Samsung Galaxy J7 Prime T-Mobile vs Samsung Galaxy A21s Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

	7.5
Samsung Galaxy J7 Prime T-Mobile	Samsung Galaxy A21s
3300 mAh	5000 mAh
5.5-inch · 1280x720px	6.5-inch · 1600x720px
Single camera	Quad camera
2GB · 16GB	3GB · 32GB
	Released · Jun 19, 2020
	Check prices

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 (159.0 g)	6.77 oz (192.0 g)
Biometrics
	2D Face unlock, Fingerprint (touch)
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Gray	Black, White, Blue, Red

Display

Size
5.5-inch	6.5-inch
Resolution
1280x720px, 267 PPI	1600x720px, 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 (14 nm)	Samsung Exynos 850
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 8x 2.0GHz Cortex-A55
GPU
Mali-T830 MP1	Mali-G76
RAM
2GB (LPDDR3)	3GB (LPDDR4)
Internal storage
16GB	32GB (eMMC 5.1), available to use: 19.5 GB
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	Li - Polymer
Charging
	Fast charging

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Camera

Rear
Single camera	Quad camera
Main camera
8 MP (Autofocus, CMOS image sensor)	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	2 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) (30 fps)
Front
5 MP	13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.1, Yes	5.0
WLAN
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, USB 2.0
Hearing aid compatible
M3/T3
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

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

Cellular

4G (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)
4G (TDD)
	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 5(850), 8(900)
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

Regulatory Approval

FCC approval
Date approved: Mar 23, 2017 FCC ID value: A3LSMJ727T
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

Buyers information

MSRP
	€ 240

Availability

Officially announced
	May 15, 2020

Alternative variants

with 4GB RAM


RAM	4GB
Internal storage	64GB

with 6GB RAM


RAM	6GB
Internal storage	64GB

Links

Full specifications
Samsung Galaxy J7 Prime T-Mobile Specs	Samsung Galaxy A21s Specs
PhoneArena Review
	Samsung Galaxy A21s Review