Manufacturer and Model

Manufacturer
Microsoft
LG
Phone model
Lumia 640 LTE
G3 S
Year of release
2015
2014

Appearance

Case type
Monoblock
Monoblock
Body length
141 mm
138 mm
Body width
72 mm
70 mm
Body thickness
8.8 mm
10.3 mm
Weight
145 g
137 g
Volume
89.78 cm³
98.71 cm³
Body materials and finishes
  • Plastic
  • Plastic
Replaceable panels
Colors

Processor (CPU)

Processor model
  • Qualcomm Snapdragon 400 MSM8226
  • Qualcomm Snapdragon 400 MSM8926
CPU clock speed
1200 MHz
1200 MHz
Number of processor cores
4
4
Level 1 cache (L1)
16 + 16 kB
16 + 16 kB
Level 2 cache (L2)
1024 kB
1024 kB
Processor size
32 bits
32 bits
Instruction set architecture
ARMv7
ARMv7
Manufacturing process
28 nm
28 nm

Graphics Processor (GPU)

GPU
GPU model
  • Qualcomm Adreno 305
  • Adreno 305
GPU clock speed
450 MHz
Number of GPU cores
1
1

Primary storage (RAM)

The amount of RAM
1 GB
1 GB

Internal storage

Built-in memory
  • 8 GB
  • 8 GB

SD card

Types of Supported Memory Cards
  • microSDXC
  • microSDHC
  • microSD
  • microSDXC
  • microSDHC
  • microSD
Maximum expandable memory
128 GB
32 GB

Mainboard

Chipset
  • Qualcomm Snapdragon 400 MSM8926
  • Qualcomm Snapdragon 400 MSM8926

Operating system

Operating system
Windows Phone 8.1
Android 4.4

Battery

Battery capacity
2500
2540
Battery type
Li-Ion
Li-Ion
Removable battery
Charging the battery from USB
Call duration in GSM networks
26 h
16 h
Standby time in GSM networks
864 h
700 h
Call duration in UMTS (WCDMA) networks
17 h 30 min
15 h
Standby time on UMTS (WCDMA) networks
864 h
750 h

Screen

Screen diagonal
5 in
5 in
Screen resolution
1280 x 720 pixels
1280 x 720 pixels
Resolution formats
  • HD
  • HD
Pixel density
294 ppi
294 ppi
Screen technology
IPS
IPS
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Capacitive
Capacitive
Anti-scratch screen
Aspect ratio
1.778
1.778
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
8 Mp
8 Mp
Maximum photo resolution
3264 x 2448 pixels
3264 x 2448 pixels
Shooting resolution formats
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
The presence of a flash
Flash type
LED
LED
Digital zoom
4 X
Photomatrix type
CMOS BSI
CMOS BSI
Photomatrix size
3.6 x 2.7 mm
Photomatrix pixel size
1.103 μm
Crop factor
9.61
Aperture
f/2.2
f/2.4
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
1920 x 1080 pixels
1920 x 1080 pixels
Movie speed
30 fps
30 fps
Movie settings
Movie settings list
  • White balance
  • Color effects
  • Hdr
  • Scene selection mode

Front photo/video camera

Front camera megapixels
0.9 Mp
1.3 Mp
Maximum photo resolution
1265 x 712 pixels
1520 x 855 pixels
Aperture
f/2.4
Front camera video
Maximum video resolution
1280 x 720 pixels
1280 x 720 pixels

SIM card and calls

Number of SIM-cards
1
2
SIM card type
Micro-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
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 2100 MHz
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz
LTE support
LTE frequencies
  • LTE 800 MHz
  • LTE 900 MHz
  • LTE 1800 MHz
  • LTE 2100 MHz
  • LTE 2600 MHz
  • LTE 800 MHz
  • LTE 900 MHz
  • LTE 1800 MHz
  • LTE 2100 MHz
  • LTE 2600 MHz

Internet data transmission standards

LTE standards
  • LTE Cat 4
  • LTE Cat 4
Data transmission standards
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS
  • HSPA+
  • HSUPA
  • HSDPA
  • EDGE
  • GPRS

Wi-Fi

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

USB

USB connector
USB connector type
Micro USB
Micro USB
USB standard
2.0
2.0
USB Mass Storage support

Bluetooth

Built-in Bluetooth
Bluetooth standard
4.0
4.0
Bluetooth LE support
A2DP support
AVRCP support
Other Bluetooth profiles
  • GATT
  • HID
  • MAP
  • HFP
  • OPP
  • PAN
  • PBAP
  • DIP
  • FTP
  • GAP
  • GAVDP
  • GOEP
  • HFP
  • HID
  • HSP
  • OPP
  • PAN
  • PBAP
  • PBA
  • SAP
  • SIM
  • rSAP
  • SPP

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
RDS support

Sensors and gauges

Ambient light sensor
Proximity sensor
Accelerometer
Orientation and rotation sensor
Magnetometer

Connectors and interfaces

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

Images

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

Video

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

Audio

Installed audio player
Supported audio formats
  • AAC
  • eAAC+
  • AMR
  • AMR-NB
  • MIDI
  • MP3
  • WMA
  • WAV
  • AAC
  • eAAC+
  • AMR
  • AMR-NB
  • M4A
  • MIDI
  • MP3
  • WMA
  • WAV
MP3 support
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
  • Facebook
  • Twitter
  • Windows Live Messenger
  • Youtube Messenger
  • Linkedln
  • OneDrive
  • WhatsApp
  • 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

Security

Remote phone lock
Remotely wipe data from your phone
Remote phone search
Data encryption in the phone
Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level
0.56 W/kg