Watch Series 2 Forerunner 225 Watch Alta Core
  Apple Watch Series 2 Remove Buy Now Garmin Forerunner 225 Remove Buy Now Huawei Watch Remove Buy Now Fitbit Alta Remove Buy Now Pebble Core Remove Buy Now

Basic Info

Suggested Price $269 $300 $349 $130 $99
Release 2016 2015 2015 2016 2016

Activity & Fitness

Calories
Cycling (Bicycling) NA
Distance
Heart
Oxygen
Sleep NA
Steps
Swim

Battery

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

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

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

Functions

Audio Speaker 22 n/a
Clock
Phone n/a NA
Vibration NA
Voice

Hardware

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

Notifications

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

Software

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

All Wearables