Comparison between:
- Xiaomi Redmi Note 9
- Xiaomi Redmi 9
- Xiaomi Redmi 9C
- Realme C3

Brand and model

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

Xiaomi Redmi Note 9Xiaomi Redmi 9Xiaomi Redmi 9CRealme C3
Xiaomi Redmi Note 9
Prices
Xiaomi Redmi 9
Prices
Xiaomi Redmi 9C
Prices
Realme C3
Prices
Model aliasRedmi Note9
M2003J15SC
M2004J19G
Redmi 9 Prime
-C3i

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
77.01 mm
7.701 cm
0.253 ft
3.032 in
75.9 mm
7.59 cm
0.249 ft
2.988 in
75 mm
7.5 cm
0.246 ft
2.953 in
Height162.3 mm
16.23 cm
0.532 ft
6.39 in
163.32 mm
16.332 cm
0.536 ft
6.43 in
164.4 mm
16.44 cm
0.539 ft
6.472 in
164.4 mm
16.44 cm
0.539 ft
6.472 in
Thickness8.9 mm
0.89 cm
0.029 ft
0.35 in
9.1 mm
0.91 cm
0.03 ft
0.358 in
9.1 mm
0.91 cm
0.03 ft
0.358 in
8.95 mm
0.895 cm
0.029 ft
0.352 in
Weight199 g
0.44 lbs
7.02 oz
198 g
0.44 lbs
6.98 oz
196 g
0.43 lbs
6.91 oz
195 g
0.43 lbs
6.88 oz
Volume111.51 cm³
6.77 in³
114.45 cm³
6.95 in³
113.55 cm³
6.9 in³
110.35 cm³
6.7 in³
ColorsBlue
Black
White
Pink
Red
Green
Midnight Grey
Forest Green
Polar White
Mint Green
Pepper Grey
Blazing Red
Frozen Blue
Body materialsGlass
Plastic
PlasticPlasticPlastic

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-SIMNano-SIMNano-SIM
Number of SIM cards2222
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)Dual 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 (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 (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
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 (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
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 (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-FDD 700 MHz (B28)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)

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
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE

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 V12 (Android 10)MIUI 12 (Android 10)Android 10
User interface (UI)---realme UI 1.0

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 G85MediaTek Helio G80MediaTek Helio G35MediaTek Helio G70
Process technology12 nm12 nm12 nm12 nm
CPU2x 2.0 GHz ARM Cortex-A75, 6x 1.8 GHz ARM Cortex-A552x 2.0 GHz Cortex-A75, 6x 1.8 GHz Cortex-A554x 2.3 GHz Cortex-A53, 4x 1.8 GHz Cortex-A532x 2.0 GHz Cortex-A75, 6x 1.7 GHz Cortex-A55
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8.2-AARMv8-AARMv8-AARMv8-A
CPU cores8888
CPU frequency2000 MHz2000 MHz2300 MHz2000 MHz
GPUARM Mali-G52 2EEMC2ARM Mali-G52 2EEMC2IMG PowerVR GE8320ARM Mali-G52 2EEMC2
GPU cores2---
GPU frequency1000 MHz950 MHz680 MHz820 MHz
RAM capacity3 GB
4 GB
3 GB
4 GB
3 GB3 GB
4 GB
RAM typeLPDDR4XLPDDR4XLPDDR3LPDDR3
RAM channelsDouble channelDouble channelSingle channelSingle channel
RAM frequency1800 MHz2133 MHz933 MHz933 MHz

Storage

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

Storage64 GB
128 GB
32 GB
64 GB
64 GB32 GB
64 GB
eMMC 5.1eMMC 5.1eMMC 5.1eMMC 5.1

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
miniSD
microSDHC
microSDXC
miniSD
microSDHC
microSDXC

Display

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

Type/technologyIPSIPSIPSIPS
Diagonal size6.53 in
165.86 mm
16.59 cm
6.53 in
165.86 mm
16.59 cm
6.53 in
165.86 mm
16.59 cm
6.52 in
165.61 mm
16.56 cm
Width2.74 in
69.51 mm
6.95 cm
2.74 in
69.51 mm
6.95 cm
2.68 in
68.06 mm
6.81 cm
2.68 in
67.96 mm
6.8 cm
Height5.93 in
150.6 mm
15.06 cm
5.93 in
150.6 mm
15.06 cm
5.95 in
151.25 mm
15.13 cm
5.95 in
151.02 mm
15.1 cm
Aspect ratio2.167:12.167:12.222:12.222:1
Resolution1080 x 2340 pixels1080 x 2340 pixels720 x 1600 pixels720 x 1600 pixels
Pixel density395 ppi
155 ppcm
395 ppi
155 ppcm
269 ppi
105 ppcm
269 ppi
105 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area83.81 %83.49 %82.77 %83.51 %
Other featuresCapacitive
Scratch resistant
Capacitive
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
2.5D curved glass screen
Corning Gorilla Glass 3
400 cd/m²
70% NTSC
1500:1
TÜV Rheinland Certified Reading Mode
2.5D curved glass screenCorning Gorilla Glass
2.5D curved glass screen
480 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
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Fingerprint
Proximity
Light
Accelerometer
Compass

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 S5KGM2---
Sensor typeCMOSCMOSCMOSCMOS
Sensor format1/2.25"---
Pixel size0.8 µm
0.000800 mm
-1.12 µm
0.001120 mm
1.25 µm
0.001250 mm
Aperturef/1.79f/2.2f/1.8f/1.8
Focal length and 35 mm equivalent---3.95 mm
Field of view-75.2 °--
Number of lenses6--5
Flash typeLEDLEDLEDDual LED
Image resolution8000 x 6000 pixels
48 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4032 x 3096 pixels
12.48 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps30 fps30 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
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
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Autofocus
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)
Chroma Boost
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)
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 - 5MP (macro)
Pixel size - 1.12 μm (#4)
Aperture size - f/2.4 (#4)
Secondary rear camera - 5 MP (macro)
Aperture size - f/2.4 (#2)
Secondary rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#3)
4x digital zoom
Secondary rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#4)

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.

Pixel size---1.12 µm
0.001120 mm
Aperturef/2f/2f/2.4f/2.4
Focal length and 35 mm equivalent--27 mm *(35 mm / full frame)-
Field of view-77.8 °--
Number of lenses---5
Image resolution4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
1600 x 1200 pixels
1.92 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace unlock
HDR
Face detection
Face unlock
HDR
Face detection
Face unlock
HDR
Face unlock
HDR

Audio

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

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

Radio

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

RadioYesYesYesYes

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
Beidou
GPS
A-GPS
GLONASS
BeiDou
Galileo
GPS
A-GPS
GLONASS
BeiDou
Galileo

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
802.11b
802.11g
802.11n
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.

Version5.05.05.05.0
FeaturesA2DP
EDR
HID
LE
A2DP
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-CMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
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 jackYesYesYesYes

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
Tethering
NFC
VoLTE
ViLTE
VoWiFi
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
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
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
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
AMR-WB
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
MP4
VC-1
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
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 mAh5020 mAh5000 mAh5000 mAh
TypeLi-IonLi-IonLi-PolymerLi-Polymer
3G talk time---43 h 54 min
43.9 h
2634 min
1.8 days
3G stand-by time---727 h 42 min
727.7 h
43662 min
30.3 days
Charger output power5 V / 3 A
9 V / 2.23 A
12 V / 1.67 A
10 V / 2.25 A
5 V / 2 A
9 V / 2 A
5 V / 2 A5 V / 2 A
Quick charge technology-Qualcomm Quick Charge 3.0--
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
9W wired reverse charging---

Additional features

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

Additional featuresP2i splash-proof nano-coatingP2i splash-proof nano-coating
Redmi 9 Prime - Matte Black
Mint Green
Space Blue
Sunrise Flare
-Splash resistant
 Xiaomi Redmi Note 9Xiaomi Redmi 9Xiaomi Redmi 9CRealme C3