Polar Grit X2 vs Garmin Fenix 8

Polar Grit X2

Polar Grit X2

vsGarmin Fenix 8

Garmin Fenix 8

Polar Grit X2Garmin Fenix 8
Display1.28-inch AMOLED touchscreen, 416 x 416, sapphire crystal glass, always-on optionAMOLED (43, 47 and 51 mm) or solar-charging always-on display (47 and 51 mm)
Body44.7 x 44.7 x 12.5 mm; 62 g with wristband (39 g without); plastic case with stainless steel bezel; 22 mm standard wristbands; WR50 water resistance; MIL-STD-810H tested—
BatteryUp to 7 days in smartwatch mode; up to 30 hours in performance training mode; up to 90 hours in eco training mode; rechargeable and replaceable Li-Pol battery—
Storage32 GB (offline maps)—
SensorsPolar Elixir biosensing: 4th-generation optical heart rate, wrist-based ECG, SpO2, skin temperature; barometer, magnetometer compass, accelerometer, gyroscope—
GPSDual-frequency GPS with GLONASS, Galileo, BeiDou and QZSS—
NavigationPreloaded full-colour offline topographic maps, route guidance, Track Back, points of interestMulti-band GPS with SatIQ, altimeter, barometer, 3-axis compass, TopoActive maps (sapphire models)
ConnectivityBluetooth LE, USB-C charging cable (proprietary connector)—
SoftwarePolar Flow app; Nightly Recharge, Training Load Pro, Orthostatic Test—
ColorsNight Black, Brown Copper—
Battery (smartwatch mode)—Up to 29 days (51 mm AMOLED); up to 48 days (51 mm solar, always-on display, Garmin test conditions)
Durability—Tested to U.S. military standards for thermal, shock and water resistance; 40 m dive-rated case; leakproof metal buttons
Materials—Optional titanium bezel and scratch-resistant sapphire lens
Audio—Built-in speaker and microphone, voice commands
Light—Built-in LED flashlight (variable intensity, red light, strobe)
Health—Pulse Ox, Body Battery, HRV status, sleep monitoring, ECG app (region dependent)
Price—From $999.99 (suggested retail, launch)