Comparison between:
- Sony Xperia E3 Dual
- Xiaomi Redmi 4X
- Realme C3
- Xiaomi Redmi 8A

Brand and model

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

Sony Xperia E3 DualXiaomi Redmi 4XRealme C3Xiaomi Redmi 8A
Sony Xperia E3 DualXiaomi Redmi 4X
Prices
Realme C3
Prices
Xiaomi Redmi 8A
Model aliasD2212Hongmi 4X
Red Rice 4X
C3iRedmi8A
Red Rice 8A
Red Rice8A
MZB8298IN
M1908C3KG
M1908C3KH

Design

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

Width69.4 mm
6.94 cm
0.228 ft
2.732 in
69.96 mm
6.996 cm
0.23 ft
2.754 in
75 mm
7.5 cm
0.246 ft
2.953 in
75.41 mm
7.541 cm
0.247 ft
2.969 in
Height137.1 mm
13.71 cm
0.45 ft
5.398 in
139.24 mm
13.924 cm
0.457 ft
5.482 in
164.4 mm
16.44 cm
0.539 ft
6.472 in
156.48 mm
15.648 cm
0.513 ft
6.161 in
Thickness8.5 mm
0.85 cm
0.028 ft
0.335 in
8.65 mm
0.865 cm
0.028 ft
0.341 in
8.95 mm
0.895 cm
0.029 ft
0.352 in
9.4 mm
0.94 cm
0.031 ft
0.37 in
Weight143 g
0.32 lbs
5.07 oz
150 g
0.33 lbs
5.29 oz
195 g
0.43 lbs
6.88 oz
188 g
0.41 lbs
6.63 oz
Volume80.88 cm³
4.91 in³
84.26 cm³
5.12 in³
110.35 cm³
6.7 in³
110.92 cm³
6.74 in³
ColorsBlack
White
Yellow
Black
Pink
Champagne
Blazing Red
Frozen Blue
Midnight Black
Ocean Blue
Sunset Red
Body materials-MetalPlasticPlastic

SIM card

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

SIM card typeMicro-SIMMicro-SIM
Nano-SIM / microSD
Nano-SIMNano-SIM
Number of SIM cards1222
Features--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
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
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)
CDMA-CDMA 800 MHz--
W-CDMA-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
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 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
TD-SCDMA-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
--
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
---
LTE-LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
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)

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+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A

Operating system

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

Operating system (OS)Android 4.4 KitKatMIUI V8 (Android 6.0.1 Marshmallow)
MIUI V8.2 (Android 7.1.1 Nougat)
MIUI V10
Android 10MIUI 10 (Android 9.0 Pie)
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.

SoCQualcomm Snapdragon 400 MSM8226Qualcomm Snapdragon 435 MSM8940MediaTek Helio G70Qualcomm Snapdragon 439
Process technology28 nm28 nm12 nm12 nm
CPUARM Cortex-A74x 1.4 GHz ARM Cortex-A53, 4x 1.1 GHz ARM Cortex-A532x 2.0 GHz Cortex-A75, 6x 1.7 GHz Cortex-A554x 1.95 GHz ARM Cortex-A53, 4x 1.45 GHz ARM Cortex-A53
CPU bits32 bit64 bit64 bit64 bit
Instruction setARMv7ARMv8ARMv8.2-AARMv8
Level 1 cache memory (L1)16 KB + 16 KB---
Level 2 cache memory (L2)1024 KB
1 MB
---
CPU cores4888
CPU frequency1200 MHz1400 MHz2000 MHz1950 MHz
GPUQualcomm Adreno 305Qualcomm Adreno 505ARM Mali-G52 2EEMC2Qualcomm Adreno 505
GPU cores1---
GPU frequency450 MHz-820 MHz650 MHz
RAM capacity1 GB2 GB
3 GB
3 GB
4 GB
2 GB
3 GB
RAM type-LPDDR3LPDDR4XLPDDR3
RAM channels-Single channelDouble channelSingle channel
RAM frequency-800 MHz1866 MHz933 MHz

Storage

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

Storage4 GB16 GB
32 GB
64 GB
32 GB
64 GB
32 GB
---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/technologyIPSIPSIPSIPS
Diagonal size4.5 in
114.3 mm
11.43 cm
5 in
127 mm
12.7 cm
6.52 in
165.61 mm
16.56 cm
6.22 in
157.91 mm
15.79 cm
Width2.2 in
56 mm
5.6 cm
2.45 in
62.26 mm
6.23 cm
2.68 in
67.96 mm
6.8 cm
2.66 in
67.6 mm
6.76 cm
Height3.92 in
99.64 mm
9.96 cm
4.36 in
110.69 mm
11.07 cm
5.95 in
151.02 mm
15.1 cm
5.62 in
142.71 mm
14.27 cm
Aspect ratio1.779:11.778:1
16:9
2.222:12.111:1
Resolution480 x 854 pixels720 x 1280 pixels720 x 1600 pixels720 x 1520 pixels
Pixel density218 ppi
85 ppcm
294 ppi
115 ppcm
269 ppi
105 ppcm
271 ppi
106 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area58.84 %70.98 %83.51 %82.02 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
-2.5D curved glass screen
1000:1 contrast ratio
450 cd/m²
72% NTSC
Corning Gorilla Glass
2.5D curved glass screen
480 cd/m²
In-cell
2.5D curved glass screen
1500:1
70.8% NTSC

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer
Compass
-Fingerprint sensor model - Fingerprint Cards FPC1035--

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 model-Samsung S5K3L8-Sony IMX363 Exmor RS
Sensor type-ISOCELLCMOSCMOS
Sensor size-4.69 x 3.52 mm
0.23 in
--
Sensor format-1/3.1"-1/2.55"
Pixel size-1.127 µm
0.001127 mm
1.25 µm
0.001250 mm
1.4 µm
0.001400 mm
Crop factor-7.38--
Aperture-f/2f/1.8f/1.8
Focal length and 35 mm equivalent-3.57 mm
26.34 mm *(35 mm / full frame)
3.95 mm-
Number of lenses-556
Flash typeLEDLEDDual LEDLED
Image resolution2592 x 1944 pixels
5.04 MP
4160 x 3120 pixels
12.98 MP
4032 x 3096 pixels
12.48 MP
4032 x 3024 pixels
12.19 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
Self-timer
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)
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
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)
-Pixel size - 1.12 µm
Sensor type - ISOCELL Fast
4x digital zoom
Secondary rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#4)
Phase detection with Dual Pixel

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-OmniVision OV5675--
Sensor type-PureCel-CMOS
Sensor size-2.98 x 2.21 mm
0.15 in
--
Sensor format-1/5"--
Pixel size-1.12 µm
0.001120 mm
1.12 µm
0.001120 mm
1.12 µm
0.001120 mm
Crop factor-11.66--
Aperture-f/2.2f/2.4f/2
Focal length and 35 mm equivalent-2.64 mm
30.79 mm *(35 mm / full frame)
--
Number of lenses--5-
Image resolution-2592 x 1944 pixels
5.04 MP
2560 x 1920 pixels
4.92 MP
3264 x 2448 pixels
7.99 MP
Video resolution640 x 480 pixels
0.31 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS-30 fps30 fps-
Features--Face unlock
HDR
Face unlock
0.3 MP---

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
0.82 CC acoustic chamber

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

Wi-Fi

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

Wi-Fi802.11b
802.11g
802.11n
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
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.

Version4.04.25.04.2
FeaturesA2DP
AVCTP
AVDTP
AVRCP
DUN
FTP
HFP
HSP
MAP
OPP
PAN
PBAP
SAP
A2DP
HID
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 typeMicro USBMicro USBMicro USBUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Charging
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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
ANT+
Computer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
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
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
eAAC+
MIDI
MP3
OGG
AAC
AC3
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
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

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
H.263
H.264
MP4
WebM
3GPP
AVI
H.263
H.264
MKV
MP4
VC-1
VP8
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.

Capacity2330 mAh4100 mAh5000 mAh5000 mAh
TypeLi-IonLi-PolymerLi-PolymerLi-Polymer
2G talk time12 h 20 min
12.3 h
739.8 min
0.5 days
36 h
2160 min
1.5 days
--
2G stand-by time508 h
30480 min
21.2 days
432 h
25920 min
18 days
--
3G talk time8 h 41 min
8.7 h
520.8 min
0.4 days
18 h
1080 min
0.8 days
43 h 54 min
43.9 h
2634 min
1.8 days
-
3G stand-by time505 h
30300 min
21 days
432 h
25920 min
18 days
727 h 42 min
727.7 h
43662 min
30.3 days
-
4G stand-by time-432 h
25920 min
18 days
--
Charger output power-5 V / 2 A5 V / 2 A5 V / 2 A
9 V / 2 A
Quick charge technology---Qualcomm Quick Charge 3.0
FeaturesNon-removableNon-removableFast charging
Non-removable
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)0.939 W/kg0.583 W/kg-0.231 W/kg
Body SAR (EU)0.827 W/kg1.5 W/kg-1.48 W/kg
Head SAR (USA)1.069 W/kg0.75 W/kg-0.478 W/kg
Body SAR (USA)0.964 W/kg0.612 W/kg-1.074 W/kg

Additional features

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

Additional features--Splash resistantMZB8298IN - SAR (Specific Absorption Rate) India: head - 0.339 W/kg; body - 1.000 W/kg
P2i nano-coating
 Sony Xperia E3 DualXiaomi Redmi 4XRealme C3Xiaomi Redmi 8A