Comparison between:
- Xiaomi Redmi 9
- Samsung Galaxy A11
- Realme C3
- Samsung Galaxy M11

Brand and model

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

Xiaomi Redmi 9Samsung Galaxy A11Realme C3Samsung Galaxy M11
Xiaomi Redmi 9
Prices
Samsung Galaxy A11
Prices
Realme C3
Prices
Samsung Galaxy M11
Prices
Model aliasM2004J19G
Redmi 9 Prime
SM-A115F/DS
SM-A115F
A115F
C3iSM-M115FZKDXSG
SM-M115F
M115F

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
76.3 mm
7.63 cm
0.25 ft
3.004 in
75 mm
7.5 cm
0.246 ft
2.953 in
76.3 mm
7.63 cm
0.25 ft
3.004 in
Height163.32 mm
16.332 cm
0.536 ft
6.43 in
161.4 mm
16.14 cm
0.53 ft
6.354 in
164.4 mm
16.44 cm
0.539 ft
6.472 in
161.4 mm
16.14 cm
0.53 ft
6.354 in
Thickness9.1 mm
0.91 cm
0.03 ft
0.358 in
8 mm
0.8 cm
0.026 ft
0.315 in
8.95 mm
0.895 cm
0.029 ft
0.352 in
9 mm
0.9 cm
0.03 ft
0.354 in
Weight198 g
0.44 lbs
6.98 oz
177 g
0.39 lbs
6.24 oz
195 g
0.43 lbs
6.88 oz
197 g
0.43 lbs
6.95 oz
Volume114.45 cm³
6.95 in³
98.52 cm³
5.98 in³
110.35 cm³
6.7 in³
110.83 cm³
6.73 in³
ColorsMidnight Grey
Forest Green
Polar White
Black
White
Red
Blue
Blazing Red
Frozen Blue
Black
Violet
Metallic Blue
Body materialsPlasticPlasticPlasticPlastic

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)---
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 (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
-
UMTS-UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
-UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
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-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-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 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
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)

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
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE
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 V12 (Android 10)Android 10Android 10Android 10
User interface (UI)-One UI 2.0realme UI 1.0One UI 2.0

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 G80Qualcomm Snapdragon 450MediaTek Helio G70-
Process technology12 nm14 nm12 nm-
CPU2x 2.0 GHz Cortex-A75, 6x 1.8 GHz Cortex-A55ARM Cortex-A532x 2.0 GHz Cortex-A75, 6x 1.7 GHz Cortex-A55-
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8ARMv8-A-
CPU cores8888
CPU frequency2000 MHz1800 MHz2000 MHz1800 MHz
GPUARM Mali-G52 2EEMC2Qualcomm Adreno 506ARM Mali-G52 2EEMC2-
GPU frequency950 MHz-820 MHz-
RAM capacity3 GB
4 GB
2 GB
3 GB
3 GB
4 GB
3 GB
4 GB
RAM typeLPDDR4X-LPDDR3LPDDR4X
RAM channelsDouble channel-Single channelDouble channel
RAM frequency2133 MHz-933 MHz-

Storage

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

Storage32 GB
64 GB
32 GB32 GB
64 GB
32 GB
64 GB
eMMC 5.1-eMMC 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
microSD
microSDHC
microSDXC

Display

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

Type/technologyIPSTFTIPSPLS
Diagonal size6.53 in
165.86 mm
16.59 cm
6.4 in
162.56 mm
16.26 cm
6.52 in
165.61 mm
16.56 cm
6.4 in
162.56 mm
16.26 cm
Width2.74 in
69.51 mm
6.95 cm
2.68 in
68.12 mm
6.81 cm
2.68 in
67.96 mm
6.8 cm
2.68 in
68.12 mm
6.81 cm
Height5.93 in
150.6 mm
15.06 cm
5.81 in
147.6 mm
14.76 cm
5.95 in
151.02 mm
15.1 cm
5.81 in
147.6 mm
14.76 cm
Aspect ratio2.167:12.167:12.222:12.167:1
Resolution1080 x 2340 pixels720 x 1560 pixels720 x 1600 pixels720 x 1560 pixels
Pixel density395 ppi
155 ppcm
268 ppi
105 ppcm
269 ppi
105 ppcm
268 ppi
105 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area83.49 %81.91 %83.51 %81.91 %
Other featuresCapacitive
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
2.5D curved glass screen
Corning Gorilla Glass 3
400 cd/m²
70% NTSC
1500:1
TÜV Rheinland Certified Reading Mode
Infinity-O displayCorning Gorilla Glass
2.5D curved glass screen
480 cd/m²
Infinity-O Display
2.5D curved glass screen

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
Fingerprint
Proximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer
Fingerprint

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 typeCMOS-CMOS-
Pixel size--1.25 µm
0.001250 mm
-
Aperturef/2.2f/1.8f/1.8f/1.8
Focal length and 35 mm equivalent--3.95 mm-
Field of view75.2 °--77 °
Number of lenses--5-
Flash typeLEDLEDDual LEDLED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4032 x 3096 pixels
12.48 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 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
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
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
Autofocus
Digital zoom
Geotagging
HDR
Touch focus
Face detection
Self-timer
Scene mode
Phase detection autofocus (PDAF)
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 - 2 MP (depth sensing)
Aperture size - f/2.4 (#2)
Third rear camera - 5 MP (ultra-wide angle)
Aperture size - f/2.2 (#3)
4x digital zoom
Secondary rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#4)
Secondary rear camera - 2 MP (depth)
Aperture size - f/2.4 (#2)
Third rear camera - 5 MP (ultra-wide angle)
Aperture size - f/2.2 (#3)
Angle of view - 115° (#3)
8x digital zoom

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/2-f/2.4f/2
Field of view77.8 °---
Number of lenses--5-
Image resolution3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace unlock
HDR
Face detection
Face unlockFace unlock
HDR
Face unlock

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
---

Radio

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

RadioYesYesYesYes
---RDS

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
Galileo
Beidou
GPS
A-GPS
GLONASS
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
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
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.

Version5.05.05.04.2
FeaturesA2DP
EDR
HID
LE
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
EDR
HID
LE
A2DP
LE

USB

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

Connector typeUSB Type-CMicro USBMicro USBUSB Type-C
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
Tethering
VoLTE
ANT+
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
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
AMR
AMR-WB
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AMR
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
3GA
OGA
AWB
MID
XMF
MXMF
IMY
RTTTL
RTX
OTA

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
3GPP2
AVI
Flash Video
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
VP9
WebM
WMV
WMV7
WMV8
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
AVI
MKV
MP4
WMV
M4V
3GP
3G2
ASF
FLV
WEBM

Battery

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

Capacity5020 mAh4000 mAh5000 mAh5000 mAh
TypeLi-IonLi-IonLi-PolymerLi-Ion
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 / 2 A
9 V / 2 A
5 V / 3 A5 V / 2 A5 V / 3 A
Quick charge technologyQualcomm Quick Charge 3.0---
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable

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)-0.52 W/kg-0.52 W/kg
Body SAR (EU)-0.99 W/kg-0.99 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
-Splash resistant-
 Xiaomi Redmi 9Samsung Galaxy A11Realme C3Samsung Galaxy M11