Comparison of Lenovo K3 Note and Xiaomi Redmi Note 8 Pro 128Gb smartphones based on their characteristics

Lenovo K3 Note

Xiaomi Redmi Note 8 Pro 128Gb

Manufacturer and Model

Manufacturer

Lenovo

Xiaomi

Phone model

K3 Note

Redmi Note 8 Pro 128Gb

Year of release

2015

2018

Appearance

Case type

Monoblock

Monoblock

Body length

153 mm

161 mm

Body width

76 mm

76 mm

Body thickness

8 mm

8.8 mm

Weight

150 g

199 g

Volume

93.03 cm³

108.45 cm³

Body materials and finishes

• Plastic

• Plastic

Replaceable panels

Colors

• White
• Yellow

• Black
• Dark green
• White

Processor (CPU)

Processor model

• MediaTek MT6752

• MediaTek Helio G90T

CPU clock speed

1700 MHz

2050 MHz

Number of processor cores

8

8

Level 1 cache (L1)

32 + 32 kB

Level 2 cache (L2)

512 kB

Processor size

64 bits

64 bits

Instruction set architecture

ARMv8-A

ARMv8.2-A

Manufacturing process

28 nm

12 nm

Graphics Processor (GPU)

GPU

GPU model

• Mali-T760

• Mali-G76 3EEMC4

GPU clock speed

700 MHz

800 MHz

Number of GPU cores

2

4

Primary storage (RAM)

The amount of RAM

2 GB

6 GB

RAM type

LPDDR3

RAM frequency

800 MHz

2133 MHz

Number of RAM channels

1

2

Internal storage

Built-in memory

• 16 GB

• 64 GB

SD card

Types of Supported Memory Cards

• microSDXC
• microSDHC
• microSD

• microSDXC
• microSDHC
• microSD

Maximum expandable memory

32 GB

256 GB

Hot swappable memory card

Mainboard

Chipset

• MediaTek MT6752

• MediaTek Helio G90T (MT6785T)

Operating system

Operating system

Android 5.0

Android 9.0

Battery

Battery capacity

3000

4500

Battery type

Li-Ion

Li-Ion

Removable battery

Charging the battery from USB

Fast battery charging

Adapter output power

• 5 V / 2 A

• 5 V / 3 A

Call duration in GSM networks

36 h

Standby time in GSM networks

750 h

Call duration in UMTS (WCDMA) networks

36 h

Standby time on UMTS (WCDMA) networks

750 h

Screen

Screen diagonal

5.5 in

6.53 in

Screen resolution

1920 x 1080 pixels

2340 x 1080 pixels

Resolution formats

• Full HD
• HD

• Full HD
• HD

Pixel density

401 ppi

395 ppi

Screen technology

IPS

IPS

Color depth

24 bit

24 bit

Touch screen

Touch screen type

Capacitive

Capacitive

Anti-scratch screen

Glass screen

Aspect ratio

1.778

2.167

2.5D curved screen

Contrast ratio

1500:1

Screen brightness

500 cd/m²

Auto-rotate screen

Ambient light sensor

Proximity sensor

Main photo/video camera

Camera megapixels

13 Mp

64 Mp

Maximum photo resolution

4160 x 3120 pixels

10667 x 6000 pixels

Shooting resolution formats

• Ultra HD
• Quad HD
• Full HD
• HD

• Full Ultra HD
• Ultra HD
• Quad HD
• Full HD
• HD

Dual camera

The presence of a flash

Flash type

Dual LED

Dual LED

Photomatrix model

OmniVision OV13850

Samsung S5KGW1

Photomatrix type

PureCel

ISOCELL

Photomatrix size

4.82 x 3.68 mm

Photomatrix pixel size

1.157 μm

Crop factor

7.14

Aperture

f/2

f/1.7

Number of lens elements

5

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

White balance

ISO setting

Scene selection

Other photo settings

• Serial shooting
• Geographic marks
• 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
• Hdr
• Scene selection mode

• White balance
• Color effects
• Scene selection mode

Front photo/video camera

Front camera megapixels

5 Mp

20 Mp

Maximum photo resolution

2981 x 1677 pixels

5963 x 3354 pixels

Shooting resolution formats

• Quad HD
• Full HD
• HD

• Ultra HD
• Quad HD
• Full HD
• HD

Photomatrix model

Samsung S5K3T1

Photomatrix type

ISOCELL

Aperture

f/2.4

f/2

Front camera video

Maximum video resolution

1280 x 720 pixels

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

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

Mobile communications

Cellular generation

4G

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

CDMA support

CDMA frequencies

• CDMA 800 MHz

CDMA2000 support

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

TD-SCDMA frequencies

• TD-SCDMA MHz
• TD-SCDMA MHz
• TD-SCDMA MHz
• TD-SCDMA MHz

LTE support

LTE frequencies

• LTE 1800 MHz
• LTE 2100 MHz
• LTE 2600 MHz
• LTE-TDD 1900 MHz
• LTE-TDD 2300 MHz
• LTE-TDD 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

• LTE Cat 12

CDMA2000 standards

• 1xEV-DO Rev. A

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

• 802.11a
• 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

Micro USB

USB Type-C

USB standard

2.0

2.0

USB OTG support

USB Mass Storage support

Bluetooth

Built-in Bluetooth

Bluetooth standard

4.0

5.0

Bluetooth LE support

A2DP support

Other Bluetooth profiles

• EDR

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

Connectors and interfaces

USB connector

Micro USB

USB Type-C

TRS jack (mini/micro jack)

3.5 mm

3.5 mm

Wireless NFC

Infrared port (IrDA)

Images

Supported image formats

• PNG
• JPG
• EXIF
• GIF

• PNG
• JPEG
• GIF
• BMP

Installed image editor

Geo tags

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
• 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
• MIDI
• MP3
• WMA
• WAV

• AAC
• 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
• 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

Fingerprint scanner

Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level

1 W/kg