Features

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Camera and Display Features
Display Resolution 360 x 360 Pixels  360 x 360 Pixels  312 x 390 Pixels  454 x 454 Pixels
Display Size 1.33 inch  1.2 inch  1.65 inch  1.77 inch
Display Type Super AMOLED  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... 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... Tracks: Distance, Pace, Steps, Sleep Quality, Calories BuView More... Built in Fitness Tracker: Steps Count, Distance and CalorView More...
Date & Time Display Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
Alarm Clock Yes Yes Yes Yes
Language English  English 
Number of Buttons 2  2  2  3
Other Watch Functions Customizable Watch Faces, Calendar Alerts, Receive NotifiView More... Customizable Watch Faces, Calendar Alerts, Receive NotifiView More... Personalize Dial, Control Music, Calendar Alerts, Social  View More...
Altimeter Yes
Dimensions
Weight 63 g  49 g 
Warranty
Warranty Summary 1 Year Warranty  1 Year Warranty  1 Year Warranty  2 Years Warranty
Warranty Service Type Carry In  Carry In  Carry In  Carry In
Covered in Warranty Manufacturing Defects  Manufacturing Defects  Manufacturing Defects  Manufacturing Defects
Not Covered in Warranty Physical Damage  Physical Damage  Physical Damage  Physical Damage
Domestic Warranty 1 Year  1 Year  2 Year
International Warranty 1 Year  1 Year 
Audio and Video Features
Microphone Yes
Voice Control Yes
General
Sales Package Smartwatch, Charging Dock, Travel Adapter, Strap, Quick SView More... Smartwatch, Charging Dock, Travel Adapter, Strap, Quick SView More... Smartwatch, Magnetic Charging Cable (1 m), Band, Quick StView More... Smartwatch, Charger, User Manual
Model Number SM-R800NZSAINU  SM-R810NZKAINU  MTF32HN/A  FTW4011
Model Name Galaxy Watch 46 mm  Galaxy Watch 42 mm  Watch Series 3 GPS -  4th Gen Explorist HR
Dial Shape Circle  Circle  Rectangle  Circle
Strap Color Black  Black  Black  Silver
Strap Material Elastomer  Elastomer  Silicone  Stainless steel
Size Regular  Regular  Regular  Regular
Touchscreen Yes Yes Yes Yes
Water Resistant Yes Yes Yes Yes
Usage Fitness & Outdoor  Fitness & Outdoor  Notifier, Fitness & Outdoor  Fitness & Outdoor
Ideal For Men  Men  Unisex  Men
Dial Color Space Grey 
Water Resistance Depth 50 m  50 m  50 m  30 m
Dial Material Aluminium Case 
Product Details
Closure Strap Buckle  Strap Buckle  Metal Clasp
Sensor 3-axis Accelerometer, Ggyro, Barometer, Heart Rate SensorView More... 3-axis Accelerometer, Gyroscope, Barometer, Heart Rate SeView More... Barometric Altimeter, Heart Rate Sensor, Accelerometer, GView More... Accelerometer, Ambient Light, Gyroscope, Heart Rate
Compatible Device iPhone, Android Smartphones  iPhone, Android Smartphones  iPhone 5, 5c, 5s, SE, 6, 6 Plus, 6s, 6s Plus, 7 , 7 Plus,View More... iPhone, Android Smartphones
Notification Yes Yes Messages, Calendar, Mail  Yes
Notification Type Vibration  Vibration 
Battery Type Lithium Polymer  Lithium Polymer  Lithium Ion 
Battery Life Upto 3 Days (Based on Usage)  Upto 3 Days (Based on Usage)  Upto 18 hours  Upto 24 hrs (Based on Usage)
Rechargeable Battery Yes Yes Yes Yes
Charger Type WPC Based Wireless Charging  WPC Based Wireless Charging 
Other Features 22 mm Interchangeable Strap, 472 mAh Battery, US MilitaryView More... 20 mm Interchangeable Strap, 270 mAh Battery, US MilitaryView More... Interchangeable Watch Band
Charge Time 90 min  2 hrs
Platform and Storage Features
Compatible Operating System Android & iOS  Android & iOS  iOS 10 and Above  Android 4.4 and Above (Excluding Go Edition) and iOS 9.3  View More...
Operating System Tizen Wearable OS  Tizen Wearable OS  watchOS 4  Wear OS by Google
RAM 512 MB
Processor Name Exynos 9110 Dual Core Processor  Exynos 9110 Dual Core Processor  S3  Qualcomm Snapdragon Wear 2100
Internal Memory 4 GB  4 GB  8 GB  4 GB
Number of Cores 2  2  Dual Core 
Processor Speed 1.15 GHz  1.15 GHz 
Connectivity Features
Call Function No  No  No  No
Bluetooth Yes Yes Yes Yes
Wi-Fi Yes Yes Yes No
GPS Yes Yes Yes Yes
Bluetooth Version v4.2  v4.2  v4.2  v4.1
Other Connectivity Features NFC, Wi-Fi (802.11b/g/n)  NFC, Wi-Fi (802.11b/g/n)  Wi-Fi (802.11b/g/n 2.4 GHz) 
Third Party App Support Yes