Samsung Gear S2 vs. Fitbit Alta vs. Sony SmartBand vs. HTC re Grip vs. Apple Watch 7

 
Gear S2
Alta
SmartBand
re Grip
Watch 7
 SamsungGear S2Remove Buy NowFitbitAltaRemove Buy NowSonySmartBandRemove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$130$100$199$429
Release20152016201420202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days5 days5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

ColorNA
Resolution360 x 360n/aNA160 x 32396 x 484
Size1.2 inchesn/aNA1.8 inches1.9 inches
Touchn/aNA
TypeSuper AMOLEDOLEDNAPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/aIP58IP57water resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/aNANAWatchOS 8
Apps
Music

All Wearables