Fitbit Surge vs. Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Sony SmartBand vs. Amazfit GTS

 
Surge
Flex 2
Forerunner 935
SmartBand
GTS
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowSonySmartBandRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$100$500$100$150
Release20162016201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysUp to 2 weeks5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a240 x 240NA348 x 442
Size1.26 inchesn/a1.2 inchesNA1.65 inches
Touchn/aNA
TypeMonochrome LCDLEDLCDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables