Pebble Steel vs. Pebble Time Round vs. Fitbit One vs. Huawei Talkband B2 vs. Amazfit T-Rex

 
Steel
Time Round
One
Talkband B2
T-Rex
 PebbleSteelRemove Buy NowPebbleTime RoundRemove Buy NowFitbitOneRemove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$100$180$140
Release20142015201220152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days10-14 days3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a128 x 88360 x 360
Size1.26 inchesroundn/a0.73 inches1.3 inches
Touch
Typee-papere-paperOLEDPMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7Splast ResistantIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/an/aBuild-in
Apps
Music

All Wearables