Watch Series 2 Watch Gear S2 Alta Gear Fit2
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Basic Info

Suggested Price $269 $349 $300 $130 $180
Release 2016 2015 2015 2016 2016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 18 hours n/a 2-3 days 5 days 3-4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular n/a
GPS n/a
NFC
Wi-Fi

Display

Color
Resolution 340 x 272 or 390 x 312 400 x 400 360 x 360 n/a 432 x 216
Size 1.5 inches or 1.65 inches 1.4 inches 1.2 inches n/a 1.5 inches
Touch n/a
Type AMOLED AMOLED Super AMOLED OLED Super AMOLED

Functions

Audio Speaker n/a Bluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM n/a IP68 n/a IP68

Notifications

Phone
Emails n/a
Texts

Software

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

All Wearables