Watch Series 2 Forerunner 225 Watch M600 Alta
  Apple Watch Series 2 Remove Buy Now Garmin Forerunner 225 Remove Buy Now Huawei Watch Remove Buy Now Polar M600 Remove Buy Now Fitbit Alta Remove Buy Now

Basic Info

Suggested Price $269 $300 $349 $330 $130
Release 2016 2015 2015 2016 2016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 18 hours 10 hours to 4 weeks n/a 2 days 5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a n/a
Mac n/a n/a
Windows n/a n/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution 340 x 272 or 390 x 312 180 x 180 400 x 400 240 x 240 n/a
Size 1.5 inches or 1.65 inches 1 inch 1.4 inches 1.3 inches n/a
Touch n/a n/a
Type AMOLED n/a AMOLED TFT OLED

Functions

Audio Speaker 22 n/a Alerts only
Clock
Phone n/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM 5 ATM n/a IPX8 n/a

Notifications

Phone n/a
Emails n/a n/a
Texts n/a

Software

Operating System Watch OS n/a Android Wear Android Wear n/a
Apps n/a
Music n/a n/a

All Wearables