Comparison between:
- Vivo Y21 (2021)
- Oppo A16
- Wiko Power U30
- Samsung Galaxy A03

Brand and model

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

Vivo Y21 (2021)Oppo A16Wiko Power U30Samsung Galaxy A03
Vivo Y21 (2021)Oppo A16Wiko Power U30Samsung Galaxy A03

Design

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

Width76.08 mm
7.608 cm
0.25 ft
2.995 in
75.6 mm
7.56 cm
0.248 ft
2.976 in
78.6 mm
7.86 cm
0.258 ft
3.094 in
75.9 mm
7.59 cm
0.249 ft
2.988 in
Height164.26 mm
16.426 cm
0.539 ft
6.467 in
163.88 mm
16.388 cm
0.538 ft
6.452 in
173.8 mm
17.38 cm
0.57 ft
6.843 in
164.2 mm
16.42 cm
0.539 ft
6.465 in
Thickness8 mm
0.8 cm
0.026 ft
0.315 in
8.4 mm
0.84 cm
0.028 ft
0.331 in
9.45 mm
0.945 cm
0.031 ft
0.372 in
9.1 mm
0.91 cm
0.03 ft
0.358 in
Weight182 g
0.4 lbs
6.42 oz
190 g
0.42 lbs
6.7 oz
214 g
0.47 lbs
7.55 oz
196 g
0.43 lbs
6.91 oz
Volume99.98 cm³
6.07 in³
104.07 cm³
6.32 in³
129.09 cm³
7.84 in³
113.41 cm³
6.89 in³
ColorsDiamond Glow
Midnight Blue
Pearl Blue
Crystal Black
Carbon Blue
Midnight Blue
Mint
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-SIM
Nano-SIM / microSD
Nano-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 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-CDMAW-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)
UMTS--UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
-
LTELTE-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 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 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
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
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
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)FunTouch OS 11.1 (Android 11)ColorOS 11.1 (Android 11)Android 11Android 11
User interface (UI)---One 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.

SoCMediaTek Helio P35 (MT6765)MediaTek Helio G35MediaTek Helio G35Samsung Exynos 7 Octa 7884B
Process technology12 nm12 nm12 nm14 nm
CPU4x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A534x 2.3 GHz Cortex-A53, 4x 1.8 GHz 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 setARMv8-AARMv8.2-AARMv8.2-AARMv8-A
CPU cores8888
CPU frequency2300 MHz2300 MHz2300 MHz1600 MHz
GPUPowerVR GE8320IMG PowerVR GE8320IMG PowerVR GE8320ARM Mali-G71
GPU frequency680 MHz680 MHz680 MHz-
RAM capacity4 GB3 GB
4 GB
4 GB3 GB
4 GB
RAM typeLPDDR4XLPDDR4XLPDDR4X-
RAM channelsDouble channelDouble channelDouble channel-
RAM frequency1866 MHz1866 MHz1800 MHz-
Multi-Turbo 5.0
Ultra Game Mode
---

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 5.1--

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
miniSD
microSDHC
microSDXC
microSD
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 size6.51 in
165.35 mm
16.54 cm
6.52 in
165.61 mm
16.56 cm
6.82 in
173.23 mm
17.32 cm
6.5 in
165.1 mm
16.51 cm
Width2.67 in
67.86 mm
6.79 cm
2.68 in
67.96 mm
6.8 cm
2.74 in
69.64 mm
6.96 cm
2.67 in
67.75 mm
6.78 cm
Height5.94 in
150.79 mm
15.08 cm
5.95 in
151.02 mm
15.1 cm
6.24 in
158.62 mm
15.86 cm
5.93 in
150.56 mm
15.06 cm
Aspect ratio2.222:12.222:12.278:12.222:1
Resolution720 x 1600 pixels720 x 1600 pixels720 x 1640 pixels720 x 1600 pixels
Pixel density270 ppi
106 ppcm
269 ppi
105 ppcm
263 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 area82.14 %83.11 %81.12 %82.11 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
2.5D curved glass screen
Halo FullView Display
Eye Protection Mode
2.5D curved glass screen
71% NTSC
480 cd/m²
1500:1
2.5D 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
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Pedometer
Geomagnetic
Fingerprint
Gravity
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
Side-mounted fingerprint sensorSide-mounted fingerprint sensor--

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 typeCMOSCMOSCMOSCMOS
Sensor format--1/3.1"1/2"
Pixel size-1.2 µm
0.001200 mm
-0.8 µm
0.000800 mm
ISO--100 - 16000-
Aperturef/2.2f/2.2f/2f/1.8
Focal length and 35 mm equivalent--3.54 mm-
Field of view-80 °--
Number of lenses55--
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
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
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
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 (macro)
4 cm shooting distance (#2)
Aperture size - f/2.4 (#2)
3-element lens (#2)
Secondary rear camera - 2 MP (macro)
Aperture size - f/2.4 (#2)
3-element lens (#2)
Angle of view - 89° (#2)
Third rear camera - 2 MP (depth-sensing)
Aperture size - f/2.4 (#3)
3-element lens (#3)
Angle of view - 89° (#3)
Secondary rear camera - 2 MP (depth-sensing)
Third rear camera - AI lens
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 typeCMOSCMOS-CMOS
Pixel size-1.12 µm
0.001120 mm
--
Aperturef/2f/2f/2.2f/2.2
Field of view-79 °--
Number of lenses-5--
Image resolution3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace 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
---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
BeiDou
Galileo
GPS
A-GPS
GLONASS
BeiDou
Galileo
QZSS
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-Fi802.11a
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
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.

Version5.05.04.25.0
FeaturesA2DP
LE
A2DP
EDR
HID
LE
A2DPA2DP
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

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
VoLTE
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/codecsFLAC
MIDI
MP3
WAV
MP2
AMR-NB
Vorbis
APE
AAC
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
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/codecsAVI
MKV
MP4
3GP
FLV
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
DivX
H.263
H.264
MKV
QuickTime
MP4
VP8
WMV
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.

Capacity5000 mAh5000 mAh6000 mAh5000 mAh
TypeLi-IonLi-PolymerLi-PolymerLi-Ion
2G talk time--77 h 42 min
77.7 h
4662 min
3.2 days
-
3G talk time--74 h 36 min
74.6 h
4476 min
3.1 days
-
4G stand-by time--8199 h
491940 min
341.6 days
-
Charger output power9 V / 2 A9 V / 2 A5 V / 3 A5 V / 1.5 A
FeaturesFast charging
Non-removable
Fast 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)--0.577 W/kg-
Body SAR (EU)--1.362 W/kg-

Additional features

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

Additional features--Google Assistant button-
 Vivo Y21 (2021)Oppo A16Wiko Power U30Samsung Galaxy A03