Samsung Galaxy S7 vs Samsung Galaxy J3 (2018)

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Display

Display size

5.1 inches
5.0 inches

Resolution

1440 x 2560 pixels
720 x 1280 pixels

Pixel density

576 ppi
294 ppi

Technology

Super AMOLED
TFT

Screen-to-body ratio

72.30 %
68.87 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
Proximity sensor

Camera

Rear

Single camera
Single camera

Main camera

12 megapixels
8 megapixels

Hardware Features

Optical image stabilization, Phase detection autofocus
Autofocus, Back-illuminated sensor (BSI)

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.5"; Pixel size: 1.4 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Flash

LED
LED

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)

Features

High Dynamic Range mode (HDR), Picture-taking during video recording, Video calling, Video sharing
Video calling, Video sharing

Front

5 megapixels
5 megapixels

Features

High Dynamic Range mode (HDR)
 

Design

Dimensions

5.61 x 2.74 x 0.31 inches (142.4 x 69.6 x 7.9 mm)
5.62 x 2.76 x 0.35 inches (142.7 x 70.1 x 8.9 mm)

Weight

5.36 oz (152 g)
the average is 6 oz (172 g)
5.36 oz (152 g)
the average is 6 oz (172 g)

Materials

Back: Glass (Corning Gorilla Glass 4); Frame: Aluminum
Back: Plastic

Resistance

Water, Dust
 

IP certified

IP 68
 

Biometrics

Fingerprint (touch)
 

Features

Touch sensitive control keys
Touch sensitive control keys

Colors

Black, Gold, Silver, Pink, White
Silver

Hardware & Performance

System chip

Qualcomm Snapdragon 820 MSM8996
Samsung Exynos 7 Quad 7570

Processor

Quad-core, 2200 MHz, Kryo, 64-bit, 14 nm
Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 530
Mali-T720 MP1

RAM

4 GB
2 GB

Internal storage

32 GB
16 GB

Maximum User Storage

24.5 GB
 

Storage expansion

up to 200 GB
up to 400 GB

OS

Android (8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow), Samsung TouchWiz UI
Android (8.0 Oreo)

Battery

Capacity

3000 mAh
2600 mAh

Charging

Qualcomm Quick Charge 2.0
 

Talk time

 
18.70 hours
the average is 23 h (1379 min)

Stand-by time

 
18.0 days (432 hours)
the average is 21 days (498 h)

Talk time (3G)

28.00 hours
the average is 23 h (1387 min)
 

Internet use

 
 

3G

11 hours
 

LTE

13 hours
 

Wi-Fi

14 hours
 

Music playback

55.00 hours
63.00 hours

Video playback

16.00 hours
15.00 hours

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 29, 30
Bands 2, 3, 4, 5, 7, 12, 14

LTE (TDD)

Bands 38, 39, 40, 41
 

UMTS

850, 1700/2100, 1900, 2100 MHz
850, 1900, 2100 MHz

GSM

850, 900, 1800, 1900 MHz
850, 900, 1800, 1900 MHz

Data

LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, HSUPA, UMTS

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

VoLTE

Yes
 

Connectivity

Bluetooth

4.2
4.2

Wi-Fi

802.11 a, b, g, n, ac, dual-band
802.11 b, g, n

USB

USB 2.0
USB 2.0

Connector

microUSB
microUSB

Features

Mass storage device, USB OTG, USB charging
Mass storage device

Mobile Payment

Samsung Pay
 

Location

GPS, A-GPS, Glonass
GPS, A-GPS, Glonass

Other

NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync

Phone features

Sensors

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass

Notifications

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Hearing aid compatibility

M4, T3
M3, T3

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording, TTY/TDD

Multimedia

Screen mirroring

DLNA, Wireless screen share
Wireless screen share

Radio

 
FM

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Headphones connector

3.5mm
3.5mm

Additional microphone(s)

for Noise cancellation
 

Regulatory Approval

FCC approval

 
 

Date approved

Feb 12, 2016
Apr 04, 2018

FCC ID value: A3LSMG930F link
FCC ID value: A3LSMJ337A link

FCC measured SAR

 
 

Head

0.43 W/kg
1.22 W/kg

Body

1.06 W/kg
1.02 W/kg

Simultaneous Transmission

1.59 W/kg
1.56 W/kg

Wireless Router

1.03 W/kg
1.18 W/kg

Shopping information

In The Box

 
Charger and microUSB cable

MSRP price

$ 699
 
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