Comparison between:
- Xiaomi Redmi Note 9
- Xiaomi Mi Note 10
- Xiaomi Mi A3

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Xiaomi Redmi Note 9Xiaomi Mi Note 10Xiaomi Mi A3
Xiaomi Redmi Note 9
Prices
Xiaomi Mi Note 10
Prices
Xiaomi Mi A3
Prices
Model aliasRedmi Note9
M2003J15SC
M2003J15SS
Mi Note10
M1910F4G
M1906F9SH
M1906F9SI

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width77.2 mm
7.72 cm
0.253 ft
3.039 in
74.2 mm
7.42 cm
0.243 ft
2.921 in
71.85 mm
7.185 cm
0.236 ft
2.829 in
Height162.3 mm
16.23 cm
0.532 ft
6.39 in
157.8 mm
15.78 cm
0.518 ft
6.213 in
153.48 mm
15.348 cm
0.504 ft
6.043 in
Thickness8.9 mm
0.89 cm
0.029 ft
0.35 in
9.67 mm
0.967 cm
0.032 ft
0.381 in
8.475 mm
0.848 cm
0.028 ft
0.334 in
Weight199 g
0.44 lbs
7.02 oz
208 g
0.46 lbs
7.34 oz
173 g
0.38 lbs
6.13 oz
Volume111.51 cm³
6.77 in³
113.22 cm³
6.88 in³
93.46 cm³
5.68 in³
ColorsBlue
Black
White
Pink
Red
Green
Aurora Green
Glacier White
Midnight Black
Black
White
Blue
Body materialsGlass
Plastic
Aluminium alloy
Glass
Glass
Plastic

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIMNano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Nano-SIM
Number of SIM cards222
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)--

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHz (BC0)CDMA 800 MHz (BC0)-
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1700 MHz (B4)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
TD-SCDMA-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-
LTELTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-FDD 700 MHz (B12)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 700 MHz (B28)

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)MIUI V11 (Android 10)MIUI V11 (Android 10)Android 9.0 Pie
Android 10

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCMediaTek Helio G85Qualcomm Snapdragon 730GQualcomm Snapdragon 665
Process technology12 nm8 nm11 nm
CPU2x 2.0 GHz ARM Cortex-A75, 6x 1.8 GHz ARM Cortex-A552x 2.2 GHz Kryo 470, 6x 1.8 GHz Kryo 4704x 2.0 GHz Kryo 260, 4x 1.8 GHz Kryo 260
CPU bits64 bit64 bit64 bit
Instruction setARMv8.2-AARMv8ARMv8
CPU cores888
CPU frequency2000 MHz2200 MHz2000 MHz
GPUARM Mali-G52 2EEMC2Qualcomm Adreno 618Qualcomm Adreno 610
GPU cores2--
GPU frequency1000 MHz--
RAM capacity3 GB
4 GB
6 GB
8 GB
12 GB
4 GB
RAM typeLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channel
RAM frequency1800 MHz1866 MHz1866 MHz
-Game Turbo 2.0Game Turbo 2.0

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage64 GB
128 GB
64 GB
128 GB
256 GB
64 GB
128 GB
eMMC 5.1-UFS 2.1

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

TypesmicroSD
microSDHC
microSDXC
-microSD
microSDHC
microSDXC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyIPSAMOLEDAMOLED
Diagonal size6.53 in
165.86 mm
16.59 cm
6.47 in
164.34 mm
16.43 cm
6.09 in
154.64 mm
15.46 cm
Width2.74 in
69.51 mm
6.95 cm
2.71 in
68.87 mm
6.89 cm
2.55 in
64.8 mm
6.48 cm
Height5.93 in
150.6 mm
15.06 cm
5.87 in
149.21 mm
14.92 cm
5.53 in
140.4 mm
14.04 cm
Aspect ratio2.167:12.167:12.167:1
Resolution1080 x 2340 pixels1080 x 2340 pixels720 x 1560 pixels
Pixel density395 ppi
155 ppcm
398 ppi
156 ppcm
282 ppi
110 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area83.81 %88.05 %82.77 %
Other featuresCapacitive
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
Corning Gorilla Glass 5
DotDisplay
Oleophobic coating
TÜV Rheinland Low Blue Light Certification
84% NTSC
1500:1
3D curved glass screen
TÜV Rheinland Low Light Blue Certification
Corning Gorilla Glass 5
400000:1 contrast ratio
430 cd/m²
Peak brightness - 600 cd/m²
103.8% NTSC
DC dimming
HDR10
Corning Gorilla Glass 5
60000:1 contrast ratio
350 cd/m²
Peak brightness - 530 cd/m²
102.7% NTSC
HDR10

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
-In-display fingerprint sensorIn-display fingerprint sensor

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor modelSamsung S5KGM1Samsung S5KHMXSony IMX586 Exmor RS
Sensor typeCMOSISOCELLCMOS
Sensor format1/2.25"1/1.33"1/2"
Pixel size0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
Aperturef/1.79f/1.69f/1.79
Focal length and 35 mm equivalent--4.71 mm
Number of lenses676
Flash typeLEDDual LEDDual LED
Image resolution8000 x 6000 pixels
48 MP
12032 x 9024 pixels
108.58 MP
8000 x 6000 pixels
48 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps60 fps30 fps
FeaturesAutofocus
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
Autofocus
Continuous autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Sony IMX582 versions also available
Pixel size - 1.6 μm (4-in-1 pixel binning)
Secondary rear camera - 8 MP (ultra-wide)
Sensor model - OmniVision OV8856 (#2)
GalaxyCore GC8034 version also available(#2)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 118° (#2)
Focal length (35 mm equivalent) - 13 mm (#2)
Third rear camera - 2MP (depth-sensing)
Sensor model - GalaxyCore GC02M1 (#3)
Sensor size - 1/5" (#3)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Fourth rear camera - 2MP (macro)
Pixel size - 1.12 μm (#4)
2 cm shooting distance (#4)
Sensor type - ISOCELL Bright
Pixel size - 1.6 μm (4-in-1 pixel binning)
Premium Edition - 8-element lens
Super Phase Detection
Laser hybrid focus
Four-axis OIS
1080p @ 240 fps
720p @ 960 fps
Secondary rear camera - 20 MP (wide-angle)
Sensor model - Sony IMX350 (#2)
Sensor type - Exmor RS (#2)
Sensor size - 1/2.78" (#2)
Sensor size (h/v) - 6.415 x 4.759 mm (#2)
Pixel size - 1.0 μm (#2)
Angle of view - 117° (#2)
Aperture size - f/2.2 (#2)
Third rear camera - 5 MP (telephoto)
Sensor model - OmniVision OV08A10 (customized) (#3)
Pixel size - 1.0 μm (#3)
Aperture size - f/2.0 (#3)
Four-axis OIS (#3)
5x optical zoom (#3)
10x hybrid zoom (#3)
50x digital zoom (#3)
Fourth rear camera - 12 MP (portrait)
Sensor model - Samsung S5K2L7 (#4)
Sensor type - ISOCELL Fast (#4)
Sensor size - 1/2.6" (#4)
Pixel size - 1.4 μm (#4)
Aperture size - f/2.0 (#4)
Focal length (35 mm equivalent) - 50 mm (#4)
Phase detection with Dual Pixel (#4)
2x optical zoom (#4)
Fifth rear camera - 2 MP (macro)
Macro - 1.5 cm (#5)
Two dual-LED flash lights
Sony IMX582 version is also available
Pixel size - 1.6 μm (4-in-1 pixel binning)
1080p @ 120 fps
720p @ 240 fps
Secondary rear camera - 8 MP (ultra-wide angle)
Sensor model - OmniVision OV13855 (#2)
Samsung S5K4H7 version is also available (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 118° (#2)
Third rear camera - 2 MP (depth-sensing)
Sensor model - OmniVision OV02A10 (#3)
GalaxyCore GC2375 version is also available (#3)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor modelOmniVision OV13B10Samsung S5KGD1Samsung S5KGD1
Sensor format-1/2.8"-
Pixel size-0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
Aperturef/2f/2f/2
Focal length and 35 mm equivalent--3.85 mm
Field of view--79 °
Number of lenses--5
Image resolution4160 x 3120 pixels
12.98 MP
6528 x 4896 pixels
31.96 MP
6560 x 4920 pixels
32.28 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesFace unlock
HDR
Face detection
Face unlockFace unlock
-Sensor type - ISOCELL PLUSSensor type - ISOCELL PLUS

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Smart PA
Dual microphones with active noise cancellation
1216 linear speaker
Vibration motor
Hi-Res Audio
Smart PA
1216 super linear speaker
Hi-Res Audio
Smart PA

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioYesYesYes

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
GLONASS
Galileo
Beidou
NavIC
GPS
A-GPS
GLONASS
Galileo
GPS
A-GPS
GLONASS
BeiDou

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version5.05.05.0
FeaturesA2DP
EDR
HID
LE
A2DP
EDR
HID
LE
A2DP
EDR
HID
LE

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeUSB Type-CUSB Type-CUSB Type-C
Version2.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Infrared
Tethering
NFC
VoLTE
ViLTE
VoWiFi
Computer sync
OTA sync
Infrared
NFC
VoLTE
Computer sync
OTA sync
Infrared
VoLTE

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecsAAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
WebM
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
WebM
WMV
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity5020 mAh5260 mAh4030 mAh
TypeLi-IonLi-PolymerLi-Polymer
Charger output power5 V / 3 A
9 V / 2.23 A
12 V / 1.67 A
10 V / 2.25 A
10 V / 3 A5 V / 2 A
9 V / 2 A
Quick charge technology--Qualcomm Quick Charge 3.0
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
9W wired reverse charging--

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)0.795 W/kg1.107 W/kg0.301 W/kg
Body SAR (EU)1.138 W/kg1.392 W/kg1.097 W/kg
Head SAR (USA)0.84 W/kg1.19 W/kg1.03 W/kg
Body SAR (USA)0.9 W/kg1.18 W/kg1.07 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional featuresP2i splash-proof nano-coating-M1906F9SI - SAR (Specific Absorption Rate) India: head - 0.527 W/kg; body - 0.722 W/kg
P2i nano-coating
 Xiaomi Redmi Note 9Xiaomi Mi Note 10Xiaomi Mi A3