Samsung Galaxy S4 vs Samsung Galaxy J7 (2017) AT&T

$179.97 VIEW ON eBay

Display

Display size

5.0 inches
5.5 inches

Resolution

1080 x 1920 pixels
720 x 1280 pixels

Pixel density

441 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body ratio

71.91 %
72.05 %

Features

Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Single camera

Main camera

13 megapixels
8 megapixels

Hardware Features

Autofocus, CMOS image sensor, Back-illuminated sensor (BSI)
Autofocus, CMOS image sensor

Specifications

Aperture size: F2.2; Focal length: 31 mm; Sensor size: 1/3.06"; Pixel size: 1.14 μm
 

Flash

LED
LED

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (60 fps)

Features

Digital image stabilization
Video calling, Video sharing

Front

2 megapixels
5 megapixels

Design

Dimensions

5.38 x 2.75 x 0.31 inches (136.6 x 69.8 x 7.9 mm)
5.96 x 3.01 x 0.34 inches (151.5 x 76.4 x 8.6 mm)

Weight

4.59 oz (130 g)
the average is 6.1 oz (174 g)
5.6 oz (159 g)
the average is 6.1 oz (174 g)

Materials

Back: Plastic
 

Features

Notification light
 

Colors

Black, Blue, Red, White
Black

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Album art cover, Background playback

Screen mirroring

DLNA, Wireless screen share, MHL
Wireless screen share

Radio

 
FM

Hardware & Performance

System chip

Qualcomm Snapdragon 600 8974
Samsung Exynos 7 Octa 7870

Processor

Quad-core, 1900 MHz, Krait 300
Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 320
Mali-T830 MP1

RAM

2 GB
2 GB

Internal storage

64 GB
16 GB

Storage expansion

microSDXC up to 64 GB
microSDXC up to 256 GB

OS

Android (5.0 Lollipop, 4.4.2, 4.3, 4.2.2)
Android (7.0 Nougat)

Connectivity & Features

Bluetooth

4.0
4.1, EDR

Wi-Fi

802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Hotspot, Wi-Fi Direct

USB

microUSB, USB 2.0
microUSB, USB 2.0

Features

Mass storage device, USB OTG, USB charging, Video out
Mass storage device, USB charging

HDMI

Yes
 

Location

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

Sensors

Accelerometer, Gyroscope, Compass, Thermometer, Gesture, Humidity, Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other

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

Cellular

LTE (FDD)

Bands 1, 3, 5, 7, 8, 18
Bands 2, 3, 4, 5, 7, 12

UMTS

850, 900, 1900, 2100 MHz
850, 1700/2100, 1900 MHz

Data

LTE Cat 3 (100/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s)

SIM type

Micro SIM
Nano SIM

HD Voice

 
Yes

VoLTE

Yes
Yes

Battery

Capacity

2600 mAh
3300 mAh

Type

Li - Ion, User replaceable
Li - Ion, User replaceable

Charging

 
Yes

Talk time

 
40.00 hours
the average is 21 h (1250 min)

Stand-by time

 
16.0 days (384 hours)
the average is 21 days (493 h)

Talk time (3G)

17.00 hours
the average is 23 h (1378 min)
 

Stand-by time (3G)

15.4 days (370 hours)
the average is 26 days (614 h)
 

Stand-by time (4G)

13.3 days (320 hours)
the average is 24 days (583 h)
 

Internet use

 
3G: 14 hours; LTE: 16 hours; Wi-Fi: 18 hours

Music playback

62.00 hours
156.00 hours

Video playback

11.00 hours
17.00 hours

Phone features

Notifications

Haptic feedback, (MP3)
Haptic feedback

Other features

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

Regulatory Approval

FCC approval

 
 

Date approved

Mar 14, 2013
Mar 17, 2017

FCC ID value: A3LGTI9505 link
FCC ID value: A3LSMJ727A link

FCC measured SAR

 
 

Head

0.50 W/kg
0.62 W/kg

Body

0.65 W/kg
0.57 W/kg

Simultaneous Transmission

1.17 W/kg
1.25 W/kg

Wireless Router

0.67 W/kg
0.75 W/kg

Phablet

 
3.97 W/kg

Shopping information

MSRP price

 
$ 240
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