Garmin Fenix 8 Pro vs Polar Grit X2 Pro

Garmin Fenix 8 Pro

Garmin Fenix 8 Pro

vsPolar Grit X2 Pro

Polar Grit X2 Pro

Garmin Fenix 8 ProPolar Grit X2 Pro
DisplayAMOLED (47 and 51 mm) or MicroLED (51 mm, over 400,000 LEDs, up to 4,500 nits)1.39-inch AMOLED touchscreen, 454 x 454, 326 ppi, sapphire crystal glass, always-on option, ambient light sensor
Battery (smartwatch mode)Up to 27 days (51 mm AMOLED); up to 10 days (51 mm MicroLED)—
ConnectivityinReach satellite and LTE cellular (active subscription required; coverage varies by country)Bluetooth LE, USB-C charging cable (proprietary connector)
Messaging and callsText messages, location check-ins, voice calls and 30-second voice messages, LiveTrack, weather forecasts—
SafetySOS supported by Garmin Response—
DurabilityDive-rated, leakproof metal buttons, metal sensor guard cover, titanium bezel—
LightBuilt-in LED flashlight—
Availability8 September 2025—
PriceAMOLED from $1,199.99; MicroLED $1,999.99 (suggested retail)—
Body—48.6 x 48.6 x 13.4 mm; 79 g with wristband (57 g without); stainless steel case and bezel; 22 mm quick-release wristbands; WR100 water resistance; MIL-STD-810H tested; -20 to 50 C operating temperature
Battery—Up to 11 days in smartwatch mode; up to 40 hours in performance training mode; up to 110 hours in eco training mode; 488 mAh rechargeable Li-Pol battery (Polar's launch announcement quoted up to 10 days, 43 hours and 140 hours)
Storage—32 GB for training data, offline maps and routes
Sensors—Polar Elixir biosensing: 4th-generation optical heart rate, wrist-based ECG, SpO2, nightly skin temperature; barometer, magnetometer compass, accelerometer, gyroscope
GPS—Dual-frequency GPS with GLONASS, Galileo, BeiDou and QZSS
Navigation—Preloaded maps of Europe and North America, downloadable regions and contour maps in Polar Flow, Breadcrumbs, turn-by-turn navigation powered by komoot, Strava route sync, Track Back, Back to Start
Software—Polar Flow app; Training Load Pro, Recovery Pro, Nightly Recharge, SleepWise, FitSpark, FuelWise, Hill Splitter, orthostatic and running tests
Extras—Built-in flashlight; wrist-based running power; vertical speed, VAM and 3D speed
Colors—Night Black, Stone-Gray; Grit X2 Pro Titan edition with titanium front casing and an extra leather wristband