Features

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Camera and Display Features
Display Resolution 360 x 360 Pixels  360x360 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
Scratch Resistant 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
Step Count Yes Yes Yes
Heart Rate Monitor Yes Yes Yes
Other Fitness Features Tracks: Distance, Pace, Steps, Sleep Quality, Calories BuView More... S Health - 24 hrs Activity Tracker: Heart Rate Monitor, EView More... Built in Fitness Tracker: Steps Count, Distance and CalorView More...
Date & Time Display Yes Date & Time  Yes Yes
Calendar Yes Yes Yes
Alarm Clock Yes Yes Yes
Language English 
Number of Buttons 2  2  3
Other Watch Functions Customizable Watch Faces, Calendar Alerts, Receive NotifiView More... Messages, Ultra Power Saving Mode, S Health, Running, SetView More... Personalize Dial, Control Music, Calendar Alerts, Social  View More...
Altimeter Yes
Dimensions
Weight 63 g  42 g 
Width 43.6 mm 
Height 39.9 mm 
Thickness 11.4 mm 
Warranty
Warranty Summary 1 Year Warranty  1 Year Manufacturing Warranty India  1 Year Warranty  2 Years Warranty
Warranty Service Type Carry In  Carry in Warranty  Carry In  Carry In
Covered in Warranty Manufacturing Defects  Manufacturing Defects  Manufacturing Defects
Not Covered in Warranty Physical Damage  Physical Damage  Physical Damage
Domestic Warranty 1 Year  2 Year
International Warranty 1 Year 
Audio and Video Features
Microphone Yes
Voice Control Yes
General
Sales Package Smartwatch, Charging Dock, Travel Adapter, Strap, Quick SView More... Main Set, User Manual, Strap, Travel Adapter, Wireless ChView More... Smartwatch, Magnetic Charging Cable (1 m), Band, Quick StView More... Smartwatch, Charger, User Manual
Model Number SM-R800NZSAINU  SM-R7320WDAINU  MTF32HN/A  FTW4011
Model Name Galaxy Watch 46 mm  Gear S2 Classic  Watch Series 3 GPS -  4th Gen Explorist HR
Dial Shape Circle  Circle  Rectangle  Circle
Strap Color Black  Black  Black  Silver
Strap Material Elastomer  Leather  Silicone  Stainless steel
Size Regular  Regular  Regular  Regular
Touchscreen Yes Yes Yes Yes
Water Resistant Yes Yes Yes Yes
Usage Fitness & Outdoor  Notifier  Notifier, Fitness & Outdoor  Fitness & Outdoor
Ideal For Men  Unisex  Unisex  Men
Dial Color Platinum  Space Grey 
Water Resistance Depth 50 m  50 m  30 m
Dial Material stainless steel  Aluminium Case 
Product Details
Closure Strap Buckle  Metal Clasp
Sensor 3-axis Accelerometer, Ggyro, Barometer, Heart Rate SensorView More... Accelerometer,Gyro,Heart rate,Barometer  Barometric Altimeter, Heart Rate Sensor, Accelerometer, GView More... Accelerometer, Ambient Light, Gyroscope, Heart Rate
Compatible Device iPhone, Android Smartphones  Gear S2 pairs with Samsung smartphones running on AndroidView More... iPhone 5, 5c, 5s, SE, 6, 6 Plus, 6s, 6s Plus, 7 , 7 Plus,View More... iPhone, Android Smartphones
Notification Yes Messages, Calendar, Mail  Yes
Notification Type Vibration 
Battery Type Lithium Polymer  Lithium Ion 
Battery Life Upto 3 Days (Based on Usage)  Up to 2-3 days(Battery Low Usage Up to 4 days)  Upto 18 hours  Upto 24 hrs (Based on Usage)
Rechargeable Battery Yes Yes Yes Yes
Charger Type WPC Based Wireless Charging 
Other Features 22 mm Interchangeable Strap, 472 mAh Battery, US MilitaryView More... Wi-Fi Version: 802.11 b/g/n, Bluetooth Profiles: A2DP, AVView More... Interchangeable Watch Band
Charge Time 90 min  2 hrs
Platform and Storage Features
Compatible Operating System 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  watchOS 4  Wear OS by Google
RAM 512 MB  512 MB
Processor Name Exynos 9110 Dual Core Processor  Exynos 3250  S3  Qualcomm Snapdragon Wear 2100
Internal Memory 4 GB  4 GB  8 GB  4 GB
Number of Cores 2  Dual Core  Dual Core 
Processor Speed 1.15 GHz 
Connectivity Features
Call Function No  Yes No  No
Bluetooth Yes Yes Yes Yes
Wi-Fi Yes Yes Yes No
GPS Yes Yes Yes
Bluetooth Version v4.2  v4.1  v4.2  v4.1
Other Connectivity Features NFC, Wi-Fi (802.11b/g/n)  Supports NFC  Wi-Fi (802.11b/g/n 2.4 GHz) 
Messaging Support Yes
Email Support Yes
Third Party App Support Yes