Manufacturer and Model

Manufacturer
Lenovo
Xiaomi
Phone model
ZUK Z2
Mi 4
Year of release
2016
2014

Appearance

Case type
Monoblock
Monoblock
Body length
142 mm
139 mm
Body width
69 mm
69 mm
Body thickness
8.5 mm
8.9 mm
Weight
149 g
149 g
Volume
82.99 cm³
84.86 cm³
Body materials and finishes
  • Aluminium alloy
  • Metal
  • Stainless steel
  • Metal
  • Plastic
Replaceable panels
Colors

Processor (CPU)

Processor model
  • Qualcomm Snapdragon 820 MSM8996
  • Qualcomm MSM8974AC Snapdragon 801
CPU clock speed
2150 MHz
2500 MHz
Number of processor cores
4
4
Level 1 cache (L1)
32 + 32 kB
16 + 16 kB
Level 2 cache (L2)
1536 kB
2 MB
Processor size
64 bits
32 bits
Instruction set architecture
ARMv8-A
ARMv7
Manufacturing process
14 nm
28 nm

Graphics Processor (GPU)

GPU
GPU model
  • Adreno 530
  • Adreno 330
GPU clock speed
624 MHz
578 MHz
Number of GPU cores
4

Primary storage (RAM)

The amount of RAM
4 GB
3 GB
RAM type
LPDDR4
LPDDR3
RAM frequency
1866 MHz
933 MHz
Number of RAM channels
2
2

Internal storage

Built-in memory
  • 64 GB
  • 64 GB

Mainboard

Chipset
  • Qualcomm Snapdragon 820 MSM8996
  • Qualcomm Snapdragon 801 MSM8974AC

Operating system

Operating system
Android 6.0
Android 4.4

Battery

Battery capacity
3500
3080
Battery type
Li-Pol
Li-Ion
Charging the battery from USB
Fast battery charging
Fast charging technology
Qualcomm Quick Charge 3.0
Qualcomm Quick Charge 2.0
Adapter output power
  • 5.3 V / 2.5 A
Standby time in GSM networks
280 h
Standby time on UMTS (WCDMA) networks
280 h

Screen

Screen diagonal
5 in
5 in
Screen resolution
1920 x 1080 pixels
1920 x 1080 pixels
Resolution formats
  • Full HD
  • HD
  • Full HD
  • HD
Pixel density
441 ppi
441 ppi
Screen technology
IPS
IPS
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Capacitive
Capacitive
Anti-scratch screen
Glass screen
Aspect ratio
1.778
1.778
2.5D curved screen
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
13 Mp
13 Mp
Maximum photo resolution
4160 x 3120 pixels
4128 x 3096 pixels
Shooting resolution formats
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
The presence of a flash
Flash type
LED
Dual LED
Photomatrix model
Samsung S5K2M8
Sony IMX214 Exmor RS
Photomatrix type
ISOCELL
CMOS
Photomatrix size
4.69 x 3.52 mm
Photomatrix pixel size
1.115 μm
Crop factor
7.38
Aperture
f/2.2
f/1.8
Number of lens elements
5
6
Shooting settings
Autofocus
Face detector
Smile detector
Panoramic photography
HDR photography
Viewfinder
Continuous photography
Touch focus
Exposure compensation
Self-timer
Digital image stabilization
White balance
ISO setting
Scene selection
Other photo settings
  • Serial shooting
  • Panoramic shooting
  • Hdr shooting
  • Face detection
Video capability
Maximum video resolution
3840 x 2160 pixels
3128 x 2160 pixels
Movie speed
30 fps
30 fps
Movie settings
Movie settings list
  • White balance
  • Color effects
  • Scene selection mode

Front photo/video camera

Front camera megapixels
8 Mp
8 Mp
Maximum photo resolution
3771 x 2121 pixels
3771 x 2121 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Photomatrix model
OmniVision OV8865
Sony IMX219PQ Exmor R
Photomatrix type
CMOS BSI 2
CMOS BSI
Photomatrix size
4.61 x 3.47 mm
3.6 x 2.7 mm
Photomatrix pixel size
1.414 μm
1.103 μm
Crop factor
7.49
9.61
Aperture
f/2
f/1.8
Number of lens elements
5
Front camera video
Maximum video resolution
1920 x 1080 pixels
1920 x 1080 pixels

SIM card and calls

Number of SIM-cards
2
1
Mode of operation of multiple SIM-cards
Alternating
SIM card type
Nano-SIM
Micro-SIM
MP3 ringtones
Polyphonic ringtones
Vibration mode
Speakerphone
Conference call
Speed dial
Video calls
Second microphone
Noise reduction during a call
Ability to mute the microphone during a call
Extended phone book
Contacts in the phone book
Unlimited
Unlimited
Data exchange between SIM card and internal memory

Mobile communications

Cellular generation
4G
4G
GSM support
GSM frequencies
  • GSM 850 MHz
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
  • GSM 850 MHz
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
CDMA support
CDMA frequencies
  • CDMA 800 MHz
  • CDMA 1900 MHz
CDMA2000 support
UMTS support
UMTS frequencies
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
TD-SCDMA support
TD-SCDMA frequencies
  • TD-SCDMA MHz
  • TD-SCDMA MHz
  • TD-SCDMA MHz
  • TD-SCDMA MHz
LTE support
LTE frequencies
  • LTE 1800 MHz
  • LTE 2100 MHz
  • LTE 2600 MHz
  • LTE-TDD 1900 MHz
  • LTE-TDD 2300 MHz
  • LTE-TDD 2500 MHz
  • LTE-TDD 2600 MHz
TDD LTE support

Internet data transmission standards

LTE standards
  • LTE Cat 6
CDMA2000 standards
  • 1xEV-DO Rev. A
Data transmission standards
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS

Wi-Fi

Built-in Wi-Fi
Wi-Fi standards
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
Wi-Fi Direct support
Wi-Fi hotspot mode
Dual band Wi-Fi

USB

USB connector
USB connector type
USB Type-C
Micro USB
USB standard
2.0
2.0
USB OTG support
USB host support
USB Mass Storage support
MHL interface

Bluetooth

Built-in Bluetooth
Bluetooth standard
4.1
4.0
Bluetooth LE support
A2DP support
AVRCP support
Other Bluetooth profiles
  • A2DP-LE

Navigation and positioning

Built-in GPS
A-GPS support
Installed GLONASS
Built-in digital compass

Radio

Built-in radio receiver
Radio range
87.5 - 108
RDS support

Sensors and gauges

Ambient light sensor
Proximity sensor
Accelerometer
Orientation and rotation sensor
Gyroscope
Magnetometer
Barometer
Hall sensor

Connectors and interfaces

USB connector
USB Type-C
Micro USB
TRS jack (mini/micro jack)
3.5 mm
3.5 mm
Wireless NFC

Images

Supported image formats
  • PNG
  • JPG
  • EXIF
  • GIF
Installed image editor
Geo tags
DLNA support

Video

Installed video player
Supported video formats
  • MP4
  • MPEG-4
  • MKV
  • AVI
  • 3GPP
  • 3GPP
  • Xvid
  • H.263
  • H.264
  • WMV
  • MP4
  • MPEG-4
  • MKV
  • AVI
  • Xvid
  • H.263
  • H.264
  • WMV
  • WMV9
Video resolution formats
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Streaming video
Geo tags

Audio

Installed audio player
Supported audio formats
  • AAC
  • AAC+
  • eAAC+
  • AMR
  • AMR-NB
  • AMR-WB
  • FLAC
  • MIDI
  • MP3
  • OGG
  • WMA
  • WAV
  • AAC
  • AAC+
  • eAAC+
  • AMR
  • AMR-NB
  • AMR-WB
  • FLAC
  • MP3
  • WMA
  • WAV
MP3 support
Built-in stereo speakers
Streaming audio
Dictaphone
Voice notes
TRS jack (mini/micro jack)
3.5 mm
3.5 mm

Control elements

Touch input
Multitouch
Pinch zoom
Russified input

Documents and office

Installed Organizer (PIM)
Office document support
Supported document formats
  • PDF
  • PDF
Email
IMAP4 protocol support
Convert text to speech
Convert speech to text

Connectivity and synchronization

PC connection
Tethering support
Synchronization over the mobile network
OTA sync
Synchronization with services
  • Gmail
  • Gtalk
  • Facebook
  • Twitter
  • Youtube
  • Google search
  • Google maps
  • Gmail
  • Gtalk
  • Facebook
  • Twitter
  • Youtube
  • Google Search
  • Google Maps

Software features

Installed browser
  • HTML
  • HTML5
  • CSS3
  • WAP
  • HTML
  • HTML5
  • CSS3
  • WAP

Receiving and sending SMS

SMS messages
SMS T9 support
SMS output in the form of a chat
MMS support
VMS support

Security

Fingerprint scanner
Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level
1.03 W/kg