Comparison between:
- Xiaomi Redmi 9
- Xiaomi Mi Mix 3

Brand and model

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

Xiaomi Redmi 9Xiaomi Mi Mix 3
Xiaomi Redmi 9Xiaomi Mi Mix 3
Model aliasM2004J19G
Redmi 9 Prime
M2004J19AG
M2004J19C
M2004C3MI
Mi Mix3

Design

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

Width77.01 mm
7.701 cm
0.253 ft
3.032 in
74.69 mm
7.469 cm
0.245 ft
2.941 in
Height163.32 mm
16.332 cm
0.536 ft
6.43 in
157.89 mm
15.789 cm
0.518 ft
6.216 in
Thickness9.1 mm
0.91 cm
0.03 ft
0.358 in
8.46 mm
0.846 cm
0.028 ft
0.333 in
Weight198 g
0.44 lbs
6.98 oz
218 g
0.48 lbs
7.69 oz
Volume114.45 cm³
6.95 in³
99.77 cm³
6.06 in³
ColorsMidnight Grey
Forest Green
Polar White
Black
Blue
Green
Body materialsPlasticCeramic
Aluminium alloy

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
Number of SIM cards22
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual 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
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHz (BC0)CDMA 800 MHz
CDMA 1900 MHz
W-CDMAW-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 1900 MHz
TD-SCDMA 2000 MHz
LTELTE-FDD 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz Class 17
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-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz (B12)
LTE 700 MHz Class 13 (256GB)
LTE 800 MHz (B18) (256GB)
LTE 800 MHz (B19) (256GB)
LTE 1900 MHz (B25) (256GB)
LTE 850 MHz (B26) (256GB)
LTE 800 MHz (B27) (256GB)
LTE 700 MHz (B28) (256GB)
LTE 700 MHz (B29) (256GB) LTE 2300 MHz (B30) (256GB)
LTE 1700/2100 MHz (B66) (256GB)

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
UMTS
EDGE
GPRS
HSPA+
LTE Cat 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA

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 V12 (Android 10)
MIUI V12.5 (Android 11)
MIUI V10 (Android 8.1 Oreo)
MIUI V10.0.11 (Android 9.0 Pie)

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 G80 (MT6769T)Qualcomm Snapdragon 845 (SDM845)
Process technology12 nm10 nm
CPU2x 2.0 GHz ARM Cortex-A75, 6x 1.8 GHz ARM Cortex-A554x 2.8 GHz ARM Cortex-A75, 4x 1.8 GHz ARM Cortex-A55 (Kryo 385)
CPU bits64 bit64 bit
Instruction setARMv8.2-AARMv8.2-A
Level 1 cache memory (L1)-32 KB + 32 KB
Level 2 cache memory (L2)-1536 KB
1.5 MB
Level 3 cache memory (L3)-2048 KB
2 MB
CPU cores88
CPU frequency2000 MHz2800 MHz
GPUARM Mali-G52 2EEMC2Qualcomm Adreno 630
GPU cores2-
GPU frequency950 MHz710 MHz
RAM capacity3 GB
4 GB
6 GB
6 GB
8 GB
10 GB
RAM typeLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channel
RAM frequency1800 MHz1866 MHz

Storage

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

Storage32 GB
64 GB
128 GB
128 GB
256 GB
eMMC 5.1UFS 2.1

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
-

Display

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

Type/technologyIPSAMOLED
Diagonal size6.53 in
165.86 mm
16.59 cm
6.39 in
162.31 mm
16.23 cm
Width2.74 in
69.51 mm
6.95 cm
2.68 in
68.02 mm
6.8 cm
Height5.93 in
150.6 mm
15.06 cm
5.8 in
147.37 mm
14.74 cm
Aspect ratio2.167:12.167:1
Resolution1080 x 2340 pixels1080 x 2340 pixels
Pixel density395 ppi
155 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area83.49 %85.27 %
Other featuresCapacitive
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
Corning Gorilla Glass 3
400 cd/m²
70% NTSC
1500:1
TÜV Rheinland Certified Reading Mode
Display manufacturer - Samsung
Corning Gorilla Glass
2.5D curved glass screen
Always-On Display
60000:1 contrast ratio
430 cd/m²
Peak brightness - 600 cd/m²

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Ultrasonic
-Fingerprint sensor model - Fingerprint Cards FPC1291

Main rear camera

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

Sensor model-Sony IMX363 Exmor RS
Sensor typeCMOSCMOS
Sensor format-1/2.55"
Pixel size-1.4 µm
0.001400 mm
Aperturef/2.2f/1.8
Focal length and 35 mm equivalent-4.23 mm
21 mm *(35 mm / full frame)
Field of view75.2 °-
Flash typeLEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4032 x 3024 pixels
12.19 MP
Video resolution1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps60 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 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
Phase detection autofocus (PDAF)
-Phase detection with Dual Pixel
4-axis OIS
1080p @ 960 fps
720p @ 960 fps

Ultra-wide camera

Specifications of the ultra-wide camera of the device. This type of camera captures a wider field of view compared to the main camera.

Sensor modelOmniVision OV8856-
Sensor format1/4"-
Pixel size1.12 µm
0.001120 mm
-
Aperturef/2.2-
Focal length equivalent (35 mm)13 mm *(35 mm / full frame)-
Field of view118 °-
Image resolution8 MP-
GalaxyCore GC8034 version also available(#2)-

Telephoto camera

Specifications of the telephoto camera. These cameras are used to capture distant objects by using optical zoom to make them look closer without losing resolution and detail.

Sensor model-Samsung S5K3M3
Sensor format-1/3.4"
Pixel size-1 µm
0.001000 mm
Aperture-f/2.4
Focal length equivalent (35 mm)-26 mm *(35 mm / full frame)
Image resolution-12 MP
-Sensor type - ISOCELL

Macro camera

Specifications of the macro camera of the device. This type of camera in smartphones is used to snap close-up photos of tiny objects.

Pixel size1.12 µm
0.001120 mm
-
Aperturef/2.4-
Image resolution5 MP-

Depth-sensing camera

Specifications of the depth sensor of the device. Depth sensors measure the distance between the subject and the camera, enabling features such as bokeh in portraits.

Sensor modelGalaxyCore GC02M1-
Sensor format1/5"-
Pixel size1.75 µm
0.001750 mm
-
Aperturef/2.4-
Image resolution2 MP-

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 model-Sony IMX576 Exmor RS
Sensor format-1/2.8"
Pixel size-0.9 µm
0.000900 mm
Aperturef/2f/2.2
Focal length and 35 mm equivalent-3.86 mm
19 mm *(35 mm / full frame)
Field of view77.8 °-
Image resolution3264 x 2448 pixels
7.99 MP
5760 x 4312 pixels
24.84 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
FeaturesFace unlock
HDR
Face detection
Face unlock
-Mechanical pop-up dual front camera with neodymium magnets
Pixel size - 1.8 μm (4-in-1 pixel binning)
Sensor model - OmniVision OV02A10 (#2)
Pixel size - 1.75 μm (#2)
Secondary front camera - 2 MP

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Smart PA
Dual microphones with active noise cancellation
1216 linear speaker
Vibration motor
Headphone adapter

Radio

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

RadioYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
Galileo
Beidou
A-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)

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
-2x2 MiMO

Bluetooth

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

Version5.05.0
FeaturesA2DP
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-C
Version2.02.0
FeaturesCharging
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 jackYesNo

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
NFC
VoLTE
NFC market dependent-

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

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
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC

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

Battery

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

Capacity5020 mAh3200 mAh
TypeLi-IonLi-Polymer
Charger output power5 V / 2 A
9 V / 2 A
5 V / 3 A
9 V / 2 A
12 V / 1.5 A
Quick charge technologyQualcomm Quick Charge 3.0Qualcomm Quick Charge 4+
FeaturesFast charging
Non-removable
Wireless charging
Fast charging
Non-removable
-Qi wireless charging - 5V/2A; 9V/2A

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)0.789 W/kg1.448 W/kg
Body SAR (EU)1.065 W/kg1.568 W/kg
Head SAR (USA)1.084 W/kg-
Body SAR (USA)1.049 W/kg-
Head SAR (India)0.506 W/kg-
Body SAR (India)0.833 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
Redmi 9 Prime - Matte Black
Mint Green
Space Blue
Sunrise Flare
-
 Xiaomi Redmi 9Xiaomi Mi Mix 3