Samsung Galaxy A8 Star vs Samsung Galaxy A20

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Display

Display size

6.3 inches
6.4 inches

Resolution

1080 x 2220 pixels
720 x 1560 pixels

Pixel density

392 ppi
268 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

80.77 %
84.95 %

Features

Ambient light sensor, Proximity sensor
Proximity sensor

Camera

Rear

Dual camera
Dual camera

Main camera

16 megapixels
13 megapixels

Hardware Features

Phase detection autofocus
Autofocus

Specifications

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm

Second camera

24 megapixels
5 megapixels

Hardware Features

Phase detection autofocus, CMOS image sensor
Ultra-wide

Specifications

Aperture size: F1.7; Focal Length: 26 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Flash

LED
LED

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features

Hyperlapse, Digital image stabilization, Video calling, Video sharing
Video calling, Video sharing

Front

24 megapixels
8 megapixels

Features

Wide Angle
 

Design

Dimensions

6.39 x 3.03 x 0.30 inches (162.4 x 77 x 7.6 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

6.74 oz (191 g)
the average is 6.1 oz (173 g)
5.96 oz (169 g)
the average is 6.1 oz (173 g)

Materials

Back: Glass; Frame: Metal
Back: Plastic

Biometrics

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

Features

Notification light
 

Colors

Black, White
Black, Blue, Red

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback, Dolby Atmos
Album art cover, Background playback

Screen mirroring

Wireless screen share, MirrorLink
Wireless screen share

Radio

FM
 

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Hardware & Performance

System chip

Qualcomm Snapdragon 660 SDM660
Samsung Exynos 7884

Processor

Octa-core, 2200 MHz, Kryo 260, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 512
Mali-G71 MP2

RAM

6 GB
3 GB

Internal storage

64 GB
32 GB

Available to use

49.6 GB
21.7 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

5.0
5.0

Wi-Fi

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

USB

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

Features

Mass storage device
Mass storage device

Location

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

Sensors

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

Mobile Payment

Samsung Pay
 

Other

NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
VoIP, Tethering, Computer sync, OTA sync

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28
Bands 1, 3, 5, 7, 8, 20

LTE (TDD)

Bands 38, 40, 41
Bands 38, 40, 41

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz

Data

LTE-A Cat 9 (450/50 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

Dual SIM

Yes
Yes

SIM type

Nano SIM
Nano SIM

Battery

Capacity

3700 mAh
4000 mAh

Type

Li - Ion, Not user replaceable
Not user replaceable

Charging

Yes
Samsung Adaptive Fast Charging

Talk time (3G)

23.00 hours
the average is 23 h (1373 min)
26.00 hours
the average is 23 h (1373 min)

Internet use

3G: 13 hours; LTE: 15 hours; Wi-Fi: 15 hours
3G: 12 hours; LTE: 13 hours; Wi-Fi: 13 hours

Music playback

59.00 hours
82.00 hours

Video playback

19.00 hours
21.00 hours

Phone features

Notifications

Haptic feedback, Music ringtones, Vibration
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC measured SAR

 
 

Head

0.43 W/kg
 

Body

1.73 W/kg
 

Shopping information

In The Box

Charger, USB Type-C cable, Headphones, SIM Removal Tool, Documentation
 

MSRP price

 
$ 250
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