Xiaomi Redmi Note 8 Pro vs Samsung Galaxy M21

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Display

Size

6.5 inches
6.4 inches

Resolution

2340 x 1080 pixels, 19.5:9 ratio,
395 PPI
2340 x 1080 pixels, 19.5:9 ratio,
403 PPI

Technology

IPS LCD
Super AMOLED

Screen-to-body

84.88 %
84.11 %

Peak brightness

500 cd/m2 (nit)
420 cd/m2 (nit)

Features

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Proximity sensor

Hardware

System chip

MediaTek Helio G90T
Exynos 9611

Processor

Octa-core, 2000 MHz, ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 12 nm
Octa-core, 2300 MHz, Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm

GPU

Mali G76 MC4
Mali-G72 MP3

RAM

6GB LPDDR4
4GB LPDDR4

Internal storage

64GB
64GB, available to use: 49 GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 512 GB

OS

Android
Android (10), Samsung One UI

Battery

Capacity

4500 mAh
6000 mAh

Type

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

Charging

Fast charging
Fast charging

Camera

Rear

Triple camera
Triple camera

Main camera

 
48 MP (PDAF)

PDAF, CMOS image sensor
 

Specifications

Aperture size: F1.9; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

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

Specifications

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

2 MP (Macro)
5 MP (Depth information)

Specifications

Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.75 μm
Aperture size: F2.2

Fourth camera

2 MP (Depth information)
 

Specifications

Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.75 μm
 

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD), 1280x720 (HD) (240 fps)

Features

EIS
EIS

Front

20 MP (HDR)
20 MP (HDR)

Design

Dimensions

6.35 x 3.01 x 0.35 inches (161.35 x 76.4 x 8.79 mm)
6.26 x 2.96 x 0.35 inches (159.0 x 75.1 x 8.9 mm)

Weight

7.05 oz (199.8 g)
the average is 6.2 oz (178 g)
6.63 oz (188.0 g)
the average is 6.2 oz (178 g)

Materials

Back: Glass (Corning Gorilla Glass 5)
Back: Plastic; Frame: Plastic

Resistance

Splash
 

Biometrics

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

Colors

Mineral grey, Pearl white, Forest green
Midnight blue, Raven black

Cellular

LTE (FDD)

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

LTE (TDD)

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

UMTS

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

Data Speed

LTE-A Cat 12/13 (600/150 Mbit/s), 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

VoLTE

Yes
 

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

 
Dolby Atmos

Screen mirroring

Wireless screen share
Wireless screen share

Radio

FM
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 a, b, g, n, ac, dual-band; 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, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope

Other

NFC, Infrared
 

Buyers information

In The Box

Power adapter, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card
 
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