Samsung Galaxy J8 vs Samsung Galaxy A20

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Display

Display size

6.0 inches
6.4 inches

Resolution

720 x 1480 pixels
720 x 1560 pixels

Pixel density

274 ppi
268 ppi

Technology

Super AMOLED
Super AMOLED

Screen-to-body ratio

75.79 %
84.95 %

Features

Proximity sensor
Proximity sensor

Camera

Rear

Dual camera
Dual camera

Main camera

16 megapixels
13 megapixels

Hardware Features

Phase detection autofocus, CCD image sensor
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

5 megapixels
5 megapixels

Hardware Features

Depth information
Ultra-wide

Specifications

Aperture size: F1.9; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording

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

Features

Video calling, Video sharing
 

Front

16 megapixels
8 megapixels

Features

Flash, High Dynamic Range mode (HDR)
 

Design

Dimensions

6.27 x 2.98 x 0.32 inches (159.2 x 75.7 x 8.2 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

6.24 oz (177 g)
the average is 6.1 oz (174 g)
5.96 oz (169 g)
the average is 6.1 oz (174 g)

Materials

Back: Plastic
Back: Plastic

Biometrics

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

Colors

Black, Gold, Pink, Blue
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
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Additional microphone(s)

 
for Noise cancellation

Hardware & Performance

System chip

Qualcomm Snapdragon 450 SDM450
Samsung Exynos 7884

Processor

Octa-core, 1800 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm

GPU

Adreno 506
Mali-G71 MP2

RAM

4 GB
3 GB

Internal storage

64 GB
32 GB

Available to use

51 GB
21.7 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

OS

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

Connectivity & Features

Bluetooth

4.2
5.0

Wi-Fi

802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB

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

Features

Mass storage device, USB charging
Mass storage device

Location

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

Sensors

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

Other

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

Cellular

LTE (FDD)

Bands 1, 3, 5, 7, 8, 20
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 6 (300/50 Mbit/s), HSPA, HSUPA
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

3500 mAh
4000 mAh

Type

Not user replaceable
Not user replaceable

Charging

 
Samsung Adaptive Fast Charging

Talk time (3G)

23.00 hours
the average is 23 h (1387 min)
26.00 hours
the average is 23 h (1387 min)

Internet use

3G: 12 hours; LTE: 13 hours; Wi-Fi: 14 hours
3G: 12 hours; LTE: 13 hours; Wi-Fi: 13 hours

Music playback

112.00 hours
82.00 hours

Video playback

20.00 hours
21.00 hours

Phone features

Notifications

Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
 

Other features

Voice dialing, Voice commands, Voice recording
 

Shopping information

In The Box

Charger, microUSB cable, Documentation, Quick Start Guide, Headphones and SIM removal tool.
 

MSRP price

 
$ 250
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