Comparison between:
- Fairphone 4
- Fairphone 3+
- Cubot King Kong Mini2

Brand and model

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

Fairphone 4Fairphone 3+Cubot King Kong Mini2
Fairphone 4Fairphone 3+Cubot King Kong Mini2
Model alias-Fairphone 3 Plus-

Design

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

Width75.5 mm
7.55 cm
0.248 ft
2.972 in
71.8 mm
7.18 cm
0.236 ft
2.827 in
58 mm
5.8 cm
0.19 ft
2.283 in
Height162 mm
16.2 cm
0.531 ft
6.378 in
158 mm
15.8 cm
0.518 ft
6.22 in
119 mm
11.9 cm
0.39 ft
4.685 in
Thickness10.5 mm
1.05 cm
0.034 ft
0.413 in
9.89 mm
0.989 cm
0.032 ft
0.389 in
12.1 mm
1.21 cm
0.04 ft
0.476 in
Weight225 g
0.5 lbs
7.94 oz
189 g
0.42 lbs
6.67 oz
-
Volume128.43 cm³
7.8 in³
112.2 cm³
6.81 in³
83.51 cm³
5.07 in³
ColorsGray
Green
Speckled Green
BlackRed/Black
Orange/Black
Body materialsPolycarbonatePolycarbonatePolycarbonate
Rubber
CertificationIP54--

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
eSIM
Nano-SIMNano-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)
W-CDMA--W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
UMTSUMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1700 MHz (B4)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
UMTS 800 MHz (B6)
UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1700 MHz (B4)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
-
LTELTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B18)
LTE-FDD 850 MHz (B19)
LTE-FDD 850 MHz (B26)
LTE-FDD 900 MHz (B8)
LTE-FDD 1500 MHz (B32)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B26)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-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)
5G NR5G-FDD 600 MHz (n71)
5G-FDD 700 MHz (n28)
5G-FDD 800 MHz (n20)
5G-FDD 850 MHz (n5)
5G-FDD 900 MHz (n8)
5G-FDD 1800 MHz (n3)
5G-FDD 2100 MHz (n1)
5G-TDD 2500 MHz (n41)
5G-FDD 2600 MHz (n7)
5G-TDD 2600 MHz (n38)
5G-TDD 3500 MHz (n78)
5G-TDD 3700 MHz (n77)
--

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
HSPA+
LTE Cat 18
5G NSA
5G SA
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 11Android 10Android 10

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.

SoCQualcomm Snapdragon 750GQualcomm Snapdragon 632MediaTek Helio A22 (MT6761)
Process technology8 nm14 nm12 nm
CPU2x 2.2 GHz ARM Cortex-A77, 6x 1.85 GHz ARM Cortex-A554x 1.8 GHz Kryo 250, 4x 1.8 GHz Kryo 250ARM Cortex-A53
CPU bits32 bit32 bit64 bit
Instruction setARMv8-AARMv8ARMv8-A
CPU cores884
CPU frequency2200 MHz1800 MHz2000 MHz
GPUQualcomm Adreno 619Qualcomm Adreno 506PowerVR GE8300
RAM capacity6 GB
8 GB
4 GB3 GB
RAM typeLPDDR4XLPDDR4LPDDR3
RAM channelsDouble channelDouble channelSingle channel
RAM frequency2133 MHz1600 MHz933 MHz

Storage

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

Storage128 GB
256 GB
64 GB32 GB
eMMC 5.1eMMC 5.1-

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 size6.3 in
160.02 mm
16 cm
5.65 in
143.51 mm
14.35 cm
4 in
101.6 mm
10.16 cm
Width2.64 in
67.06 mm
6.71 cm
2.53 in
64.18 mm
6.42 cm
1.79 in
45.44 mm
4.54 cm
Height5.72 in
145.29 mm
14.53 cm
5.05 in
128.36 mm
12.84 cm
3.58 in
90.87 mm
9.09 cm
Aspect ratio2.167:12:1
2:1 (18:9)
2:1
2:1 (18:9)
Resolution1080 x 2340 pixels1080 x 2160 pixels540 x 1080 pixels
Pixel density409 ppi
160 ppcm
427 ppi
167 ppcm
302 ppi
118 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area79.91 %72.85 %60.02 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 5 - 0.7 mm
Fully laminated
Pixelworks technology
Corning Gorilla Glass 590% NTSC
1300:1
450
GFF full lamination

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Geomagnetic
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 modelSony IMX582 Exmor RS--
Sensor typeCMOSCMOSCMOS
Sensor format1/2"1/2"-
Pixel size0.8 µm
0.000800 mm
0.8 µm
0.000800 mm
-
ISO--100 - 1600
Aperturef/1.6f/1.79f/2.2
Flash typeDual LEDDual LEDDual LED
Image resolution8000 x 6000 pixels
48 MP
8000 x 6000 pixels
48 MP
4160 x 3120 pixels
12.98 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
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
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
Color sensor
ToF sensor
8x digital zoom
Secondary rear camera - 48 MP
Photo output - 12 MP (#2)
Macro focus (#2)
Autofocus (#2)
Color sensor (#2)
ToF sensor (#2)
Angle of view - 120° (#2)
--

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 modelSony IMX576 Exmor RS--
Sensor typeCMOSCMOSCMOS BSI
Sensor format1/2.78"--
Aperturef/2.2f/2f/2.2
Number of lenses--4
Image resolution25 MP4608 x 3456 pixels
15.93 MP
3264 x 2448 pixels
7.99 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
FeaturesHDR
Face detection
Face unlock
Digital image stabilization
HDR
Face detection
Face unlock
Digital image stabilization
Face unlock
Color sensor
ToF sensor
8x digital zoom
--

Audio

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

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Loudspeaker
Earpiece
External speaker loudness - 98db @ 10cmd-Headphone adapter

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
Galileo
GPS
A-GPS
GLONASS
Galileo
GPS
A-GPS

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
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.

Version5.15.04.2
FeaturesA2DP
LE
A2DP
LE
A2DP

USB

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

Connector typeUSB Type-CUSB Type-CUSB Type-C
Version3.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
DisplayPort Alt Mode--

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 jackYesYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
Computer sync
OTA sync
Tethering
NFC
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-WB
eAAC+
FLAC
MP3
WAV
LC
AAC ELD
AMR-NB
Opus
Vorbis
ALAC
AIFF
AP
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
M4A
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/codecsH.263
VP9
Xvid
HEVC
H264
MEPG-2
Divx
3GPP
AVI
H.263
H.264
MKV
MP4
VP8
WMV
Xvid
3GPP
AVI
Flash Video
H.263
H.264
MKV
QuickTime
MP4
WebM
WMV
WMV9
Xvid

Battery

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

Capacity3905 mAh3040 mAh3000 mAh
TypeLi-IonLi-IonLi-Ion
4G talk time13 h
780 min
0.5 days
--
4G stand-by time200 h
12000 min
8.3 days
--
Charger output power5 V / 4 A-5 V / 2 A
FeaturesRemovableRemovableFast charging
Non-removable

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)0.494 W/kg0.41 W/kg0.45 W/kg
Body SAR (EU)0.993 W/kg1.41 W/kg-
 Fairphone 4Fairphone 3+Cubot King Kong Mini2