Garmin MARQ (Gen 3) vs Polar Grit X2 Pro

Garmin MARQ (Gen 3)

Garmin MARQ (Gen 3)

vsPolar Grit X2 Pro

Polar Grit X2 Pro

Garmin MARQ (Gen 3)Polar Grit X2 Pro
CollectionSix models: Adventurer, Athlete, Aviator, Commander, Diver and Golfer; US prices start at $2,500—
Display1.4-inch borderless AMOLED display, the largest yet on a MARQ1.39-inch AMOLED touchscreen, 454 x 454, 326 ppi, sapphire crystal glass, always-on option, ambient light sensor
MaterialsGrade 5 titanium, sapphire lens, ceramic bezel inlays; model-specific straps and bracelets—
BatteryUp to 18 days in smartwatch mode (Garmin claims)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)
NavigationPreloaded worldwide TopoActive maps with address search; Preloaded ClimbPro on AdventurerPreloaded 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
ConnectivityLTE calls, Garmin Messenger text and voice messages, satellite or LTE messaging, SOS to Garmin Response, Garmin Locate (active plan required)Bluetooth LE, USB-C charging cable (proprietary connector)
HealthECG app (AFib detection, availability varies), stress, sleep, Pulse Ox, HRV, morning and evening reports—
FeaturesBuilt-in speaker and microphone, LED flashlight, customizable watch faces including World Timer, Panda and Flieger—
DurabilityLeakproof buttons on Adventurer and Diver; Diver supports scuba, apnea and snorkel activities up to 40 meters—
OSGarmin firmware; pairs with Android and iOS through the Garmin Connect app—
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
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
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