Features

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Camera and Display Features
Display Resolution 360 x 360 Pixels  454 x 454 Pixels  312 x 390 Pixels
Display Size 1.25 inch  1.33 inch  1.77 inch  1.65 inch
Display Type LCD  Super AMOLED  OLED Retina Display
Backlight Display Yes Yes Yes
Scratch Resistant Yes Yes Yes
Other Display Features Always-on Color Display with Scratch Resistant Gorilla GlView More... Ion-X (Strengthened Glass), Support Force Touch
Fitness and Watch Functions
Calorie Count Yes Yes Yes Yes
Step Count Yes Yes Yes Yes
Heart Rate Monitor Yes Yes Yes Yes
Other Fitness Features Tracks: Distance, Pace, Steps, Sleep Quality, Calories BuView More... Built in Fitness Tracker: Steps Count, Distance and Calor View More...
Date & Time Display Date & Time  Yes Yes Yes
Compass Yes
Calendar Yes Yes Yes Yes
Alarm Clock Yes Yes Yes Yes
Language English  English 
Number of Buttons 2  3  2
Other Watch Functions Customizable Watch Faces, Calendar Alerts, Receive NotifiView More... Personalize Dial, Control Music, Calendar Alerts, Social View More...
Altimeter Yes
Dimensions
Weight 63 g 
Other Dimensions 20.88 mm x 24.36 mm x 34 mm 
Width 34 mm 
Warranty
Warranty Summary 1 Year Warranty  2 Years Warranty  1 Year Warranty
Warranty Service Type Carry In  Carry In  Carry In
Covered in Warranty 1 Year Manufacturer Warranty from the Date of Purchase  Manufacturing Defects  Manufacturing Defects  Manufacturing Defects
Not Covered in Warranty Physical Damage  Physical Damage  Physical Damage
Domestic Warranty 1 Year  1 Year  2 Year 
International Warranty 1 Year 
Audio and Video Features
Microphone Yes
Voice Control Yes
General
Sales Package Smartwatch, User Manual, Charger, Dongle  Smartwatch, Charging Dock, Travel Adapter, Strap, Quick SView More... Smartwatch, Charger, User Manual  Smartwatch, Magnetic Charging Cable (1 m), Band, Quick St View More...
Model Number FB501BUS  SM-R800NZSAINU  FTW4011  MTF32HN/A
Model Name Surge  Galaxy Watch 46 mm  4th Gen Explorist HR  Watch Series 3 GPS -
Dial Shape Square  Circle  Circle  Rectangle
Strap Color Blue  Black  Silver  Black
Strap Material Elastomer  Elastomer  Stainless steel  Silicone
Size Small  Regular  Regular  Regular
Touchscreen Yes Yes Yes Yes
Water Resistant Yes Yes Yes Yes
Usage Fitness & Outdoor  Fitness & Outdoor  Fitness & Outdoor  Notifier, Fitness & Outdoor
Ideal For Unisex  Men  Men  Unisex
Dial Color Space Grey
Water Resistance Depth 50000 mm  50 m  30 m  50 m
Dial Material Surgical-grade Stainless Steel  Aluminium Case
Product Details
Closure Metal Clasp  Strap Buckle  Metal Clasp 
Sensor GPS,3-axis accelerometers,3-axis gyroscope  3-axis Accelerometer, Ggyro, Barometer, Heart Rate SensorView More... Accelerometer, Ambient Light, Gyroscope, Heart Rate  Barometric Altimeter, Heart Rate Sensor, Accelerometer, G View More...
Compatible Device iPhone, Android Smartphones  iPhone, Android Smartphones  iPhone 5, 5c, 5s, SE, 6, 6 Plus, 6s, 6s Plus, 7 , 7 Plus, View More...
Notification Calendar Reminder, Call Notification, Text Notification  Yes Yes Messages, Calendar, Mail
Notification Type Vibration  Vibration 
Battery Type Lithium Polymer  Lithium Polymer  Lithium Ion
Battery Life Upto 7 Days, With GPS Upto 10 hrs  Upto 3 Days (Based on Usage)  Upto 24 hrs (Based on Usage)  Upto 18 hours
Rechargeable Battery Yes Yes Yes Yes
Charger Type USB Cable  WPC Based Wireless Charging 
Other Features Maximize Training, Maintain Intensity and Monitor CalorieView More... 22 mm Interchangeable Strap, 472 mAh Battery, US MilitaryView More... Interchangeable Watch Band 
Charge Time 120 min  2 hrs  90 min
Stand By Time 168 hr 
Platform and Storage Features
Compatible Operating System Android 4.3, iOS, Windows 7 and Above  Android & iOS  Android 4.4 and Above (Excluding Go Edition) and iOS 9.3 View More... iOS 10 and Above
Operating System Fitbit OS  Tizen Wearable OS  Wear OS by Google  watchOS 4
RAM 512 MB 
Processor Name Exynos 9110 Dual Core Processor  Qualcomm Snapdragon Wear 2100  S3
Internal Memory 4 GB  4 GB  8 GB
Number of Cores 2  Dual Core
Processor Speed 1.15 GHz 
Connectivity Features
Call Function No  No  No  No
Bluetooth Yes Yes Yes Yes
Wi-Fi Yes Yes No  Yes
GPS Yes Yes Yes Yes
Bluetooth Version v4.0  v4.2  v4.1  v4.2
Other Connectivity Features NFC, Wi-Fi (802.11b/g/n)  Wi-Fi (802.11b/g/n 2.4 GHz)
Operating Range 6 m 
Third Party App Support Yes