Samsung Galaxy J7 Prime T-Mobile vs Samsung Galaxy A21s

Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone comparison tool or pick a popular device from the ones below.

$90 VIEW ON AMAZON

Display

Size

5.5 inches
6.5 inches

Resolution

1280 x 720 pixels,
267 PPI
1600 x 720 pixels, 20:9 ratio,
270 PPI

Technology

TFT
TFT

Screen-to-body

72.05 %
82.94 %

Features

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

Hardware

System chip

Samsung Exynos 7 Octa 7870
Samsung Exynos 850

Processor

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit

GPU

Mali-T830 MP1
Mali-G76

RAM

2GB LPDDR3
3GB LPDDR4

Internal storage

16GB
32GB (eMMC 5.1)

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

OS

Android (7.0 Nougat)
Android (10), Samsung One UI

Battery

Capacity

3300 mAh
5000 mAh

Type

Li - Ion, User replaceable
Li - Polymer, Not user replaceable

Charging

 
Fast charging

Camera

Rear

Single camera
Quad camera

Main camera

8 MP (Autofocus, CMOS image sensor)
48 MP (PDAF)

Specifications

 
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

 
8 MP (Ultra-wide)

Specifications

 
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

 
2 MP (Macro)

Specifications

 
Aperture size: F2.4

Fourth camera

 
2 MP (Depth information)

Specifications

 
Aperture size: F2.4

Video recording

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

Features

Video calling, Video sharing
 

Front

5 MP
13 MP

Design

Dimensions

5.96 x 3.01 x 0.34 inches (151.5 x 76.4 x 8.6 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight

5.6 oz
6.77 oz

159.0 g
192.0 g

Biometrics

 
2D Face unlock, Fingerprint (touch)

Colors

Gray
Black, White, Blue, Red

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD)

 
Bands 38(2600), 40(2300), 41(2600+)

UMTS

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

Data Speed

LTE-A Cat 6 (300/50 Mbit/s), HSPA
LTE-A, 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
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

Album art cover, Background playback
 

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
 

Connectivity & Features

Bluetooth

4.1, EDR
5.0

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

Mass storage device, Charging
Charging

Location

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

Sensors

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

Other

ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync
NFC
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
FCC OKs Cingular's purchase of AT&T Wireless