Samsung Galaxy J7 Prime T-Mobile vs Samsung Galaxy A20

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Display

Display size

5.5 inches
6.4 inches

Resolution

720 x 1280 pixels
720 x 1560 pixels

Pixel density

267 ppi
268 ppi

Technology

TFT
Super AMOLED

Screen-to-body ratio

72.05 %
84.95 %

Features

Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor
Proximity sensor

Camera

Rear

Single camera
Dual camera

Main camera

8 megapixels
13 megapixels

Hardware Features

Autofocus, CMOS image sensor
Autofocus

Specifications

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

Second camera

 
5 megapixels

Hardware Features

 
Ultra-wide

Specifications

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

Flash

LED
LED

Video recording

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

Features

Video calling, Video sharing
Video calling, Video sharing

Front

5 megapixels
8 megapixels

Design

Dimensions

5.96 x 3.01 x 0.34 inches (151.5 x 76.4 x 8.6 mm)
6.24 x 2.94 x 0.31 inches (158.4 x 74.7 x 7.8 mm)

Weight

5.6 oz (159 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

Biometrics

 
2D Face unlock, Fingerprint (touch)

Colors

Gray
Black, Blue, Red

Multimedia

Headphones

3.5 mm jack
3.5 mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
Album art cover, Background playback

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 7884

Processor

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

GPU

Mali-T830 MP1
Mali-G71 MP2

RAM

2 GB
3 GB

Internal storage

16 GB
32 GB

Available to use

 
21.7 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

OS

Android (7.0 Nougat)
Android (9.0 Pie), Samsung One UI

Connectivity & Features

Bluetooth

4.1, EDR
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

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

Sensors

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

Other

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

Cellular

LTE (FDD)

Bands 1, 2, 3, 4, 5, 7, 12
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-A Cat 6 (300/50 Mbit/s), HSPA
LTE Cat 4 (150/50 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 - Ion, User replaceable
Not user replaceable

Charging

Yes
Samsung Adaptive Fast Charging

Talk time

40.00 hours
the average is 21 h (1250 min)
 

Talk time (3G)

 
26.00 hours
the average is 23 h (1378 min)

Internet use

3G: 14 hours; LTE: 16 hours; Wi-Fi: 18 hours
3G: 12 hours; LTE: 13 hours; Wi-Fi: 13 hours

Music playback

156.00 hours
82.00 hours

Video playback

17.00 hours
21.00 hours

Phone features

Notifications

Haptic feedback
Haptic feedback, Music ringtones, Vibration

Other features

Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval

 
 

Date approved

Mar 23, 2017
 

FCC ID value: A3LSMJ727T link
 

FCC measured SAR

 
 

Head

0.62 W/kg
 

Body

0.34 W/kg
 

Simultaneous Transmission

1.59 W/kg
 

Wireless Router

0.92 W/kg
 

Phablet

3.87 W/kg
 

Shopping information

MSRP price

 
$ 250
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