Xiaomi Redmi 9T vs Samsung Galaxy A52 vs Samsung Galaxy A51

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:

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

Technology:

IPS LCD
Super AMOLED
Super AMOLED

Screen-to-body:

82.14 %
84.79 %
87.37 %

Features:

Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
120Hz refresh rate, Ambient light sensor, Proximity sensor
60Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 662 SM6115
Qualcomm Snapdragon 750G SM7225
Samsung Exynos 9611

Processor:

Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm
Octa-core, 2200 MHz, Kryo 570, 64-bit, 8 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU:

Adreno 610
Adreno 619
Mali-G72 MP3

RAM:

4GB
6GB LPDDR4
4GB LPDDR4

Internal storage:

64GB (UFS 2.1)
128GB
128GB, available to use: 105.9 GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 1024 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

6000 mAh
4500 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

Fast charging, Reverse charging
Qualcomm Quick Charge 2.0
Fast charging

Max charge speed:

Wired: 18.0W
Wired: 25.0W

Camera

Rear:

Quad camera
Quad camera
Quad camera

Main camera:

48 MP (PDAF)
64 MP (OIS, Autofocus)
48 MP (PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; 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)
12 MP (Ultra-wide)
12 MP (Ultra-wide)

Specifications:

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

Third camera:

2 MP (Macro)
5 MP (Macro)
5 MP (Macro)

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm
Aperture size: F2.4; Pixel size: 1.12 μm
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera:

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

Specifications:

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

Video recording:

1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

Continuous autofocus, Picture-taking during video recording
Hyperlapse, EIS

Front:

8 MP
32 MP
32 MP (HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps)
1920x1080 (Full HD)

Design

Dimensions:

6.39 x 3.04 x 0.38 inches (162.3 x 77.3 x 9.6 mm)
6.30 x 2.96 x 0.33 inches (159.9 x 75.1 x 8.4 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight:

6.98 oz (198.0 g)
6.67 oz (189.0 g)
6.07 oz (172.0 g)

Materials:

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

Resistance:

Splash
Water, Dust; IP67

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint

Keys:

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

Colors:

Carbon gray, Twilight blue, Sunrise orange, Ocean green
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

5G:

n1, n3, n5, n7, n8, n28, n40, n41, n66, n78

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), 7(2600), 32(1500 L-band)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

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

UMTS:

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

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

Dual SIM:

Yes
Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Atmos
Dolby Atmos

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

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

Features:

Charging
Charging, Headphones port, OTG
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, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

Infrared
NFC
NFC, ANT+

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jan 19, 2021
Mar 17, 2014
Nov 28, 2019

FCC ID value:

2AFZZJ19SL
A3LSMA526U
A3LSMA515FN

Measured SAR:

Head:

1.09 W/kg
0.74 W/kg
0.89 W/kg

Body:

0.72 W/kg
0.53 W/kg
1.18 W/kg

Simultaneous Transmission:

1.58 W/kg
1.51 W/kg
1.56 W/kg

Wireless Router:

1.10 W/kg
0.72 W/kg
1.12 W/kg

Phablet:

2.76 W/kg

Buyers information

Price:

€ 159
€ 429
$ 400

User Manual:

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

In The Box:

22.5W adapter, USB-C cable, SIM eject tool, Soft case, User guide, Warranty card

Availability

Officially announced:

Jan 08, 2021
Mar 17, 2021
Dec 12, 2019
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