Comparison between:
- Black Fox B4NFC
- Alcatel 1B (2020)

Brand and model

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

Black Fox B4NFCAlcatel 1B (2020)
Black Fox B4NFCAlcatel 1B (2020)
Model aliasBMM543S1B 2020

Design

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

Width65.5 mm
6.55 cm
0.215 ft
2.579 in
71.6 mm
7.16 cm
0.235 ft
2.819 in
Height137 mm
13.7 cm
0.449 ft
5.394 in
146.1 mm
14.61 cm
0.479 ft
5.752 in
Thickness10.5 mm
1.05 cm
0.034 ft
0.413 in
9.9 mm
0.99 cm
0.032 ft
0.39 in
Weight-168 g
0.37 lbs
5.93 oz
Volume94.22 cm³
5.72 in³
103.56 cm³
6.29 in³
ColorsBlack
Gold
Black
Teal
Body materialsPlasticPlastic

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
Micro-SIM
Nano-SIM
Nano-SIM / microSD
Number of SIM cards22
FeaturesDual 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)
UMTSUMTS 900 MHz (B8)
UMTS 2100 MHz (B1)
UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
LTELTE-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 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 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 4
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 9.0 PieAndroid 10 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 MT6739WA-
Process technology28 nm-
CPU4x 1.3 GHz ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit-
Instruction setARMv8-A-
CPU cores44
CPU frequency1300 MHz-
GPUIMG PowerVR GE8100Qualcomm Adreno 308
GPU frequency450 MHz485 MHz
RAM capacity2 GB2 GB
RAM typeLPDDR3-
RAM channelsSingle channel-
RAM frequency667 MHz-

Storage

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

Storage16 GB16 GB

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 size5 in
127 mm
12.7 cm
5.5 in
139.7 mm
13.97 cm
Width2.24 in
56.8 mm
5.68 cm
2.46 in
62.48 mm
6.25 cm
Height4.47 in
113.59 mm
11.36 cm
4.92 in
124.95 mm
12.5 cm
Aspect ratio2:1
2:1 (18:9)
2:1
2:1 (18:9)
Resolution480 x 960 pixels720 x 1440 pixels
Pixel density215 ppi
84 ppcm
293 ppi
115 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area72.13 %74.87 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
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
Fingerprint
Proximity
Light
Accelerometer
Compass

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-1/4"
Pixel size-1.12 µm
0.001120 mm
Aperture-f/2
Number of lenses-4
Flash typeDual LEDLED
Image resolution2560 x 1920 pixels
4.92 MP
3264 x 2448 pixels
7.99 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
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
Night Mode
Secondary rear camera - 0.3 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 format-1/5"
Pixel size-1.12 µm
0.001120 mm
Aperturef/2.8f/2.2
Number of lenses-3
Image resolution1920 x 1080 pixels
2.07 MP
2560 x 1920 pixels
4.92 MP
Video resolution640 x 480 pixels
0.31 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
Features-Face 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

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
Wi-Fi Direct
Wi-Fi Display

Bluetooth

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

Version4.25.0
FeaturesEDR
LE
A2DP
LE

USB

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

Connector typeMicro USBMicro USB
Version2.02.0
FeaturesCharging
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
Computer sync
OTA sync
Infrared
Tethering

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
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
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
MP4
Xvid
3GPP
AVI
MP4
VP8

Battery

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

Capacity2000 mAh3000 mAh
TypeLi-IonLi-Polymer
2G talk time-39 h 24 min
39.4 h
2364 min
1.6 days
2G stand-by time-759 h
45540 min
31.6 days
3G talk time-26 h 24 min
26.4 h
1584 min
1.1 days
3G stand-by time-716 h
42960 min
29.8 days
4G talk time-12 h 30 min
12.5 h
750 min
0.5 days
4G stand-by time-451 h
27060 min
18.8 days
Charger output power5 V / 1 A-
FeaturesRemovableNon-removable
 Black Fox B4NFCAlcatel 1B (2020)