Samsung Galaxy A21s vs Xiaomi Redmi 9

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View prices
from $119

Display

Size

6.5 inches
6.5 inches

Resolution

1600 x 720 pixels, 20:9 ratio,
270 PPI
2340 x 1080 pixels, 19.5:9 ratio,
395 PPI

Technology

TFT
IPS LCD

Screen-to-body

82.94 %
83.27 %

Features

Proximity sensor
Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip

Samsung Exynos 850
MediaTek Helio G80

Processor

Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit
Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm

GPU

Mali-G76
Mali G52 MC2

RAM

3GB LPDDR4
3GB LPDDR4

Internal storage

32GB (eMMC 5.1), available to use: 19.5 GB
32GB (eMMC 5.1)

Storage expansion

microSDXC up to 512 GB
microSDXC

Device type

Smartphone
Smartphone

OS

Android (10), Samsung One UI
Android

Battery

Capacity

5000 mAh
5020 mAh

Type

Li - Polymer, Not user replaceable
Not user replaceable

Battery life test results

Charging

Fast charging
Qualcomm Quick Charge 3.0

Max charge speed

 
Wired: 18.0W

Camera

Rear

Quad camera
Quad camera

Main camera

48 MP (PDAF)
13 MP (PDAF)

Specifications

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

Second camera

8 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications

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

Third camera

2 MP (Macro)
5 MP (Macro)

Specifications

Aperture size: F2.4
Aperture size: F2.4

Fourth camera

2 MP (Depth information)
2 MP (Depth information)

Specifications

Aperture size: F2.4
 

Video recording

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

Front

13 MP
8 MP (HDR)

Design

Dimensions

6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)
6.43 x 3.03 x 0.36 inches (163.32 x 77.01 x 9.1 mm)

Weight

6.77 oz (192.0 g)
the average is 6.3 oz (179 g)
6.98 oz (198.0 g)
the average is 6.3 oz (179 g)

Biometrics

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

Keys

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors

Black, White, Blue, Red
Carbon gray, Sunset purple, Ocean green

Cellular

LTE (FDD)

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

LTE (TDD)

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS

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

Data Speed

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
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

Screen mirroring

Wireless screen share
Wireless screen share

Radio

 
FM

Additional microphone(s)

 
for Noise cancellation

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB

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

Features

Charging
Charging

Location

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

Sensors

Accelerometer, Gyroscope
Accelerometer, Gyroscope, Compass

Other

NFC
NFC, Infrared

Buyers information

Price

€ 240
 

User Manual

Download the Samsu​ng Galaxy A21s Manual as a PDF file.
 

In The Box

 
10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced

May 15, 2020
 
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.
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