Comparison between:
- ZTE Blade A51
- ZTE Blade A71
- ZTE Blade A5 2020

Brand and model

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

ZTE Blade A51ZTE Blade A71ZTE Blade A5 2020
ZTE Blade A51ZTE Blade A71ZTE Blade A5 2020
Model alias-A7030Blade A5 (2020)

Design

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

Width75.6 mm
7.56 cm
0.248 ft
2.976 in
75.2 mm
7.52 cm
0.247 ft
2.961 in
72.6 mm
7.26 cm
0.238 ft
2.858 in
Height166.5 mm
16.65 cm
0.546 ft
6.555 in
165.2 mm
16.52 cm
0.542 ft
6.504 in
156.7 mm
15.67 cm
0.514 ft
6.169 in
Thickness8.5 mm
0.85 cm
0.028 ft
0.335 in
8.2 mm
0.82 cm
0.027 ft
0.323 in
8 mm
0.8 cm
0.026 ft
0.315 in
Weight173 g
0.38 lbs
6.13 oz
180 g
0.4 lbs
6.35 oz
155 g
0.34 lbs
5.47 oz
Volume106.99 cm³
6.5 in³
101.87 cm³
6.19 in³
91.01 cm³
5.53 in³
ColorsCobalt Blue
Granite Gray
Blue
Gray
Green
Black
Blue
Green
Body materialsPolycarbonatePolycarbonatePlastic

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-SIM
Number of SIM cards222
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)

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)
UMTSUMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1800 MHz (B3)
UMTS 1900 MHz (B2)
UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1800 MHz (B3)
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 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 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 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 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
HSPA+
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4

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 11 Go editionAndroid 11Android 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 SC9863AUnisoc SC9863AUnisoc SC9863A
Process technology28 nm28 nm28 nm
CPU4x 1.6 GHz ARM Cortex-A55, 4x 1.2 GHz ARM Cortex-A554x 1.6 GHz ARM Cortex-A55, 4x 1.2 GHz ARM Cortex-A554x 1.6 GHz ARM Cortex-A55, 4x 1.2 GHz ARM Cortex-A55
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-A
CPU cores888
CPU frequency1600 MHz1600 MHz1600 MHz
GPUPowerVR GE8322PowerVR GE8322PowerVR GE8322
RAM capacity2 GB3 GB2 GB
RAM type-LPDDR4-

Storage

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

Storage32 GB
64 GB
64 GB32 GB
eMMCeMMC-

Memory cards

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

TypesmicroSD
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/technologyIPSIPSIPS
Diagonal size6.52 in
165.53 mm
16.55 cm
6.52 in
165.61 mm
16.56 cm
6.09 in
154.64 mm
15.46 cm
Width2.67 in
67.93 mm
6.79 cm
2.68 in
67.96 mm
6.8 cm
2.55 in
64.8 mm
6.48 cm
Height5.94 in
150.95 mm
15.1 cm
5.95 in
151.02 mm
15.1 cm
5.53 in
140.4 mm
14.04 cm
Aspect ratio2.222:12.222:12.167:1
Resolution720 x 1600 pixels720 x 1600 pixels720 x 1560 pixels
Pixel density269 ppi
105 ppcm
269 ppi
105 ppcm
282 ppi
110 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area81.73 %82.88 %80.23 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch

Sensors

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

SensorsProximity
Light
Accelerometer
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
-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 typeCMOSCMOSCMOS
Pixel size-1.12 µm
0.001120 mm
-
Aperture-f/1.8f/2
Field of view-80 °-
Flash typeLEDLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
4608 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
1920 x 1080 pixels
2.07 MP
Video 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
Phase detection autofocus (PDAF)
Autofocus
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
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Secondary rear camera - 2 MP (depth-sensing)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)

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 type--CMOS
Pixel size1 µm
0.001000 mm
1 µm
0.001000 mm
-
Aperturef/2f/2f/2.4
Image resolution2560 x 1920 pixels
4.92 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps
FeaturesFace unlock
Face detection
Face unlockFace unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GPS
A-GPS

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
802.11b
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.

Version4.24.24.2
FeaturesA2DPA2DPA2DP

USB

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

Connector typeUSB Type-CUSB Type-CMicro USB
Version2.02.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
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 jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
VoLTE
Computer 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
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
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
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
AVI
H.263
H.264
MKV
MP4
WMV
Xvid
3GPP
AVI
H.263
H.264
MKV
MP4
WMV
Xvid
3GPP
AVI
H.263
H.264
MKV
MP4
WMV
Xvid

Battery

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

Capacity3200 mAh4000 mAh3200 mAh
TypeLi-PolymerLi-PolymerLi-Ion
2G talk time-35 h
2100 min
1.5 days
-
2G stand-by time-900 h
54000 min
37.5 days
-
3G talk time-16 h 30 min
16.5 h
990 min
0.7 days
-
3G stand-by time-730 h
43800 min
30.4 days
-
4G stand-by time-680 h
40800 min
28.3 days
-
Charger output power5 V / 2 A5 V / 2 A5 V / 2 A
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
 ZTE Blade A51ZTE Blade A71ZTE Blade A5 2020