h | 43 h |
| Multi-band battery | 35 h | Yes |
| Smartwatch | 16 days | 10 days |
| Weight | 59 g | 64 g |
| Maps | ✓ | ✓ |
| Multi-band | ✓ | ✓ |
| Music | ✓ | – |
| Display | AMOLED | AMOLED |
| Price | Flagship | High-end |
GPS battery = each manufacturer's standard GPS mode; multi-band = dual-frequency (maximum accuracy). On Suunto, Polar Grit and Amazfit T-Rex the GPS figure already corresponds to dual-band mode. Figures verified against the manufacturer.
Verdict
For maximum autonomy on long ultras, Garmin Fénix 8 AMOLED 47 mm lasts longer in GPS mode. If you want the lightest watch on your wrist, go for Garmin Fénix 8 AMOLED 47 mm. On budget, Polar Grit X2 Pro is the more affordable option.