Amazfit Active 3 Premium vs Polar Loop

Amazfit Active 3 Premium

Amazfit Active 3 Premium

vsPolar Loop

Polar Loop

Amazfit Active 3 PremiumPolar Loop
Display1.32-inch AMOLED, 466x466, 353 ppi, up to 3,000 nits, sapphire glassNone - screen-free band with no buttons; data is shown in the Polar Flow app
BodyStainless steel frame, four buttons; 45 x 45 x 11 mm excluding sensor; 38 g without strap; 20 mm silicone strapStainless steel sensor unit, 42 x 27 x 9 mm; 29 g with band (19.5 g without band); SoftWeave band in S/M and M/L sizes; WR30 water resistance
BatteryUp to 12 days (typical use), up to 7 days (heavy use), up to 4 days with always-on display; up to 24 hours continuous GPS (up to 76 hours in power-saving mode); 365 mAhUp to 8 days, 170 mAh Li-Pol, USB-C charging cable
PositioningGPS with offline maps, turn-by-turn navigation, automatic rerouting and point-to-point route planning—
SensorsBioTracker PPG biometric sensor (5PD + 2LED), accelerometer, gyroscope, ambient light, geomagnetic, temperature, barometric altimeterPolar Precision Prime optical heart-rate sensor (OHR Gen 3.5), accelerometer; no skin temperature sensing
ConnectivityBluetooth LE 5.3, Bluetooth calls with microphone and speaker, NFC payments in supported regionsBluetooth Low Energy (one connection, reserved for Polar Flow); no built-in GPS (uses phone GPS in Polar Flow)
Durability5 ATM water resistance—
Storage4GB onboard—
Sports170+ sports modes, built-in running workouts, Zepp Coach plans, 25 auto-recognized strength movements—
CompatibilityAndroid 7.0 or later, iOS 14.0 or later, via the Zepp App—
ColorsApex Silver, Atlas Blue, Aero WhiteGreige Sand, Night Black, Brown Copper; extra bands USD 29.90
Tracking—24/7 heart rate, activity, sleep and recovery tracking; Nightly Recharge, SleepWise, Sleep Plus Stages, Training Load Pro, automatic training detection
Memory—4 weeks of data on the band (16 MB storage)
Software—Polar Flow app (free, no subscription); one-time purchase