Comparison between:
- Vsmart Joy 1
- Xiaomi Redmi 9A
- Realme C11
- Samsung Galaxy A03

Brand and model

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

Vsmart Joy 1Xiaomi Redmi 9ARealme C11Samsung Galaxy A03
Vsmart Joy 1Xiaomi Redmi 9A
Prices
Realme C11
Prices
Samsung Galaxy A03
Model aliasJoy1
PQ4001
M2006C3LG
M2006C3LI
M2006C3LC
RMX2185-

Design

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

Width70.94 mm
7.094 cm
0.233 ft
2.793 in
75.9 mm
7.59 cm
0.249 ft
2.988 in
75.9 mm
7.59 cm
0.249 ft
2.988 in
75.9 mm
7.59 cm
0.249 ft
2.988 in
Height144.58 mm
14.458 cm
0.474 ft
5.692 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
164.2 mm
16.42 cm
0.539 ft
6.465 in
Thickness8.3 mm
0.83 cm
0.027 ft
0.327 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
9.1 mm
0.91 cm
0.03 ft
0.358 in
Weight150 g
0.33 lbs
5.29 oz
196 g
0.43 lbs
6.91 oz
196 g
0.43 lbs
6.91 oz
196 g
0.43 lbs
6.91 oz
Volume85.13 cm³
5.17 in³
113.55 cm³
6.9 in³
113.55 cm³
6.9 in³
113.41 cm³
6.89 in³
ColorsBlack
White
Granite Gray
Peacook Green
Sky Blue
Mint Green
Pepper Grey
Black
Blue
Red
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-SIM
Nano-SIM / microSD
Nano-SIMNano-SIMNano-SIM
Number of SIM cards2222
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)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 (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)
W-CDMA-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)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
UMTSUMTS 900 MHz
UMTS 2100 MHz
---
LTELTE 800 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)
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)

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 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
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)VOS (Android 8.1 Oreo)MIUI 12 (Android 10)Android 10Android 11
User interface (UI)--realme UI 1.0One UI 3.1 Core

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 435 MSM8940MediaTek Helio G25MediaTek Helio G35Samsung Exynos 7 Octa 7884B
Process technology28 nm12 nm12 nm14 nm
CPU4x 1.4 GHz ARM Cortex-A53, 4x 1.1 GHz ARM Cortex-A53ARM Cortex-A534x 2.3 GHz Cortex-A53, 4x 1.8 GHz Cortex-A532x 1.6 GHz ARM Cortex-A73, 6x 1.6 GHz ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8.2-AARMv8.2-AARMv8-A
CPU cores8888
CPU frequency1400 MHz2000 MHz2300 MHz1600 MHz
GPUQualcomm Adreno 505IMG PowerVR GE8320IMG PowerVR GE8320ARM Mali-G71
GPU frequency450 MHz650 MHz680 MHz-
RAM capacity3 GB2 GB2 GB3 GB
4 GB
RAM typeLPDDR3LPDDR3LPDDR4X-
RAM channelsSingle channelSingle channelSingle channel-
RAM frequency800 MHz933 MHz1800 MHz-

Storage

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

Storage32 GB32 GB32 GB32 GB
64 GB
-eMMC 5.1eMMC 5.1-

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
miniSD
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/technologyIPSIPSIPSTFT
Diagonal size5.45 in
138.43 mm
13.84 cm
6.53 in
165.86 mm
16.59 cm
6.52 in
165.61 mm
16.56 cm
6.5 in
165.1 mm
16.51 cm
Width2.44 in
61.91 mm
6.19 cm
2.68 in
68.06 mm
6.81 cm
2.73 in
69.4 mm
6.94 cm
2.67 in
67.75 mm
6.78 cm
Height4.87 in
123.82 mm
12.38 cm
5.95 in
151.25 mm
15.13 cm
5.92 in
150.37 mm
15.04 cm
5.93 in
150.56 mm
15.06 cm
Aspect ratio2:1
2:1 (18:9)
2.222:12.167:12.222:1
Resolution720 x 1440 pixels720 x 1600 pixels720 x 1560 pixels720 x 1600 pixels
Pixel density295 ppi
115 ppcm
269 ppi
105 ppcm
264 ppi
103 ppcm
270 ppi
106 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area74.98 %82.77 %83.9 %82.11 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
2.5D curved glass screen
450 cd/m²
85% NTSC
2.5D curved glass screen2.5D curved glass screenInfinity-V Display

Sensors

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

SensorsProximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer

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 S5K3L6---
Sensor typeISOCELLCMOSCMOSCMOS
Sensor format1/3.1"--1/2"
Pixel size1.12 µm
0.001120 mm
1.12 µm
0.001120 mm
-0.8 µm
0.000800 mm
ISO100 - 1600---
Aperturef/2f/1.8f/2.2f/1.8
Shutter speed1/2 - 1/6400---
Number of lenses5---
Flash typeLEDLEDLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
8000 x 6000 pixels
48 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
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
RAW
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
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
Macro mode
--Secondary rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#2)
Secondary rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#2)
Pixel size - 1.75 µm (#2)

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 modelHynix Hi-556---
Sensor type---CMOS
Sensor format1/5"---
Pixel size1.12 µm
0.001120 mm
---
Aperturef/2f/2.4f/2.4f/2.2
Focal length and 35 mm equivalent-27 mm *(35 mm / full frame)27 mm *(35 mm / full frame)-
Auxiliary lightLED---
Image resolution2592 x 1944 pixels
5.04 MP
1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace unlockFace unlock
HDR
Face 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--Dolby Atmos

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
GPS
A-GPS
GLONASS
BeiDou
Galileo
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
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot

Bluetooth

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

Version4.25.05.05.0
FeaturesA2DPA2DP
EDR
HID
LE
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 USBMicro 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

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
Computer sync
OTA sync
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
AMR
aptX
eAAC+
FLAC
M4A
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
LDAC
AAC
AMR
AMR-WB
eAAC+
FLAC
M4A
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
Flash Video
MKV
QuickTime
MP4
WebM
WMV
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
3GPP2
AVI
Flash Video
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
VP9
WebM
WMV
WMV7
WMV8
Xvid

Battery

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

Capacity3000 mAh5000 mAh5000 mAh5000 mAh
TypeLi-IonLi-PolymerLi-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 / 1 A5 V / 2 A5 V / 2 A5 V / 1.5 A
FeaturesNon-removableFast charging
Non-removable
Fast 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)-0.398 W/kg--
Body SAR (EU)-1.186 W/kg--
Head SAR (USA)-0.901 W/kg--
Body SAR (USA)-0.647 W/kg--
 Vsmart Joy 1Xiaomi Redmi 9ARealme C11Samsung Galaxy A03