Samsung Galaxy J7 Star vs Samsung Galaxy A11

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Display

Size

5.5 inches
6.4 inches

Resolution

1280 x 720 pixels, 16:9 ratio,
267 PPI
1560 x 720 pixels, 19.5:9 ratio,
268 PPI

Technology

TFT
IPS LCD

Screen-to-body

71.45 %
80.92 %

Features

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

Hardware

System chip

Samsung Exynos 7 Octa 7870
Qualcomm Snapdragon 450 SDM450

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1800 MHz, Arm Cortex-A53, 64-bit, 14 nm

GPU

Mali-T830 MP1
Adreno 506

RAM

2GB LPDDR3
2GB LPDDR3

Internal storage

32GB
32GB, available to use: 20.3 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 (10)

Battery

Capacity

3300 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Not user replaceable

Charging

 
Fast charging

Max charge speed

 
Wired: 15.0W

Camera

Rear

Single camera
Triple camera

Main camera

13 MP (PDAF)
13 MP (Autofocus)

Specifications

Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.8

Second camera

 
5 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2

Third camera

 
2 MP (Depth information)

Specifications

 
Aperture size: F2.4

Video recording

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

Front

13 MP
8 MP

Design

Dimensions

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.42 x 3.00 x 0.31 inches (163.1 x 76.3 x 8.0 mm)

Weight

6.38 oz (181.0 g)
the average is 6.2 oz (178 g)
6.24 oz (177.0 g)
the average is 6.2 oz (178 g)

Materials

 
Back: Plastic; Frame: Plastic

Biometrics

2D Face unlock
2D Face unlock, Fingerprint (touch)

Features

Touch sensitive control keys
 

Colors

Blue
White, Red, Black, Blue

Cellular

LTE (FDD)

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)

UMTS

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

Data Speed

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

SIM type

Nano SIM
Nano SIM

HD Voice

Yes
Yes

VoLTE

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring

Wireless screen share
Wireless screen share

Connectivity & Features

Bluetooth

4.2
4.2

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
Type-C (reversible), USB 2.0

Features

Charging
Charging

Location

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

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer

Other

NFC, ANT+, UMA (Wi-Fi Calling)
UMA (Wi-Fi Calling)

Regulatory Approval

FCC approval

 
 

Date approved

May 10, 2018
May 07, 2020

FCC ID value: A3LSMJ737T link
FCC ID value: ZCASMA115U link

Measured SAR

 
 

Head

1.36 W/kg
1.08 W/kg

Body

1.01 W/kg
0.76 W/kg

Simultaneous Transmission

1.58 W/kg
1.45 W/kg

Wireless Router

1.11 W/kg
0.76 W/kg

Phablet

3.60 W/kg
 

Buyers information

In The Box

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

Price

 
$ 180
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