Samsung Galaxy A20 vs Samsung Galaxy J7 Star

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Display

Display size

6.4 inches
5.5 inches

Resolution

720 x 1560 pixels
720 x 1280 pixels

Pixel density

268 ppi
267 ppi

Technology

Super AMOLED
TFT

Screen-to-body

84.95 %
71.45 %

Features

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

Hardware & Performance

System chip

Samsung Exynos 7884
Samsung Exynos 7 Octa 7870

Processor

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

GPU

Mali-G71 MP2
Mali-T830 MP1

RAM

3 GB
2 GB

Internal storage

32 GB
32 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 400 GB

OS

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

Battery

Capacity

4000 mAh
3300 mAh

Type

Not user replaceable
Li - Polymer, Not user replaceable

Charging

Samsung Adaptive Fast Charging
 

Camera

Rear

Dual camera
Single camera

Main camera

13 megapixels
13 megapixels

Features

Autofocus
Phase detection autofocus

Second camera

5 megapixels
 

Features

Ultra-wide
 

Video recording

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

Front

8 megapixels
13 megapixels

Design

Dimensions

6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)
6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)

Weight

5.96 oz (169 g)
the average is 6.1 oz (174 g)
6.38 oz (181 g)
the average is 6.1 oz (174 g)

Materials

Back: Plastic
 

Biometrics

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

Features

 
Touch sensitive control keys

Colors

Black,Deep blue, Red
Blue

Cellular

LTE (FDD)

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

UMTS

850, 900, 1900, 2100 MHz
850, 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 Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

SIM type

Nano SIM
Nano SIM

HD Voice

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Connectivity & Features

Bluetooth

5.0
4.2

Wi-Fi

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

USB

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

Features

Charging
Charging

Sensors

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

Other

 
NFC, ANT+, UMA (Wi-Fi Calling)

Shopping information

In The Box

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

MSRP price

$ 250
 
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