Comparison between:
- Zoji Z7
- HomTom HT20 Pro
- Kenxinda Proofings W9
- Kenxinda Proofings W7

Brand and model

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

Zoji Z7

Zoji Z7

Dimensions: 79 x 154.9 x 11.9 mm
SoC: MediaTek MT6737
CPU: ARM Cortex-A53, 1300 MHz, Cores: 4
GPU: ARM Mali-T720 MP2, 600 MHz
RAM: 2 GB, 640 MHz
Storage: 16 GB
Display: 5 in, IPS, 720 x 1280 pixels, 24 bit
Battery: 3000 mAh, Li-Polymer
OS: Android 6.0 Marshmallow
Camera: 3264 x 2448 pixels, 1280 x 720 pixels, 30 fps

Prices
HomTom HT20 Pro

HomTom HT20 Pro

Dimensions: 76 x 152 x 12.9 mm
Weight: 222 g
SoC: MediaTek MT6753
CPU: ARM Cortex-A53, 1300 MHz, Cores: 8
GPU: ARM Mali-T720 MP3, 450 MHz
RAM: 3 GB, 800 MHz
Storage: 32 GB
Display: 4.7 in, IPS, 720 x 1280 pixels, 24 bit
Battery: 3500 mAh, Li-Ion
OS: Android 6.0 Marshmallow
Camera: 4160 x 3120 pixels, 1280 x 720 pixels, 30 fps

Prices
Kenxinda Proofings W9

Kenxinda Proofings W9

Dimensions: 88.2 x 174.88 x 12.1 mm
Weight: 240 g
SoC: MediaTek MT6753
CPU: ARM Cortex-A53, 1300 MHz, Cores: 8
GPU: ARM Mali-T720 MP3, 450 MHz
RAM: 2 GB, 666 MHz
Storage: 16 GB
Display: 6 in, IPS, 1080 x 1920 pixels, 24 bit
Battery: 4000 mAh, Li-Polymer
OS: Android 5.1 Lollipop
Camera: 3264 x 2448 pixels, 1280 x 720 pixels, 30 fps

Kenxinda Proofings W7

Kenxinda Proofings W7

Dimensions: 79.25 x 150.3 x 13.7 mm
Weight: 210 g
SoC: MediaTek MT6735
CPU: ARM Cortex-A53, 1300 MHz, Cores: 4
GPU: ARM Mali-T720 MP2, 600 MHz
RAM: 2 GB, 640 MHz
Storage: 16 GB
Display: 5 in, IPS, 720 x 1280 pixels, 24 bit
Battery: 2800 mAh, Li-Polymer
OS: Android 5.1 Lollipop
Camera: 3264 x 2448 pixels, 1280 x 720 pixels, 30 fps

Prices
Model alias--Six Proofings W9Six Proofings W7

Design

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

Width79 mm
7.9 cm
0.26 ft
3.11 in
76 mm
7.6 cm
0.25 ft
2.99 in
88.2 mm
8.82 cm
0.29 ft
3.47 in
79.25 mm
7.93 cm
0.26 ft
3.12 in
Height154.9 mm
15.49 cm
0.51 ft
6.1 in
152 mm
15.2 cm
0.5 ft
5.98 in
174.88 mm
17.49 cm
0.57 ft
6.89 in
150.3 mm
15.03 cm
0.49 ft
5.92 in
Thickness11.9 mm
1.19 cm
0.04 ft
0.47 in
12.9 mm
1.29 cm
0.04 ft
0.51 in
12.1 mm
1.21 cm
0.04 ft
0.48 in
13.7 mm
1.37 cm
0.04 ft
0.54 in
Weight-222 g
0.49 lbs
7.83 oz
240 g
0.53 lbs
8.47 oz
210 g
0.46 lbs
7.41 oz
Volume145.62 cm³
8.84 in³
149.02 cm³
9.05 in³
186.64 cm³
11.33 in³
163.18 cm³
9.91 in³
ColorsBlack
Green
Orange
Black
White
Green
Orange
Gray
Yellow
Yellow
Black
Body materialsPolycarbonate
Metal
Magnesium alloy
Polycarbonate
--
CertificationIP68IP68IP68IP68

SIM card

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

SIM card typeMicro-SIM
Nano-SIM / microSD
Micro-SIMMicro-SIMMicro-SIM
Number of SIM cards-222
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)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
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMAW-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
LTELTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 700 MHz Class 17
LTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 700 MHz Class 17
LTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz

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
UMTS
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 6.0 MarshmallowAndroid 6.0 MarshmallowAndroid 5.1 LollipopAndroid 5.1 Lollipop

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 MT6737MediaTek MT6753MediaTek MT6753MediaTek MT6735
Process technology28 nm28 nm28 nm28 nm
CPUARM Cortex-A53ARM Cortex-A53ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)512 KB
0.5 MB
512 KB
0.5 MB
512 KB
0.5 MB
512 KB
0.5 MB
CPU cores4884
CPU frequency1300 MHz1300 MHz1300 MHz1300 MHz
GPUARM Mali-T720 MP2ARM Mali-T720 MP3ARM Mali-T720 MP3ARM Mali-T720 MP2
GPU cores2332
GPU frequency600 MHz450 MHz450 MHz600 MHz
RAM capacity2 GB3 GB2 GB2 GB
RAM typeLPDDR3LPDDR3LPDDR3LPDDR3
RAM channelsSingle channelSingle channelSingle channelSingle channel
RAM frequency640 MHz800 MHz666 MHz640 MHz

Storage

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

Storage16 GB32 GB16 GB16 GB

Memory cards

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

TypesmicroSD
microSDHC
microSD
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/technologyIPSIPSIPSIPS
Diagonal size5 in
127 mm
12.7 cm
4.7 in
119.38 mm
11.94 cm
6 in
152.4 mm
15.24 cm
5 in
127 mm
12.7 cm
Width2.45 in
62.26 mm
6.23 cm
2.3 in
58.53 mm
5.85 cm
2.94 in
74.72 mm
7.47 cm
2.45 in
62.26 mm
6.23 cm
Height4.36 in
110.69 mm
11.07 cm
4.1 in
104.05 mm
10.4 cm
5.23 in
132.83 mm
13.28 cm
4.36 in
110.69 mm
11.07 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution720 x 1280 pixels720 x 1280 pixels1080 x 1920 pixels720 x 1280 pixels
Pixel density294 ppi
115 ppcm
312 ppi
122 ppcm
367 ppi
144 ppcm
294 ppi
115 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area56.5 %52.89 %64.55 %58.05 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 4
2.5D curved glass screen
Corning Gorilla Glass
GFF full lamination
--

Sensors

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

SensorsProximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer
Compass

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor typeCMOSCMOSCMOSCMOS
Aperture-f/2.2--
Flash typeLEDLEDLEDLED
Image resolution3264 x 2448 pixels
7.99 MP
4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 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
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
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
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Interpolated resolution - 13 MPInterpolated resolution - 16 MP--

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Aperture-f/2.8--
Image resolution1600 x 1200 pixels
1.92 MP
2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
Video resolution640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
--
Video FPS30 fps30 fps--
Interpolated resolution - 5 MPInterpolated resolution - 8 MP--

Audio

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

SpeakerLoudspeakerLoudspeaker
Earpiece
LoudspeakerLoudspeaker

Radio

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

RadioYesYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
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
802.11a
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.

Version4.04.04.04.0
FeaturesA2DPA2DPA2DPA2DP

USB

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

Connector typeMicro USBMicro USBMicro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
HotKnot
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
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
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
MIDI
MP3
WMA
WAV
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
MKV
QuickTime
MP4
Xvid
3GPP
AVI
MP4
WebM
Xvid
3GPP
AVI
MKV
MP4
Xvid
3GPP
AVI
MKV
MP4
Xvid

Battery

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

Capacity3000 mAh3500 mAh4000 mAh2800 mAh
TypeLi-PolymerLi-IonLi-PolymerLi-Polymer
2G talk time-18 h
1080 min
0.8 days
-11 h
660 min
0.5 days
2G stand-by time-330 h
19800 min
13.8 days
-224 h
13440 min
9.3 days
3G talk time-18 h
1080 min
0.8 days
-11 h
660 min
0.5 days
3G stand-by time-330 h
19800 min
13.8 days
-224 h
13440 min
9.3 days
Charger output power-5 V / 1 A--
FeaturesNon-removableRemovableNon-removableNon-removable