Comparison of Lenovo A390 and Xiaomi Redmi 4X 16Gb smartphones based on their characteristics

Lenovo A390

Xiaomi Redmi 4X 16Gb

Manufacturer and Model

Manufacturer

Lenovo

Xiaomi

Phone model

A390

Redmi 4X 16Gb

Year of release

2013

2017

Appearance

Case type

Monoblock

Monoblock

Body length

125 mm

139 mm

Body width

64 mm

70 mm

Body thickness

10.1 mm

8.7 mm

Weight

131 g

150 g

Volume

80.8 cm³

84.77 cm³

Body materials and finishes

• Plastic

• Metal

Colors

• Black

• Black
• Golden
• Pink

Processor (CPU)

Processor model

• MTK 6577

• Qualcomm Snapdragon 435 MSM8940

CPU clock speed

1000 MHz

1400 MHz

Number of processor cores

2

8

Level 1 cache (L1)

32 + 32 kB

Level 2 cache (L2)

1024 kB

Processor size

32 bits

64 bits

Instruction set architecture

ARMv7

ARMv8

Manufacturing process

40 nm

28 nm

Graphics Processor (GPU)

GPU

GPU model

• PoverVR SGX 531

• Qualcomm Adreno 505

GPU clock speed

522 MHz

Primary storage (RAM)

The amount of RAM

512 MB

2 GB

RAM type

LPDDR3

RAM frequency

800 MHz

Number of RAM channels

1

Internal storage

Built-in memory

• 4 GB

• 16 GB

SD card

Types of Supported Memory Cards

• microSDHC
• microSD

• microSDXC
• microSDHC
• microSD

Maximum expandable memory

32 GB

128 GB

Hot swappable memory card

Mainboard

Chipset

• MediaTek MT6577

• Qualcomm Snapdragon 435 MSM8940

Operating system

Operating system

Android 4.0

Android 7.0

Battery

Battery capacity

1500

4100

Battery type

Li-Pol

Li-Pol

Removable battery

Charging the battery from USB

Adapter output power

• 5 V / 2 A

Call duration in GSM networks

14 h

36 h

Standby time in GSM networks

220 h

432 h

Call duration in UMTS (WCDMA) networks

9 h

18 h

Standby time on UMTS (WCDMA) networks

180 h

432 h

Video watching duration

5 h

Screen

Screen diagonal

4 in

5 in

Screen resolution

800 x 480 pixels

1280 x 720 pixels

Resolution formats

• HD

Pixel density

233 ppi

294 ppi

Screen technology

IPS

IPS

Color depth

24 bit

24 bit

Touch screen

Touch screen type

Capacitive

Capacitive

Aspect ratio

1.667

1.778

2.5D curved screen

Contrast ratio

1000:1

Screen brightness

450 cd/m²

Auto-rotate screen

Ambient light sensor

Proximity sensor

Main photo/video camera

Camera megapixels

5 Mp

13 Mp

Maximum photo resolution

2592 x 1944 pixels

4807 x 2704 pixels

Shooting resolution formats

• Quad HD
• Full HD
• HD

• Ultra HD
• Quad HD
• Full HD
• HD

The presence of a flash

Flash type

LED

Photomatrix model

Samsung S5K3L8

Photomatrix type

CMOS

Photomatrix size

4.69 x 3.52 mm

Photomatrix pixel size

1.127 μm

Crop factor

7.38

Aperture

f/2

Number of lens elements

5

Shooting settings

Autofocus

Phase detection autofocus

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

Video capability

Maximum video resolution

1280 x 720 pixels

1920 x 1080 pixels

Movie speed

30 fps

Movie settings

Movie settings list

• White balance
• Color effects
• Scene selection mode

Front photo/video camera

Front camera megapixels

5 Mp

Maximum photo resolution

2981 x 1677 pixels

Shooting resolution formats

• Quad HD
• Full HD
• HD

Photomatrix model

OmniVision OV5675

Photomatrix type

CMOS

Photomatrix size

2.98 x 2.21 mm

Photomatrix pixel size

1.151 μm

Crop factor

11.66

Aperture

f/2.2

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 + Nano-SIM

MP3 ringtones

Polyphonic ringtones

Vibration mode

Speakerphone

Conference call

Speed dial

Video calls

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

3.5G

4.5G

GSM support

GSM frequencies

• GSM 900 MHz
• GSM 1800 MHz

• GSM 850 MHz
• GSM 900 MHz
• GSM 1800 MHz
• GSM 1900 MHz

CDMA support

CDMA frequencies

• CDMA 800 MHz

CDMA2000 support

UMTS support

UMTS frequencies

• 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 850 MHz
• LTE 900 MHz
• 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 4

CDMA2000 standards

• 1xEV-DO Rev. A

Data transmission standards

• 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

• 802.11b
• 802.11g
• 802.11n

Wi-Fi Direct support

Wi-Fi hotspot mode

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

3.0

4.2

A2DP support

Other Bluetooth profiles

• HID

Navigation and positioning

Built-in GPS

A-GPS support

Installed GLONASS

Built-in digital compass

Radio

Built-in radio receiver

Radio range

87.5 - 108.0

RDS support

Sensors and gauges

Ambient light sensor

Proximity sensor

Accelerometer

Orientation and rotation sensor

Gyroscope

Magnetometer

Connectors and interfaces

USB connector

Micro USB

Micro USB

TRS jack (mini/micro jack)

3.5 mm

3.5 mm

Infrared port (IrDA)

Images

Supported image formats

• PNG
• JPEG
• GIF
• BMP

Installed image editor

Geo tags

Video

Installed video player

Supported video formats

• MP4
• MPEG-4
• 3GPP
• H.263
• H.264
• WMV

• MP4
• MPEG-4
• MKV
• AVI
• 3GPP
• 3GPP
• Xvid
• H.263
• H.264
• WMV

Video resolution formats

• HD

• Full HD
• HD

Streaming video

Geo tags

Audio

Installed audio player

Supported audio formats

• AAC
• AAC+
• eAAC+
• AMR
• MIDI
• MP3
• WMA
• WAV

• AAC
• eAAC+
• AMR
• AMR-NB
• 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

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

• MS Outlook
• Gmail
• Gtalk
• Facebook
• Twitter
• Youtube

• Gmail
• Gtalk
• Facebook
• Twitter
• Youtube
• Google search
• Google maps

Software features

Installed browser

• HTML
• HTML5
• WAP

• HTML
• HTML5
• CSS3
• WAP

Installed games

Installed games

• Diamond
• Fishing Joy

Receiving and sending SMS

SMS messages

SMS T9 support

SMS output in the form of a chat

MMS support

Security

Fingerprint scanner

Installed antivirus

Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level

0.35 W/kg

0.58 W/kg