Comparison between:
- Cubot Note 8
- Ulefone Note 8P
- ZTE Blade A31

Brand and model

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

Cubot Note 8Ulefone Note 8PZTE Blade A31
Cubot Note 8Ulefone Note 8P
Prices
ZTE Blade A31
Model alias-Note8P-

Design

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

Width65 mm
6.5 cm
0.213 ft
2.559 in
66.5 mm
6.65 cm
0.218 ft
2.618 in
70.7 mm
7.07 cm
0.232 ft
2.783 in
Height138 mm
13.8 cm
0.453 ft
5.433 in
141.7 mm
14.17 cm
0.465 ft
5.579 in
146 mm
14.6 cm
0.479 ft
5.748 in
Thickness10.8 mm
1.08 cm
0.035 ft
0.425 in
12 mm
1.2 cm
0.039 ft
0.472 in
9.3 mm
0.93 cm
0.031 ft
0.366 in
Weight143 g
0.32 lbs
5.04 oz
-166 g
0.37 lbs
5.86 oz
Volume96.88 cm³
5.88 in³
113.08 cm³
6.87 in³
96 cm³
5.83 in³
ColorsBlack
Green
Orange
Drak Gray
Teal
Dark Blue
Black
Body materialsPlasticPlasticPlastic

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIMNano-SIM
Micro-SIM
Nano-SIM
Nano-SIM / microSD
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)
W-CDMAW-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
LTELTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B19)
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 800 MHz (B20)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
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 7
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 5

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 11Android 10 Go editionAndroid 11 Go edition

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 MT6739WWMediaTek MT6737Unisoc SC9863A
Process technology28 nm28 nm28 nm
CPUARM Cortex-A53ARM Cortex-A534x 1.6 GHz ARM Cortex-A55, 4x 1.2 GHz ARM Cortex-A55
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB-
Level 2 cache memory (L2)-512 KB
0.5 MB
-
CPU cores448
CPU frequency1500 MHz1300 MHz1600 MHz
GPUPowerVR GE8100ARM Mali-T720 MP1PowerVR GE8322
GPU cores-1-
GPU frequency-600 MHz-
RAM capacity2 GB2 GB2 GB
RAM typeLPDDR3LPDDR3-
RAM channelsSingle channelSingle channel-
RAM frequency933 MHz667 MHz-

Storage

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

Storage16 GB16 GB32 GB

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 size5.5 in
139.7 mm
13.97 cm
5.5 in
139.7 mm
13.97 cm
5.45 in
138.43 mm
13.84 cm
Width2.3 in
58.43 mm
5.84 cm
2.3 in
58.43 mm
5.84 cm
2.44 in
61.91 mm
6.19 cm
Height5 in
126.9 mm
12.69 cm
5 in
126.9 mm
12.69 cm
4.87 in
123.82 mm
12.38 cm
Aspect ratio2.172:12.172:12:1
2:1 (18:9)
Resolution442 x 960 pixels442 x 960 pixels720 x 1440 pixels
Pixel density192 ppi
75 ppcm
192 ppi
75 ppcm
295 ppi
115 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area82.92 %78.93 %74.5 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
2.5D curved glass screen2.5D curved glass screen-

Sensors

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

SensorsProximity
Light
Accelerometer
Proximity
Light
Accelerometer
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 typeCMOSCMOS-
ISO-100 - 800-
Aperture-f/2-
Flash typeLEDDual LEDLED
Image resolution4160 x 3120 pixels
12.98 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 fps16 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
HDR
Touch focus
Face detection
Self-timer
Scene mode
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 - 0.3 MP (depth-sensing)
1A flash
Secondary rear camera - 2 MP-

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 typeCMOS--
ISO100 - 3200--
Aperturef/2.2f/2.2f/2.8
Focal length and 35 mm equivalent3.75 mm--
Field of view50 °--
Image resolution2560 x 1920 pixels
4.92 MP
1920 x 1088 pixels
2.09 MP
1920 x 1080 pixels
2.07 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps17 fps30 fps
FeaturesFace unlockFace unlock-
--Software interpolated to 5 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.

RadioNoYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
A-GPS
GLONASS
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
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
Wi-Fi Display
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.

Version4.25.04.2
FeaturesA2DP
LE
A2DPLE

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

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
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

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
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
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
Flash Video
H.263
H.264
MKV
QuickTime
MP4
WebM
WMV
WMV9
Xvid
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
WebM
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.

Capacity3100 mAh2700 mAh3000 mAh
TypeLi-IonLi-IonLi-Polymer
Charger output power5 V / 1.5 A5 V / 1 A-
FeaturesRemovableNon-removableNon-removable
 Cubot Note 8Ulefone Note 8PZTE Blade A31