Comparison between:
- ZTE Blade A71
- Oppo A12

Brand and model

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

ZTE Blade A71Oppo A12
ZTE Blade A71Oppo A12
Model aliasA7030CPH2083
CPH2077

Design

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

Width75.2 mm
7.52 cm
0.247 ft
2.961 in
75.5 mm
7.55 cm
0.248 ft
2.972 in
Height165.2 mm
16.52 cm
0.542 ft
6.504 in
155.9 mm
15.59 cm
0.511 ft
6.138 in
Thickness8.2 mm
0.82 cm
0.027 ft
0.323 in
8.3 mm
0.83 cm
0.027 ft
0.327 in
Weight180 g
0.4 lbs
6.35 oz
165 g
0.36 lbs
5.82 oz
Volume101.87 cm³
6.19 in³
97.69 cm³
5.93 in³
ColorsBlue
Gray
Green
Blue
Black
Body materialsPolycarbonatePlastic

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
Number of SIM cards22
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)

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)
W-CDMA-W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
UMTSUMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1800 MHz (B3)
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 1800 MHz (B3)
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 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 6
UMTS
EDGE
GPRS
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)Android 11ColorOS 6.1.2 (Android 9.0 Pie)

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.

SoCUnisoc SC9863AMediaTek Helio P35 (MT6765V/CB)
Process technology28 nm12 nm
CPU4x 1.6 GHz ARM Cortex-A55, 4x 1.2 GHz ARM Cortex-A554x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53
CPU bits64 bit64 bit
Instruction setARMv8-AARMv8-A
CPU cores88
CPU frequency1600 MHz2300 MHz
GPUPowerVR GE8322PowerVR GE8320
GPU frequency-680 MHz
RAM capacity3 GB3 GB
4 GB
RAM typeLPDDR4LPDDR4X
RAM channels-Double channel
RAM frequency-1866 MHz

Storage

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

Storage64 GB32 GB
64 GB
eMMC-

Memory cards

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

TypesmicroSD
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/technologyIPSIPS
Diagonal size6.52 in
165.61 mm
16.56 cm
6.22 in
157.99 mm
15.8 cm
Width2.68 in
67.96 mm
6.8 cm
2.66 in
67.63 mm
6.76 cm
Height5.95 in
151.02 mm
15.1 cm
5.62 in
142.78 mm
14.28 cm
Aspect ratio2.222:12.111:1
Resolution720 x 1600 pixels720 x 1520 pixels
Pixel density269 ppi
105 ppcm
270 ppi
106 ppcm
Color depth24 bit
16777216 colors
-
Display area82.88 %82.31 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
-In-cell
2.5D curved glass screen
Corning Gorilla Glass 3
450 cd/m²
1500:1

Sensors

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

SensorsProximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Side-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 typeCMOSCMOS
Sensor format-1/3"
Pixel size1.12 µm
0.001120 mm
1.12 µm
0.001120 mm
Aperturef/1.8f/2.2
Field of view80 °-
Flash typeLEDDual LED
Image resolution4608 x 3456 pixels
15.93 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video 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
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)
Night Mode
Secondary rear camera - 2 MP (depth-sensing)
Third rear camera - 8 MP (ultra-wde)
Angle of view - 120° (#3)
Secondary rear camera - 2 MP (depth-sensing)
Sensor size - 1/5" (#3)
Pixel size - 1.75 µm (#3)
Aperture - f/2.4 (#3)

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 format-1/5"
Pixel size1 µm
0.001000 mm
1.12 µm
0.001120 mm
Aperturef/2f/2.4
Image resolution3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps
FeaturesFace unlockFace unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
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-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot

Bluetooth

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

Version4.25.0
FeaturesA2DPA2DP
LE

USB

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

Connector typeUSB Type-CMicro USB
Version2.02.0
FeaturesCharging
Host
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
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

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
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
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
H.263
H.264
MKV
MP4
WMV
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.

Capacity4000 mAh4230 mAh
TypeLi-PolymerLi-Polymer
2G talk time35 h
2100 min
1.5 days
-
2G stand-by time900 h
54000 min
37.5 days
-
3G talk time16 h 30 min
16.5 h
990 min
0.7 days
-
3G stand-by time730 h
43800 min
30.4 days
-
4G stand-by time680 h
40800 min
28.3 days
-
Charger output power5 V / 2 A-
FeaturesFast charging
Non-removable
Fast charging
Non-removable
 ZTE Blade A71Oppo A12