Samsung Galaxy J7 Prime 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 A21s
Samsung Galaxy J7 Prime Samsung Galaxy A21s
Released · Sep 01, 2016
Released · Jun 19, 2020
5.5-inch
6.5-inch
Single camera
Quad camera
3GB · 16GB
3GB · 32GB
3300 mAh
5000 mAh

Design

Dimensions
5.97 x 2.95 x 0.31 inches
151.7 x 75 x 8 mm
6.44 x 2.96 x 0.35 inches
163.7 x 75.3 x 8.9 mm
Weight
5.89 oz (167.0 g) 6.77 oz (192.0 g)
Materials
Back: Metal
Biometrics
Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Rose gold Black, White, Blue, Red

Display

Size
5.5-inch 6.5-inch
Resolution
1920x1080px, 401 PPI 1600x720px, 20:9 ratio, 270 PPI
Technology
IPS LCD TFT
Screen-to-body
73.39 % 82.94 %
Features
Scratch-resistant glass (Corning Gorilla Glass), 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 MP2 Mali-G76
RAM
3GB (LPDDR3) 3GB (LPDDR4)
Internal storage
16GB, available to use: 10.3 GB 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, 6.0 Marshmallow), Samsung Experience UI Android (10), Samsung One UI

Battery

Capacity
3300 mAh 5000 mAh
Type
Li - Ion Li - Polymer
Charging
Fast charging
PhoneArena Battery Tests
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
13 MP (Autofocus, CMOS image sensor)
Aperture size: F1.9
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
8 MP 13 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.1 5.0
WLAN
802.11 b,g,n
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
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer Accelerometer, Gyroscope
Other
ANT+, 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

Cellular

4G (FDD)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD) 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) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100) Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Aug 18, 2016
FCC ID value: A3LSMG610F
Measured SAR
Head: 0.43 W/kg
Body: 1.03 W/kg
Simultaneous Transmission: 1.09 W/kg
Wireless Router: 1.03 W/kg

Buyers information

MSRP
€ 240

Availability

Officially announced
Sep 01, 2016 May 15, 2020

Alternative variants

Dual SIM Yes
with 4GB RAM
RAM 4GB
Internal storage 64GB
with 6GB RAM
RAM 6GB
Internal storage 64GB
FCC OKs Cingular\'s purchase of AT&T Wireless