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Xiaomi Redmi Note 10 5G vs Samsung Galaxy A21 vs Xiaomi Redmi Note 10S

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.5 inches
6.5 inches
6.4 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 405 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
2400 x 1080 pixels, 20:9 ratio, 409 PPI

Technology:

AMOLED
IPS LCD
AMOLED

Refresh rate:

90Hz
60Hz

Screen-to-body:

83.57 %
79.20 %
83.55 %

Peak brightness:

1100 cd/m2 (nit)

Features:

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

Hardware

System chip:

MediaTek Dimensity 700 (7 nm)
Mediatek Helio P35 MT6765 (12 nm)
MediaTek Helio G95 (12 nm)

Processor:

Octa-core, 2200 MHz, Arm Cortex-A76 and Arm Cortex-A55, 64-bit
Octa-core, 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53, 64-bit
Octa-core, 2050 MHz, Arm Cortex-A55 and Arm Cortex-A76, 64-bit

GPU:

Arm Mali-G57 MC2
PowerVR GE8320
Arm Mali-G76 MC4

RAM:

4GB LPDDR4
3GB LPDDR4
6GB LPDDR4

Internal storage:

64GB (UFS 2.2)
32GB (eMMC 5.1), available to use: 19.8 GB
64GB (UFS 2.2), not expandable

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11), MIUI 12 UI
Android (10), Samsung One UI
Android (11), MIUI 12.5 UI

Battery

Capacity:

5000 mAh
4000 mAh
5000 mAh

Type:

Not user replaceable
Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Fast charging
Fast charging
Fast charging

Max charge speed:

Wired: 18.0W
Wired: 15.0W
Wired: 33.0W

Camera

Rear:

Triple camera
Quad camera
Quad camera

Main camera:

48 MP (Autofocus)
16 MP (PDAF)
64 MP (Autofocus)

Specifications:

Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Aperture size: F1.8; Sensor size: 1/1.97”; Pixel size: 0.7 μm

Second camera:

2 MP (Macro)
8 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

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

Third camera:

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

Specifications:

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

Fourth camera:

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

Specifications:

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

Video recording:

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

Front:

8 MP
13 MP
13 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.37 x 2.97 x 0.35 inches (161.81 x 75.34 x 8.92 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)
6.32 x 2.93 x 0.33 inches (160.46 x 74.5 x 8.29 mm)

Weight:

6.70 oz (190.0 g)
6.81 oz (193.0 g)
6.31 oz (178.8 g)

Materials:

Back: Plastic; Frame: Plastic

Resistance:

Splash
Splash; IP53

Biometrics:

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

Keys:

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

Colors:

Chrome Silver, Graphite Gray, Nighttime Blue, Aurora Green
Black
Onyx Gray, Pebble White, Lake Green

Cellular

5G:

n1, n3, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 28(700 APT), 32(1500 L-band), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
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), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A Cat 6 (300/50 Mbit/s), 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
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker, Multiple speakers

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
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
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging
Charging
Charging

Location:

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

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass
Accelerometer

Other:

NFC, Infrared
NFC
NFC, Infrared

Hearing aid compatible:

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Apr 17, 2020
Mar 28, 2021

FCC ID value:

ZCASMA215U
2AFZZK7BG

Measured SAR:

Head:

0.42 W/kg
1.07 W/kg

Body:

1.27 W/kg
0.81 W/kg

Simultaneous Transmission:

1.27 W/kg
1.58 W/kg

Wireless Router:

1.27 W/kg
1.00 W/kg

Buyers information

Price:

$ 199
$ 250
$ 229

In The Box:

This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Mar 04, 2021
Apr 08, 2020
Mar 04, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless