Comparison of Nokia Lumia 635 and Xiaomi Redmi 2 smartphones based on their characteristics

Nokia Lumia 635

Xiaomi Redmi 2

Manufacturer and Model

Manufacturer

Nokia

Xiaomi

Phone model

Lumia 635

Redmi 2

Year of release

2014

2014

Appearance

Case type

Monoblock

Monoblock

Body length

130 mm

134 mm

Body width

67 mm

67 mm

Body thickness

9.2 mm

9.2 mm

Weight

134 g

132 g

Volume

79.47 cm³

82.84 cm³

Body materials and finishes

• Plastic

• Plastic

Colors

• Lime
• Orange

• Gray
• Pink
• Yellow
• Light green
• White

Processor (CPU)

Processor model

• Qualcomm Snapdragon 400

• Qualcomm Snapdragon 410

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

2 MB

Processor size

32 bits

64 bits

Instruction set architecture

ARMv7

ARMv8

Manufacturing process

28 nm

28 nm

Graphics Processor (GPU)

GPU

GPU model

• Adreno 305

• Adreno 306

GPU clock speed

400 MHz

Number of GPU cores

1

Primary storage (RAM)

The amount of RAM

512 MB

1 GB

RAM type

LPDDR3

RAM frequency

533 MHz

Number of RAM channels

1

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 410 MSM8916

Operating system

Operating system

Windows Phone 8

Android 4.4

Battery

Battery capacity

1830

2200

Battery type

Li-Ion

Li-Ion

Removable battery

Charging the battery from USB

Fast battery charging

Fast charging technology

Qualcomm Quick Charge 1.0

Call duration in GSM networks

12 h

Standby time in GSM networks

14 h

Call duration in UMTS (WCDMA) networks

648 h

Standby time on UMTS (WCDMA) networks

648 h

Duration of listening to music

58 h

Video watching duration

7 h

Duration of using Wi-Fi

9 h

Screen

Screen diagonal

4.5 in

4.7 in

Screen resolution

800 x 480 pixels

1280 x 720 pixels

Resolution formats

• HD

Pixel density

207 ppi

312 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

1.667

1.778

Auto-rotate screen

Ambient light sensor

Proximity sensor

Main photo/video camera

Camera megapixels

5 Mp

8 Mp

Maximum photo resolution

2592 x 1944 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

Digital zoom

4 X

Photomatrix model

OmniVision OV8825

Photomatrix type

CMOS BSI

Photomatrix size

3.6 x 2.7 mm

4.61 x 3.44 mm

Photomatrix pixel size

1.389 μm

1.414 μm

Crop factor

9.61

7.51

Aperture

f/2.4

f/2.2

Number of lens elements

5

Shooting settings

Autofocus

Auto exposure

Face detector

Panoramic photography

HDR photography

Viewfinder

Continuous photography

Touch focus

Exposure compensation

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

30 fps

Digital video zoom

4 X

Movie settings

Movie settings list

• Incandescent light bulb
• Daylight

• White balance
• Color effects
• Hdr
• Scene selection mode

Front photo/video camera

Front camera megapixels

2 Mp

Maximum photo resolution

1886 x 1061 pixels

Front camera video

Maximum video resolution

1280 x 720 pixels

SIM card and calls

Number of SIM-cards

1

2

Mode of operation of multiple SIM-cards

Alternating

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

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

CDMA2000 support

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

TD-SCDMA support

LTE support

LTE frequencies

• LTE 800 MHz
• LTE 1800 MHz
• LTE 2600 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

LTE-Advanced support

TDD LTE support

Internet data transmission standards

LTE standards

• LTE Cat 3

• LTE Cat 4

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

• 802.11b
• 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 OTG support

USB host support

USB Mass Storage support

Bluetooth

Built-in Bluetooth

Bluetooth standard

4.0

4.0

A2DP support

AVRCP support

Other Bluetooth profiles

• PBAP
• GATT
• HFP
• OPP

Navigation and positioning

Built-in GPS

A-GPS support

Installed GLONASS

Built-in digital compass

Cell ID location

Radio

Built-in radio receiver

Radio range

87.5 - 108 МГц

87.5 - 108 МГц

DRM 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

Images

Supported image formats

• PNG
• JPG
• EXIF
• GIF

• PNG
• JPG
• EXIF
• GIF

Installed image editor

Geo tags

DLNA support

Video

Installed video player

Supported video formats

• MP4
• MPEG-4
• AVI
• 3GPP
• 3GPP2
• QuickTime
• H.263
• H.264
• WMV
• WMV9

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

Video resolution formats

• HD

• Full HD
• HD

Streaming video

Installed video editor

Geo tags

Audio

Installed audio player

Supported audio formats

• AAC
• AMR
• AMR-NB
• AMR-WB
• M4A
• MP3
• WMA
• WAV

• AAC
• eAAC+
• AMR
• AMR-NB
• 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

• MS Outlook
• MS Exchange
• Gmail
• Facebook
• Twitter
• Youtube
• Windows Live Messenger
• Youtube Messenger
• WeChat
• Viber
• LINE
• Hangouts
• MySpace

• 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

Data encryption in the phone

Installed VPN

Additional features

Standalone mode (flight mode)

SAR level

SAR level

0.7 W/kg