• 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" (1600x720) Super AMOLED
  • 3GB
    MT6765) SoC
    32GB Storage
  • 16-MP, f/1.8 Rear: 4 Cameras
  • 4000 mAh

Specifications Highlights
Product NameRedmi Note 9TGalaxy A21
ProductRedmi Note 9T (2021), Price: 185 USD at AmazonGalaxy A21 (2020), Price: 184 USD at Amazon
Display6.53" 2340x1080 IPS LCD 6.5" 1600x720 Super AMOLED
Rear Camera(s)
  • 26mm 48-MP f/1.79 (Primary)
  • 2-MP f/2.4 +Bokeh Sensor
  • 2-MP f/2.4
  • 24mm 16-MP f/1.8 (Primary)
  • 14mm 8-MP f/2.2
  • 2-MP f/2.4 +Bokeh Sensor
  • 2-MP f/2.4
Selfie Camera(s)
  • 13-MP f/2.25
  • 13-MP f/2
Computing
  • Dimensity 800U 5G SoC
  • 4GB/6GB RAM
  • 64GB/128GB Storage
  • MicroSDXC
  • MT6765) SoC
  • 3GB RAM
  • 32GB Storage
  • MicroSDXC
Battery5000 mAh4000 mAh
DesignIP Rating, 199g (7oz), 77.25x161.96x9.05 mm (3.04 x 6.38 x 0.36 inches)IP Rating, 192g (6.8oz), 163.7x75.3x8.9 mm (6.44 x 2.96 x 0.35 inches)
Price (Market)$185$184
Price at Launch$185$249
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Display
Product NameRedmi Note 9TGalaxy A21
TypeIPS LCDSuper AMOLED
Diagonal (inches)6.53"6.5"
Display/Body Ratio83.7%82.8%
Resolution2340x10801600x720
Sharpness (PPI)395 PPI270 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 A21
Megapixel48-MP16-MP
Aperturef/1.79f/1.8
Focal Length (35mm) 26mm24mm
Sensor SizeMediumSmall
Autofocus Features
  • Phase Detection
Hardware Features
  • Quad Bayer
Ultrawide Camera
Product NameGalaxy A21
Megapixel8-MP
Aperturef/2.2
Focal Length (35mm) 14mm
Sensor SizeVery small
Battery
Product NameRedmi Note 9TGalaxy A21
Battery TypeLi-IonLi-Poly
Battery Capacity (mAh)5000 mAh4000 mAh
Battery Features
  • Fast Charge
  • Non-Removable
  • Fast Charge
  • Non-Removable
Computing
Product NameRedmi Note 9TGalaxy A21
Processor BrandMediaTekMediaTek
Processor NameDimensity 800U 5GMT6765)
Processor ModelMT6853MT6765)
Processor # Cores88
Main Processor Frequency (GHz)2.4 GHz2.3 GHz
RAM Options4GB/6GB3GB
Internal Storage Options64GB/128GB32GB
Memory Card TypeMicroSDXCMicroSDXC
Operating System + VersionAndroid 10Android 10
Communications
Product NameRedmi Note 9TGalaxy A21
LTE Category (Download)LTE CAT12 603 MbpsLTE CAT4 150 Mbps
LTE Bands1, 12, 17, 18, 19, 2, 20, 26, 28, 3, 32, 38, 4, 40, 41, 5, 7, 81, 20, 3, 38, 40, 41, 5, 7, 8
Modem Features
  • UMTS
  • EDGE
  • GPRS
  • HSPA+
  • LTE
  • EV-DO A
  • TD-SCDMA
  • TD-HSDPA
  • UMTS
  • EDGE
  • HSPA+
  • LTE
WiFi Speed
  • a
  • b
  • g
  • n
  • b
  • g
  • n
WiFi Features
  • Dual-band
  • Hotspot
  • WiFi Direct
  • 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
  • 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/Kg
SAR US Body1.049 W/Kg
SAR EU Head0.592 W/Kg0.23 W/Kg
SAR EU Body0.937 W/Kg1.38 W/Kg
Sim Card 0
Product NameRedmi Note 9TGalaxy A21
NameSIM0SIM0
SIM TypeNano SIMNano SIM
Sim Card 1
Product NameRedmi Note 9TGalaxy A21
NameSIM0
SIM TypeNano SIM/MicroSD
Multimedia
Product NameRedmi Note 9TGalaxy A21
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

Xiaomi Redmi Note 9T vs. Samsung Galaxy A21 Specs & Speed Benchmarks

Battery Capacity (mAh)

Higher is better