Manufacturer and Model

Manufacturer
Lenovo
Microsoft
Phone model
K4 Note
Lumia 950
Year of release
2016
2015

Appearance

Case type
Monoblock
Monoblock
Body length
154 mm
145 mm
Body width
77 mm
73 mm
Body thickness
9.1 mm
8.2 mm
Weight
158 g
150 g
Volume
107 cm³
87.04 cm³
Body materials and finishes
  • Plastic
  • Metal
  • Plastic
Replaceable panels
Colors

Processor (CPU)

Processor model
  • MediaTek MT6753
  • Qualcomm Snapdragon 808
CPU clock speed
1300 MHz
1800 MHz
Number of processor cores
8
6
Level 1 cache (L1)
32 + 32 kB
16 + 16 kB
Level 2 cache (L2)
512 kB
2 MB
Processor size
64 bits
64 bits
Instruction set architecture
ARMv8-A
ARMv8-A
Manufacturing process
28 nm
20 nm

Graphics Processor (GPU)

GPU
GPU model
  • Mali-T720
  • Adreno 418
GPU clock speed
450 MHz
600 MHz
Number of GPU cores
3

Primary storage (RAM)

The amount of RAM
3 GB
3 GB
RAM type
LPDDR3
LPDDR3
RAM frequency
800 MHz
933 MHz
Number of RAM channels
1
2

Internal storage

Built-in memory
  • 16 GB
  • 32 GB

SD card

Types of Supported Memory Cards
  • microSDXC
  • microSDHC
  • microSD
  • microSDXC
  • microSDHC
  • microSD
Maximum expandable memory
128 GB
200 GB
Hot swappable memory card

Mainboard

Chipset
  • MediaTek MT6753
  • Qualcomm Snapdragon 808 MSM8992

Operating system

Operating system
Android 5.1

Battery

Battery capacity
3300
3000
Battery type
Li-Pol
Li-Pol
Removable battery
Wireless battery charging
Charging the battery from USB
Fast battery charging
Fast charging technology
Qualcomm Quick Charge 2.0
Call duration in GSM networks
23 h
23 h
Standby time in GSM networks
265 h
288 h
Call duration in UMTS (WCDMA) networks
22 h
18 h
Standby time on UMTS (WCDMA) networks
265 h
288 h
Duration of listening to music
67 h
Video watching duration
10 h
Duration of using Wi-Fi
9.5 h

Screen

Screen diagonal
5.5 in
5.2 in
Screen resolution
1920 x 1080 pixels
2560 x 1444 pixels
Resolution formats
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Pixel density
401 ppi
565 ppi
Screen technology
IPS
AMOLED
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Resistive
Capacitive
Anti-scratch screen
Aspect ratio
1.778
1.773
Contrast ratio
1000:1
Screen brightness
450 cd/m²
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
13 Mp
20 Mp
Maximum photo resolution
4160 x 3120 pixels
5376 x 3744 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
Dual LED
Photomatrix model
Samsung S5K3M2
Photomatrix type
ISOCELL
CMOS BSI
Photomatrix size
4.69 x 3.52 mm
5.76 x 4.29 mm
Photomatrix pixel size
1.127 μm
1.071 μm
Crop factor
7.38
6.02
Aperture
f/2.2
f/1.9
Number of lens elements
6
Shooting settings
Autofocus
Phase detection autofocus
Auto exposure
Face detector
Panoramic photography
HDR photography
Viewfinder
Continuous photography
Touch focus
Exposure compensation
Self-timer
Digital image stabilization
Optical image stabilization
White balance
ISO setting
Scene selection
Other photo settings
  • Serial shooting
  • Panoramic shooting
  • Hdr shooting
  • Face detection
  • Serial shooting
  • Panoramic shooting
  • Hdr shooting
  • Face detection
Video capability
Maximum video resolution
1920 x 1080 pixels
3840 x 2160 pixels
Movie speed
30 fps
30 fps
Movie settings
Movie settings list
  • White balance
  • Color effects
  • Scene selection mode
  • White balance
  • Color effects
  • Hdr
  • Scene selection mode

Front photo/video camera

Front camera megapixels
5 Mp
5 Mp
Maximum photo resolution
2981 x 1677 pixels
2981 x 1677 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Photomatrix model
OmniVision OV5693
Photomatrix type
CMOS BSI
Photomatrix size
3.67 x 2.74 mm
Photomatrix pixel size
1.435 μm
Crop factor
9.44
Aperture
f/2.2
f/2.4
Front camera video
Maximum video resolution
1280 x 720 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
Micro-SIM
Nano-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
VoIP telephony

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
UMTS support
UMTS frequencies
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1700 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
LTE support
LTE frequencies
  • LTE 800 MHz
  • LTE 850 MHz
  • LTE 900 MHz
  • LTE 1800 MHz
  • LTE 2100 MHz
  • LTE 2600 MHz
  • LTE-TDD 2300 MHz
  • LTE-TDD 2500 MHz
  • LTE 700 MHz
  • LTE 800 MHz
  • LTE 850 MHz
  • LTE 900 MHz
  • LTE 1700 MHz
  • LTE 1800 MHz
  • LTE 1900 MHz
  • LTE 2100 MHz
  • LTE 2600 MHz
  • LTE-TDD 2300 MHz
  • LTE-TDD 2600 MHz
LTE-Advanced support
TDD LTE support

Internet data transmission standards

LTE standards
  • LTE Cat 4
  • LTE Cat 6
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
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11ac
Wi-Fi Direct support
Wi-Fi hotspot mode
Wi-Fi MIMO

USB

USB connector
USB connector type
Micro USB
USB Type-C
USB standard
2.0
3.1
USB OTG support
USB host support
USB Mass Storage support

Bluetooth

Built-in Bluetooth
Bluetooth standard
4.0
4.1
Bluetooth LE support
A2DP support
AVRCP support
Other Bluetooth profiles
  • GATT
  • HFP
  • HID
  • OPP
  • PAN
  • PBAP
  • HOGP
  • MAP

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 МГц
87.5 - 108 МГц

Sensors and gauges

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

Connectors and interfaces

USB connector
Micro USB
USB Type-C
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
  • 3GPP
  • 3GPP
  • QuickTime
  • Xvid
  • H.263
  • H.264
  • H.265
  • WMV
Video resolution formats
  • Full HD
  • HD
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
Streaming video
Geo tags

Audio

Installed audio player
Supported audio formats
  • AAC
  • eAAC+
  • AMR
  • AMR-NB
  • FLAC
  • M4A
  • MIDI
  • MP3
  • OGG
  • WMA
  • WAV
  • AAC
  • AAC+
  • eAAC+
  • AMR
  • AMR-NB
  • AMR-WB
  • FLAC
  • M4A
  • MIDI
  • MP3
  • OGG
  • 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 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
  • MS Outlook
  • MS Exchange
  • Twitter
  • Windows Live Messenger
  • Youtube Messenger
  • OneDrive
  • WhatsApp

Software features

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

Installed games

Receiving and sending SMS

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

Security

Fingerprint scanner
Remote phone lock
Remote phone search
Data encryption in the phone
Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level
0.84 W/kg