Comparison between:
- Zoji Z6
- Zoji Z7
- Zoji Z8
- Zoji Z9

Brand and model

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

Zoji Z6Zoji Z7Zoji Z8Zoji Z9
Zoji Z6
Prices
Zoji Z7
Prices
Zoji Z8
Prices
Zoji Z9
Prices

Design

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

Width74 mm
7.4 cm
0.243 ft
2.913 in
79 mm
7.9 cm
0.259 ft
3.11 in
75.2 mm
7.52 cm
0.247 ft
2.961 in
79 mm
7.9 cm
0.259 ft
3.11 in
Height150 mm
15 cm
0.492 ft
5.906 in
154.9 mm
15.49 cm
0.508 ft
6.098 in
147.3 mm
14.73 cm
0.483 ft
5.799 in
163.5 mm
16.35 cm
0.536 ft
6.437 in
Thickness9.9 mm
0.99 cm
0.032 ft
0.39 in
11.9 mm
1.19 cm
0.039 ft
0.469 in
12.5 mm
1.25 cm
0.041 ft
0.492 in
14.5 mm
1.45 cm
0.048 ft
0.571 in
Weight--208 g
0.46 lbs
7.34 oz
180 g
0.4 lbs
6.35 oz
Volume109.89 cm³
6.67 in³
145.62 cm³
8.84 in³
138.46 cm³
8.41 in³
187.29 cm³
11.37 in³
ColorsBlackBlack
Green
Orange
Black
Green
Orange
Black
Orange
Body materialsMetal
Polycarbonate
Polycarbonate
Metal
Polycarbonate
Metal
-
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-SIM
Nano-SIM / microSD
Nano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Nano-SIM
Number of SIM cards2222

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 900 MHz
W-CDMA 2100 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
LTE-LTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
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+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
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 6.0 MarshmallowAndroid 6.0 MarshmallowAndroid 7.0 NougatAndroid 8.1 Oreo

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 MT6580MediaTek MT6737MediaTek MT6750MediaTek Helio P23 (MT6763V)
Process technology28 nm28 nm28 nm16 nm
CPU4x 1.3 GHz ARM Cortex-A74x 1.3 GHz ARM Cortex-A534x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A534x 2.0 GHz ARM Cortex-A53, 4x 1.65 GHz ARM Cortex-A53
CPU bits32 bit64 bit64 bit64 bit
Instruction setARMv7-AARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)32 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
-
CPU cores4488
CPU frequency1300 MHz1300 MHz1500 MHz2000 MHz
GPUARM Mali-400 MP1ARM Mali-T720 MP2ARM Mali-T860 MP2ARM Mali-G71 MP2
GPU cores1222
GPU frequency500 MHz550 MHz520 MHz700 MHz
RAM capacity1 GB2 GB4 GB6 GB
RAM typeLPDDR2/LPDDR3LPDDR3LPDDR3LPDDR4X
RAM channelsSingle channelSingle channelSingle channelDouble channel
RAM frequency533 MHz640 MHz800 MHz1500 MHz

Storage

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

Storage8 GB16 GB64 GB64 GB

Memory cards

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

TypesmicroSD
microSDHC
microSD
microSDHC
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 size4.7 in
119.38 mm
11.94 cm
5 in
127 mm
12.7 cm
5 in
127 mm
12.7 cm
5.7 in
144.78 mm
14.48 cm
Width2.3 in
58.53 mm
5.85 cm
2.45 in
62.26 mm
6.23 cm
2.45 in
62.26 mm
6.23 cm
2.55 in
64.75 mm
6.47 cm
Height4.1 in
104.05 mm
10.4 cm
4.36 in
110.69 mm
11.07 cm
4.36 in
110.69 mm
11.07 cm
5.1 in
129.5 mm
12.95 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
2:1
2:1 (18:9)
Resolution720 x 1280 pixels720 x 1280 pixels720 x 1280 pixels720 x 1440 pixels
Pixel density312 ppi
122 ppcm
294 ppi
115 ppcm
294 ppi
115 ppcm
282 ppi
110 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area55.04 %56.5 %62.42 %65.12 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 4Corning Gorilla Glass 4
2.5D curved glass screen
Corning Gorilla Glass 4In-cell
Corning Gorilla Glass

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
Fingerprint
Proximity
Light
Accelerometer
Gyroscope
Fingerprint
Heart rate

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 model---Samsung
Sensor typeCMOSCMOSCMOSCMOS
Aperturef/2.8-f/2f/2
Focal length and 35 mm equivalent3.5 mm---
Flash typeLEDLEDDual LEDDual LED
Image resolution2592 x 1944 pixels
5.04 MP
3264 x 2448 pixels
7.99 MP
4608 x 3456 pixels
15.93 MP
5344 x 4008 pixels
21.42 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 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 - 8 MPInterpolated resolution - 13 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.

Aperture--f/2.2-
Image resolution1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
Video resolution640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
Features---Face unlock
Interpolated resolution - 5 MPInterpolated resolution - 5 MP--

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
---Headphone adapter

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
GPS
A-GPS
GPS
A-GPS
GLONASS
BeiDou

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
802.11n 5GHz
Dual band
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 USBUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Charging
Mass storage
On-The-Go
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 jackYesYesYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
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
MKV
QuickTime
MP4
Xvid
3GPP
AVI
MKV
QuickTime
MP4
Xvid
3GPP
AVI
H.263
H.264
MKV
QuickTime
MP4
WebM
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 mAh3000 mAh4250 mAh5500 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time---29 h
1740 min
1.2 days
2G stand-by time---480 h
28800 min
20 days
3G talk time---29 h
1740 min
1.2 days
3G stand-by time---480 h
28800 min
20 days
Charger output power--5 V / 2 A5 V / 2 A
9 V / 2 A
FeaturesNon-removableNon-removableNon-removableFast charging
Non-removable
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