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Samsung Galaxy A51 5G vs Xiaomi Redmi 9T vs Xiaomi Poco M3

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

Comparison mode:

Display

Size:

6.5 inches
6.5 inches
6.5 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 405 PPI
2340 x 1080 pixels, 19.5:9 ratio, 395 PPI
2340 x 1080 pixels, 19.5:9 ratio, 395 PPI

Technology:

Super AMOLED
IPS LCD
IPS LCD

Refresh rate:

60Hz
60Hz

Screen-to-body:

87.37 %
82.14 %
83.52 %

Features:

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

Hardware

System chip:

Samsung Exynos 980
Qualcomm Snapdragon 662 SM6115
Qualcomm Snapdragon 662 SM6115

Processor:

Octa-core, 2200 MHz, ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm
Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm
Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm

GPU:

Mali-G76 MP5
Adreno 610
Adreno 610

RAM:

6GB LPDDR4
4GB
4GB LPDDR4

Internal storage:

128GB, available to use: 105.3 GB
64GB (UFS 2.1)
64GB (UFS 2.1)

Storage expansion:

microSDXC up to 1000 GB
microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11, 10), Samsung One UI
Android (10)
Android (10)

Battery

Capacity:

4500 mAh
6000 mAh
6000 mAh

Type:

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

Charging:

Fast charging
Fast charging, Reverse charging
Fast charging, Reverse charging

Max charge speed:

Wired: 25.0W
Wired: 18.0W
Wired: 18.0W

Camera

Rear:

Quad camera
Quad camera
Triple camera

Main camera:

48 MP (PDAF)
48 MP (PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

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

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.2
Aperture size: F2.4; Pixel size: 1.75 μm

Third camera:

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

Specifications:

Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.4; Pixel size: 1.75 μm

Fourth camera:

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

Specifications:

Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.4; Pixel size: 1.75 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps)
1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps)

Features:

Hyperlapse, EIS
Time-lapse video

Front:

32 MP (HDR)
8 MP
8 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.26 x 2.90 x 0.34 inches (158.9 x 73.6 x 8.7 mm)
6.39 x 3.04 x 0.38 inches (162.3 x 77.3 x 9.6 mm)
6.39 x 3.04 x 0.38 inches (162.3 x 77.3 x 9.6 mm)

Weight:

6.60 oz (187.0 g)
6.98 oz (198.0 g)
6.98 oz (198.0 g)

Materials:

Back: Plastic; Frame: Aluminum
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic

Resistance:

Splash

Biometrics:

2D Face unlock, In-screen fingerprint
2D Face unlock, 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:

Prism cube black
Carbon gray, Twilight blue, Sunrise orange, Ocean green
Yellow, Cool blue, Power black

Cellular

5G:

n41, n71, SA, NSA

LTE (FDD):

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)
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), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
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 Pro Cat 16 (1000/150 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
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

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM
FM

Additional microphone(s):

for Noise cancellation
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), USB 2.0
Type-C (reversible)
Type-C (reversible), USB 2.0

Features:

Charging, OTG
Charging
Charging, OTG

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
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, Hall (for flip covers)
Accelerometer, Compass
Accelerometer, Compass

Other:

NFC, ANT+
Infrared
Infrared

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jul 15, 2020
Jan 19, 2021

FCC ID value:

A3LSMA516U
2AFZZJ19SL

Measured SAR:

Head:

1.18 W/kg
1.09 W/kg

Body:

1.20 W/kg
0.72 W/kg

Simultaneous Transmission:

3.25 W/kg
1.58 W/kg

Wireless Router:

1.37 W/kg
1.10 W/kg

Buyers information

Price:

$ 500
€ 159
$ 149 / € 149

User Manual:

This is the official Samsu​ng Galaxy A51 5G User Guide in English provided from the manufacturer.

In The Box:

A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions
22.5W adapter, USB-C cable, SIM eject tool, Soft case, User guide, Warranty card
22.5W fast charger, USB Type-C cable, SIM eject tool, Soft case, User guide, Warranty card

Availability

Officially announced:

Apr 08, 2020
Jan 08, 2021
Nov 24, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless