Polar M400 vs. Huawei Watch 2 vs. Motorola Moto 360 (1st Gen) vs. Garmin Forerunner 45 vs. Apple Watch 7

 
M400
Watch 2
Moto 360 (1st Gen)
Forerunner 45
Watch 7
 PolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$350$150$199$429
Release20142017201420192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days48 hours1 day7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480320 x 260208 x 208396 x 484
Sizen/a1.38 inches1.56 inches1.04 inches1.9 inches
Touch
Typen/aP-OLEDLCDLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IP675 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearBuilt-inWatchOS 8
Apps
MusicNA

All Wearables