Manufacturer and Model

Manufacturer
Samsung
Xiaomi
Phone model
Galaxy M31 128Gb
Mi4i 16Gb
Year of release
2020
2014
Alternative phone model name
SM-M315F/DS

Appearance

Case type
Monoblock
Monoblock
Body length
159 mm
138 mm
Body width
75 mm
70 mm
Body thickness
8.9 mm
7.8 mm
Weight
191 g
149 g
Volume
106.41 cm³
74.97 cm³
Body materials and finishes
  • Plastic
  • Plastic
Colors

Processor (CPU)

Processor model
  • Exynos 7 Series 9611
  • Qualcomm Snapdragon 615 MSM8939
CPU clock speed
2300 MHz
1700 MHz
Number of processor cores
8
8
Level 1 cache (L1)
16 + 16 kB
Level 2 cache (L2)
2 MB
Processor size
64 bits
Instruction set architecture
ARMv8
Manufacturing process
28 nm

Graphics Processor (GPU)

GPU
GPU model
  • ARM Mali-G72 MP3
  • Adreno 405
GPU clock speed
550 MHz

Primary storage (RAM)

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

Internal storage

Built-in memory
  • 128 GB
  • 16 GB

SD card

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

Mainboard

Chipset
  • Qualcomm Snapdragon 615 MSM8939

Operating system

Operating system
Android 10.0
Android 5.0

Battery

Battery capacity
6000
3120
Battery type
Li-Ion
Li-Ion
Charging the battery from USB
Fast battery charging

Screen

Screen diagonal
6.4 in
5 in
Screen resolution
2340 x 1080 pixels
1920 x 1080 pixels
Resolution formats
  • Full HD
  • HD
  • Full HD
  • HD
Pixel density
403 ppi
441 ppi
Screen technology
Super AMOLED
IPS
Color depth
24 bit
24 bit
Touch screen
Touch screen type
Capacitive
Capacitive
Anti-scratch screen
Aspect ratio
2.167
1.778
Auto-rotate screen
Ambient light sensor
Proximity sensor

Main photo/video camera

Camera megapixels
64 Mp
13 Mp
Maximum photo resolution
10667 x 6000 pixels
4208 x 2368 pixels
Shooting resolution formats
  • Full Ultra HD
  • 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/2
Number of lens elements
5
Shooting settings
Autofocus
Auto exposure
Face 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
  • Iso
Video capability
Maximum video resolution
3840 x 2160 pixels
1920 x 1080 pixels
Movie speed
30 fps
30 fps
Movie settings
Movie settings list
  • White balance
  • Color effects
  • Scene selection mode
  • White balance
  • Color effects
  • Hdr

Front photo/video camera

Front camera megapixels
32 Mp
5 Mp
Maximum photo resolution
7542 x 4243 pixels
2981 x 1677 pixels
Shooting resolution formats
  • Ultra HD
  • Quad HD
  • Full HD
  • HD
  • Quad HD
  • Full HD
  • HD
Aperture
f/1.8
Front camera video
Maximum video resolution
1280 x 720 pixels

SIM card and calls

Number of SIM-cards
2
2
Mode of operation of multiple SIM-cards
Alternating
Alternating
SIM card type
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
4.5G
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 1900 MHz
  • UMTS 2100 MHz
TD-SCDMA support
LTE support
LTE frequencies
  • LTE 1800 MHz
  • LTE 2600 MHz
  • LTE-TDD 1900 MHz
  • LTE-TDD 2300 MHz
  • LTE-TDD 2500 MHz
  • LTE-TDD 2600 MHz
LTE-Advanced support
TDD LTE support

Internet data transmission standards

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

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
5.0
4.1
A2DP support

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
Radio recording

Sensors and gauges

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

Connectors and interfaces

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

Images

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

Video

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

Audio

Installed audio player
Supported audio formats
  • AAC
  • MIDI
  • MP3
  • WMA
  • WAV
  • AAC
  • eAAC+
  • AMR
  • AMR-NB
  • AMR-WB
  • FLAC
  • MIDI
  • MP3
  • OGG
  • 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
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
  • 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

Fingerprint scanner
Installed VPN

Additional features

Standalone mode (flight mode)
Barcode scanner

SAR level

SAR level
0.6 W/kg