Samsung Galaxy A21s vs Xiaomi Redmi Note 10 Specs Comparison

Design

Dimensions
6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm	6.32 x 2.93 x 0.33 inches 160.46 x 74.5 x 8.29 mm
Weight
6.77 oz (192.0 g)	6.31 oz (178.8 g)
Resistance
	Splash; IP53
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	Onyx Gray, Pebble White, Lake Green

Display

Size
6.5-inch	6.4-inch
Resolution
1600x720px, 20:9 ratio, 270 PPI	2400x1080px, 20:9 ratio, 409 PPI
Technology
TFT	AMOLED
Screen-to-body
82.94 %	83.55 %
Peak brightness
	1100 cd/m2 (nit)
Features
Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 850	Qualcomm Snapdragon 678 (11 nm)
Processor
Octa-core 8x 2.0GHz Cortex-A55	Octa-core 2200 MHz Kryo 460
GPU
Mali-G76	Adreno 612
RAM
3GB (LPDDR4)	4GB (LPDDR4)
Internal storage
32GB (eMMC 5.1), available to use: 19.5 GB	64GB (UFS 2.2)
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10), Samsung One UI	Android (11), MIUI 12 UI

Battery

Capacity
5000 mAh	5000 mAh
Type
Li - Polymer
Charging
Fast charging	Qualcomm Quick Charge 4+
Charge speed
	Wired: 33.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (Autofocus) Aperture size: F1.8 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	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
2 MP (Macro) Aperture size: F2.4	2 MP (Macro) Aperture size: F2.4
Fourth camera
2 MP (Depth information) Aperture size: F2.4	2 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	Yes
Front
13 MP, Video capture: 1920x1080 (Full HD)	13 MP

Connectivity & Features

Bluetooth
5.0	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
Type-C, USB 2.0	Type-C
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, SBAS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope	Accelerometer
Other
NFC	Infrared

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
	Noise cancellation

Cellular

4G (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)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Jan 26, 2021 FCC ID value: 2AFZZK7AG
Measured SAR
	Head: 1.09 W/kg Body: 1.09 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.75 W/kg

Buyers information

MSRP
€ 240	$ 199

Availability

Officially announced
May 15, 2020	Mar 04, 2021

Alternative variants

with 4GB RAM

RAM	4GB
Internal storage	64GB

With 128GB storage

Internal storage	128GB

with 6GB RAM

RAM	6GB
Internal storage	64GB

With 6GB RAM and 128GB storage

RAM	6GB
Internal storage	128GB

Links

Full specifications
Samsung Galaxy A21s Specs	Xiaomi Redmi Note 10 Specs
PhoneArena Review
Samsung Galaxy A21s Review