Comparison between:
- ZTE Blade A1
- ZTE Blade A31
- ZTE Blade A51 Lite

Brand and model

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

ZTE Blade A1ZTE Blade A31ZTE Blade A51 Lite
ZTE Blade A1ZTE Blade A31ZTE Blade A51 Lite
Model aliasC880U--

Design

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

Width70.2 mm
7.02 cm
0.23 ft
2.764 in
70.7 mm
7.07 cm
0.232 ft
2.783 in
72.6 mm
7.26 cm
0.238 ft
2.858 in
Height142 mm
14.2 cm
0.466 ft
5.591 in
146 mm
14.6 cm
0.479 ft
5.748 in
156.7 mm
15.67 cm
0.514 ft
6.169 in
Thickness8.9 mm
0.89 cm
0.029 ft
0.35 in
9.3 mm
0.93 cm
0.031 ft
0.366 in
8 mm
0.8 cm
0.026 ft
0.315 in
Weight137 g
0.3 lbs
4.83 oz
166 g
0.37 lbs
5.86 oz
156 g
0.34 lbs
5.5 oz
Volume88.72 cm³
5.39 in³
96 cm³
5.83 in³
91.01 cm³
5.53 in³
ColorsWhite
Yellow
Blue
Green
Gray
Dark Blue
Black
Black
Green
Blue
Body materialsPlasticPlasticPolycarbonate

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 / microSD
Nano-SIM
Nano-SIM
Nano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Number of SIM cards222
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 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)
W-CDMA-W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
-
TD-SCDMATD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
--
UMTS--UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1800 MHz (B3)
UMTS 1900 MHz (B2)
LTELTE-TDD 1900 MHz (B39)
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)
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 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 technologiesEDGE
GPRS
LTE Cat 4
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 5
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6

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 5.1 LollipopAndroid 11 Go editionAndroid 11 Go edition
User interface (UI)MiFavor 3.2--

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 MT6735Unisoc SC9863AUnisoc SC9863A
Process technology28 nm28 nm28 nm
CPU4x 1.3 GHz ARM Cortex-A534x 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-AARMv8.2-AARMv8.2-A
Level 1 cache memory (L1)32 KB + 32 KB--
Level 2 cache memory (L2)512 KB
0.5 MB
--
CPU cores488
CPU frequency1300 MHz1600 MHz1600 MHz
GPUARM Mali-T720 MP2PowerVR GE8322 / IMG8322PowerVR GE8322 / IMG8322
GPU cores222
GPU frequency600 MHz550 MHz550 MHz
RAM capacity2 GB2 GB2 GB
RAM typeLPDDR3LPDDR4/LPDDR4XLPDDR4/LPDDR4X
RAM channelsSingle channelDouble channelDouble channel
RAM frequency640 MHz1600 MHz1600 MHz

Storage

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

Storage16 GB32 GB32 GB
--eMMC

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 size5 in
127 mm
12.7 cm
5.45 in
138.43 mm
13.84 cm
6.09 in
154.64 mm
15.46 cm
Width2.45 in
62.26 mm
6.23 cm
2.44 in
61.91 mm
6.19 cm
2.55 in
64.8 mm
6.48 cm
Height4.36 in
110.69 mm
11.07 cm
4.87 in
123.82 mm
12.38 cm
5.53 in
140.4 mm
14.04 cm
Aspect ratio1.778:1
16:9
2:1
2:1 (18:9)
2.167:1
Resolution720 x 1280 pixels720 x 1440 pixels720 x 1560 pixels
Pixel density294 ppi
115 ppcm
295 ppi
115 ppcm
282 ppi
110 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area69.36 %74.5 %80.23 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
OGS (One Glass Solution)--

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
Fingerprint sensor model - Fingerprint Cards FPC1025--

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 typeCMOS-CMOS
Aperturef/2.2--
Number of lenses5--
Flash typeLEDLEDLED
Image resolution4128 x 3096 pixels
12.78 MP
3264 x 2448 pixels
7.99 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 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
-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)
Blue filter glass-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.

Pixel size--1 µm
0.001000 mm
Aperture-f/2.8f/2
Image resolution3264 x 2448 pixels
7.99 MP
1920 x 1080 pixels
2.07 MP
2560 x 1920 pixels
4.92 MP
Video resolution-640 x 480 pixels
0.31 MP
1920 x 1080 pixels
2.07 MP
Video FPS-30 fps30 fps
Features--Face unlock
Face detection
-Software interpolated to 5 MPSoftware interpolated to 8 MP

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
GPS
A-GPS
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
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.

Version4.04.24.2
FeaturesA2DPLEA2DP

USB

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

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
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
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
NFC
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
AAC+
AMR
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
DivX
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.

Capacity2800 mAh3000 mAh3200 mAh
TypeLi-IonLi-PolymerLi-Polymer
2G talk time22 h
1320 min
0.9 days
--
2G stand-by time300 h
18000 min
12.5 days
--
3G talk time22 h
1320 min
0.9 days
--
3G stand-by time300 h
18000 min
12.5 days
--
Charger output power5 V / 1 A-5 V / 1 A
FeaturesNon-removableNon-removableNon-removable
 ZTE Blade A1ZTE Blade A31ZTE Blade A51 Lite