Manufacturer and Model

Manufacturer
Samsung
Samsung
Phone model
Galaxy A40
Galaxy S8+ Exynos Dual
Year of release
2019
2017

Appearance

Case type
Monoblock
Monoblock
Body length
144 mm
160 mm
Body width
69 mm
73 mm
Body thickness
7.9 mm
8 mm
Weight
140 g
173 g
Volume
78.94 cm³
93.66 cm³
Body materials and finishes
  • Plastic
  • Metal
Colors

Processor (CPU)

Processor model
  • Samsung Exynos 7 Octa 7904
  • Samsung Exynos 8 Octa 8895
CPU clock speed
1800 MHz
2300 MHz
Number of processor cores
8
8
Processor size
64 bits
Instruction set architecture
ARMv8-A
Manufacturing process
14 nm

Graphics Processor (GPU)

GPU
GPU model
  • ARM Mali-G71 MP2
  • ARM Mali-G71 MP20
Number of GPU cores
2

Primary storage (RAM)

The amount of RAM
4 GB
4 GB
Number of RAM channels
2

Internal storage

Built-in memory
  • 64 GB
  • 64 GB

SD card

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

Mainboard

Chipset
  • Samsung Exynos 7 Octa 7904

Operating system

Operating system
Android 9.0
Android 7.0

Battery

Battery capacity
3100
3500
Battery type
Li-Ion
Li-Pol
Wireless battery charging
Charging the battery from USB
Fast battery charging
Adapter output power
  • 5 V / 2 A
Call duration in GSM networks
18 h
23 h
Call duration in UMTS (WCDMA) networks
18 h
23 h

Screen

Screen diagonal
5.9 in
6.2 in
Screen resolution
2280 x 1080 pixels
2960 x 1440 pixels
Resolution formats
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Pixel density
437 ppi
531 ppi
Screen technology
Super AMOLED
Super AMOLED
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Capacitive
Capacitive
Anti-scratch screen
Glass screen
Curved screen
Aspect ratio
2.111
2.056
Screen brightness
370 cd/m²
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
16 Mp
12 Mp
Maximum photo resolution
5333 x 3000 pixels
4619 x 2598 pixels
Shooting resolution formats
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
Dual camera
The presence of a flash
Flash type
LED
Dual LED
Photomatrix type
CMOS
Aperture
f/1.7
Shooting settings
Autofocus
Auto exposure
Face detector
Panoramic photography
HDR photography
Viewfinder
Continuous photography
Touch focus
Exposure compensation
Self-timer
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
3840 x 2160 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
  • Scene selection mode

Front photo/video camera

Front camera megapixels
25 Mp
8 Mp
Maximum photo resolution
6667 x 3750 pixels
3771 x 2121 pixels
Shooting resolution formats
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Aperture
f/2
Front camera video
Maximum video resolution
1920 x 1080 pixels

SIM card and calls

Number of SIM-cards
2
2
Mode of operation of multiple SIM-cards
Alternating
Alternating
SIM card type
Nano-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

Mobile communications

Cellular generation
4.5G
4.5G
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 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 2600 MHz
TDD LTE support

Internet data transmission standards

LTE standards
  • LTE Cat 12
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
Wi-Fi Direct support
Wi-Fi hotspot mode
Dual band Wi-Fi

USB

USB connector
USB connector type
USB Type-C
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
4.2
4.2
A2DP support
AVRCP support
Other Bluetooth profiles
  • DIP
  • HFP
  • HID
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP
  • HOGP
  • DIP
  • HFP
  • HID
  • HSP
  • MAP
  • OPP
  • PAN
  • PBAP

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

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
USB Type-C
TRS jack (mini/micro jack)
3.5 mm
3.5 mm
Wireless NFC
ANT+ wireless technology

Images

Supported image formats
  • PNG
  • JPEG
  • GIF
  • BMP
  • PNG
  • JPEG
  • GIF
  • BMP
Installed image editor
Geo tags

Video

Installed video player
Supported video formats
  • MP4
  • MPEG-4
  • MKV
  • AVI
  • 3GPP
  • 3GPP
  • 3GPP2
  • Xvid
  • H.263
  • H.264
  • H.265
  • WMV
  • MP4
  • AVI
  • 3GPP
  • WMV
Video resolution formats
  • Ultra HD
  • Quad HD
  • 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
  • AMR-WB
  • FLAC
  • M4A
  • MIDI
  • MP3
  • OGG
  • WMA
  • WAV
  • AAC
  • 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
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
  • Gmail
  • Gtalk
  • Facebook
  • Twitter
  • Youtube
  • Google search
  • Google maps

Software features

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

Receiving and sending SMS

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

Impact protection

Waterproof case
Dustproof case

Security

Fingerprint scanner
Face scanner
Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level
0.49 W/kg
0.97 W/kg