• 6.53" (2340x1080) IPS LCD
  • 4GB/6GB
    Dimensity 800U 5G SoC
    64GB/128GB Storage
  • 48-MP, f/1.79 Rear: 3 Cameras
  • 5000 mAh
  • 6.5" (2400x1080) Super AMOLED
  • 6GB/8GB
    Samsung Exynos 980 SoC
    128GB Storage
  • 48-MP, f/2 Rear: 4 Cameras
  • 4500 mAh

Specifications Highlights
Product NameRedmi Note 9TGalaxy A51 5G
ProductRedmi Note 9T (2021), Price: 185 USD at AmazonGalaxy A51 5G (2020), Price: 499.99 USD at Amazon
Display6.53" 2340x1080 IPS LCD 6.5" 2400x1080 Super AMOLED
Rear Camera(s)
  • 26mm 48-MP f/1.79 (Primary)
  • 2-MP f/2.4 +Bokeh Sensor
  • 2-MP f/2.4
  • 26mm 48-MP f/2 (Primary)
  • 13mm 12-MP f/2.2
  • 5-MP f/2.2 +Bokeh Sensor
  • 40mm 5-MP f/2
Selfie Camera(s)
  • 13-MP f/2.25
  • 32-MP f/2.2
Computing
  • Dimensity 800U 5G SoC
  • 4GB/6GB RAM
  • 64GB/128GB Storage
  • MicroSDXC
  • Samsung Exynos 980 SoC
  • 6GB/8GB RAM
  • 128GB Storage
  • MicroSDXC
Battery5000 mAh4500 mAh
DesignIP Rating, 199g (7oz), 77.25x161.96x9.05 mm (3.04 x 6.38 x 0.36 inches)IP Rating, 187g (6.6oz), 73.6x158.9x8.7 mm (2.90 x 6.26 x 0.34 inches)
Price (Market)$185$499.99
Price at Launch$185$499.99
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Display
Product NameRedmi Note 9TGalaxy A51 5G
TypeIPS LCDSuper AMOLED
Diagonal (inches)6.53"6.5"
Display/Body Ratio83.7%87.2%
Resolution2340x10802400x1080
Sharpness (PPI)395 PPI405 PPI
Brightness (specs)450 NITs
Display Glass TypeGorilla Glass 5
Features
  • Multitouch
  • Glossy
  • 2.5D
  • Multitouch
  • Glossy
Color Depth24 bit (16,777,216 Colors)24 bit (16,777,216 Colors)
Primary Camera
Product NameRedmi Note 9TGalaxy A51 5G
Megapixel48-MP48-MP
Aperturef/1.79f/2
Focal Length (35mm) 26mm26mm
Sensor SizeMediumMedium
Autofocus Features
  • Phase Detection
  • Phase Detection
Hardware Features
  • Quad Bayer
  • Quad Bayer
Video Resolutions
  • 720p/960fps
  • 1080p/120fps
  • 2160p/30fps
Ultrawide Camera
Product NameGalaxy A51 5G
Megapixel12-MP
Aperturef/2.2
Focal Length (35mm) 13mm
Sensor SizeSmall
Macro Camera
Product NameGalaxy A51 5G
Megapixel5-MP
Aperturef/2
Focal Length (35mm) 40mm
Sensor SizeVery small
Hardware Features
  • Macro Lens
Battery
Product NameRedmi Note 9TGalaxy A51 5G
Battery TypeLi-IonLi-Ion
Battery Capacity (mAh)5000 mAh4500 mAh
Battery Features
  • Fast Charge
  • Non-Removable
  • Fast Charge
  • Non-Removable
Computing
Product NameRedmi Note 9TGalaxy A51 5G
Processor BrandMediaTek
Processor NameDimensity 800U 5GSamsung Exynos 980
Processor ModelMT6853
Processor # Cores88
Main Processor Frequency (GHz)2.4 GHz2.2 GHz
RAM Options4GB/6GB6GB/8GB
Internal Storage Options64GB/128GB128GB
Memory Card TypeMicroSDXCMicroSDXC
Operating System + VersionAndroid 10Android 10
Communications
Product NameRedmi Note 9TGalaxy A51 5G
LTE Category (Download)LTE CAT12 603 Mbps
LTE Bands1, 12, 17, 18, 19, 2, 20, 26, 28, 3, 32, 38, 4, 40, 41, 5, 7, 81, 3, 5, 7, 8
Modem Features
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • EV-DO A
  • TD-SCDMA
  • TD-HSDPA
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • 5G NSA
  • 5G SA
WiFi Speed
  • a
  • b
  • g
  • n
  • a
  • b
  • g
  • n
  • ac
WiFi Features
  • Dual-band
  • Hotspot
  • WiFi Direct
  • Dual-band
  • Hotspot
  • WiFi Direct
Bluetooth VersionBluetooth 5.1Bluetooth 5.0
Bluetooth Features
  • A2DP
  • BT EDR
  • HID
  • BT LE
  • A2DP
  • AVRCP
  • DIP
  • HFP
  • HID
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP/PAB
NFC Features
  • NFC Supported
Connector TypeUSB Type CUSB Type C
Connector Features
  • USB 2.0
  • USB OTG
  • USB 2.0
  • USB OTG
SAR US Head1.073 W/Kg0.8 W/Kg
SAR US Body1.049 W/Kg0.67 W/Kg
SAR EU Head0.592 W/Kg0.369 W/Kg
SAR EU Body0.937 W/Kg1.59 W/Kg
Sim Card 0
Product NameRedmi Note 9TGalaxy A51 5G
NameSIM0SIM0
SIM TypeNano SIMNano SIM
Sim Card 1
Product NameRedmi Note 9TGalaxy A51 5G
NameSIM0SIM1
SIM TypeNano SIM/MicroSDNano SIM
Multimedia
Product NameRedmi Note 9TGalaxy A51 5G
Multimedia Features
  • IR
Audio Features
  • Loudspeaker
  • FM Radio
  • 3.5mm Port
  • Loudspeaker
  • FM Radio
  • 3.5mm Port
Audio Formats
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
  • AAC
  • 3GA
  • AMR
  • RA
  • AWB
  • FLAC
  • M4A
  • MID
  • MIDI
  • MP3
  • OGA
  • OGG
  • WMA
  • WAV
Video Formats
  • DIVX
  • H.263
  • H.264
  • MPEG-4
  • H.265
  • MP4
  • VC-1
  • XVID
  • H.263
  • H.264
  • MPEG-4
  • H.265
  • MP4
  • VC-1
  • VP8
  • VP9
  • WMV7
  • WMV8
  • XVID
Sensors
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • Galileo
  • Proximity
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo

Xiaomi Redmi Note 9T vs. Samsung Galaxy A51 5G Specs & Speed Benchmarks

Battery Capacity (mAh)

Higher is better