Samsung Galaxy J7 Star vs Samsung Galaxy A50

$234.10 VIEW ON AMAZON

Display

Display size

5.5 inches
6.4 inches

Resolution

720 x 1280 pixels
1080 x 2340 pixels

Pixel density

267 ppi
403 ppi

Technology

TFT
Super AMOLED

Screen-to-body ratio

71.45 %
85.24 %

Features

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Camera

Rear

Single camera
Triple camera

Main camera

13 megapixels
25 megapixels

Hardware Features

Phase detection autofocus
Phase detection autofocus

Specifications

Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm

Second camera

 
8 megapixels

Hardware Features

 
Ultra-wide

Specifications

 
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

 
5 megapixels

Hardware Features

 
Depth information

Specifications

 
Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (240 fps)

Features

 
Hyperlapse, Digital image stabilization

Front

13 megapixels
25 megapixels

Design

Dimensions

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.24 x 2.93 x 0.30 inches (158.5 x 74.7 x 7.7 mm)

Weight

6.38 oz (181 g)
the average is 6.1 oz (174 g)
5.86 oz (166 g)
the average is 6.1 oz (174 g)

Materials

 
Back: Plastic

Biometrics

2D Face unlock
2D Face unlock, In-screen fingerprint

Features

Touch sensitive control keys
 

Colors

Blue
Black, Pink, Blue, White

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

 
Dolby Atmos

Screen mirroring

Wireless screen share
Wireless screen share

Radio

 
FM

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7870
Samsung Exynos 7 Octa 9610

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU

Mali-T830 MP1
Mali-G72 MP3

RAM

2 GB
4 GB

Internal storage

32 GB
128 GB

Available to use

 
107 GB

Storage expansion

microSDXC up to 400 GB
microSDXC up to 512 GB

OS

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (9.0 Pie), Samsung One UI

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

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

USB

microUSB, USB 2.0
USB Type-C (reversible), USB 2.0

Location

GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning

Sensors

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

Mobile Payment

 
Samsung Pay

Other

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

Cellular

LTE (FDD)

Bands 2, 4, 5, 12, 66, 71
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

 
Bands 38, 40, 41

UMTS

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

Data

LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

 
Yes

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
 

VoLTE

 
Yes

Battery

Capacity

3300 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Li - Ion, Not user replaceable

Charging

 
Samsung Adaptive Fast Charging

Talk time

27.65 hours
the average is 20 h (1174 min)
 

Stand-by time

27.9 days (670 hours)
the average is 20 days (491 h)
 

Talk time (3G)

 
23.00 hours
the average is 23 h (1387 min)

Internet use

 
3G: 12 hours; LTE: 14 hours; Wi-Fi: 15 hours

Music playback

76.70 hours
92.00 hours

Video playback

19.00 hours
19.00 hours

Regulatory Approval

FCC approval

 
 

Date approved

May 10, 2018
Feb 11, 2019

FCC ID value: A3LSMJ737T link
FCC ID value: A3LSMA505F link

Measured SAR

 
 

Head

1.36 W/kg
0.34 W/kg

Body

1.01 W/kg
0.45 W/kg

Simultaneous Transmission

1.58 W/kg
1.44 W/kg

Wireless Router

1.11 W/kg
1.20 W/kg

Phablet

3.60 W/kg
1.07 W/kg

Shopping information

In The Box

USB cable, Wall charging adapter, Start guide, Terms & Conditions
 

MSRP price

 
$ 350
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