Withings ScanWatch Light vs Polar Street X

Withings ScanWatch Light

Withings ScanWatch Light

vsPolar Street X

Polar Street X

Withings ScanWatch LightPolar Street X
DisplayAnalog hybrid dial with 0.63" grayscale OLED sub-display (14504 px, 282 PPI)1.28-inch AMOLED touchscreen, 416 x 416, always-on option, Gorilla Glass 3
Case37 mm (36.8 mm diameter, 9.85 mm thick), stainless steel, Gorilla Glass, 27.1 g without wristband, 18 mm FKM wristband—
BatteryUp to 30 days (launch claim; Withings now states up to 35 days), about 2 hours to chargeUp to 10 days in smartwatch mode; up to 43 hours with GPS in performance training mode (170 hours in eco mode); 385 mAh, replaceable
Water Resistance5 ATM (50 m)—
Health SensorsMulti-wavelength PPG heart rate sensor, HDR accelerometer (no ECG, SpO2 or temperature sensor)—
FeaturesHeart rate notifications, respiratory scan, sleep tracking, VO2 max, menstrual cycle logging, 40+ automatic activities—
OSHealthSense, iOS 15+ / Android 9+ compatible—
ColoursBlack, white, rose gold and white—
Body—45 x 45 x 13.8 mm; 48 g with wristband, 28 g without; bio-based plastic case; 22 mm quick-release strap
Positioning—GPS, Galileo, BeiDou, QZSS with assisted GPS; barometer, compass; route guidance and back to start
Sensors—Precision Prime optical heart rate, nightly skin temperature, accelerometer, gyroscope, barometer, magnetometer; no ECG or SpO2
Connectivity—Bluetooth LE; proprietary USB-C charging cable
Durability—WR50 water resistance; tested to MIL-STD-810H; -20 to 50 °C operation
Sports—170+ sports and activities, Training Load Pro, Nightly Recharge, SleepWise, Sleep Plus Stages
Performance—275 MHz CPU, 5 MB memory, 32 MB storage
Extras—Integrated LED flashlight with white and red light; Polar Flow app and web service included
Colors—Night Black, Snow White, Forest Green