Xiaomi Mi 9T vs Samsung Galaxy A51
Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone specs comparison tool or pick a popular device from the ones below.
Display
Size
Resolution
Technology
AMOLED
Super AMOLED
Screen-to-body
85.94 %
87.37 %
Peak brightness
430 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), Ambient light sensor, Proximity sensor
Hardware
System chip
Qualcomm Snapdragon 730 SM7150-AA
Samsung Exynos 9611
Processor
GPU
Adreno 618
Mali-G72 MP3
RAM
Internal storage
128GB
128GB, available to use: 105.9 GB
Storage expansion
microSDXC up to 512 GB
Device type
Smartphone
Smartphone
OS
Android (10, 9.0 Pie)
Android (10), Samsung One UI
Battery
Capacity
4000 mAh
4000 mAh
Type
Not user replaceable
Li - Polymer, Not user replaceable
Charging
Fast charging
Fast charging
Camera
Rear
Triple camera
Quad camera
Main camera
Specifications
Aperture size: F1.8; Sensor size: 1/2"; 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 (Telephoto)
12 MP (Ultra-wide)
Specifications
Optical zoom: 2x; Aperture size: F2.4; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Third camera
13 MP (Ultra-wide)
5 MP (Macro)
Specifications
Aperture size: F2.4; Pixel size: 1.12 μm
Aperture size: F2.4; Focal Length: 40 mm
Fourth camera
5 MP (Depth information)
Specifications
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (960 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features
Video calling, Video sharing
Hyperlapse, EIS
Front
20 MP (Pop-up, HDR)
32 MP (HDR)
Design
Dimensions
Weight
the average is 6.3 oz (179 g)
the average is 6.3 oz (179 g)
Materials
Back: Plastic; Frame: Plastic
Biometrics
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
Colors
Carbon Black, Flame Red, Glacier Blue
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
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), 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)
Bands 38(2600), 39(1900+), 41(2600+)
UMTS
850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
SIM type
Nano SIM
Nano SIM
HD Voice
Yes
VoLTE
Yes
Multimedia
Headphones
3.5mm jack
3.5mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Features
Album art cover, Background playback
Dolby Atmos
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
Additional microphone(s)
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth
5.0
5.0
Wi-Fi
802.11 a, b, g, n, ac, dual-band; MIMO, 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
Features
Charging, Mass storage device
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
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+
Regulatory Approval
Measured SAR
Head
0.89 W/kg
Body
1.18 W/kg
Simultaneous Transmission
1.56 W/kg
Wireless Router
1.12 W/kg
Phablet
2.76 W/kg
Buyers information
Price
$ 400
In The Box
Power adapter, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card
Download the Samsung Galaxy A51 Manual as a PDF file.
Availability
Officially announced
Jun 12, 2019
Dec 12, 2019
