Comparison of Watchtech V4 and Watchtech V5 smartphones based on their characteristics

Watchtech V4

Watchtech V5

Manufacturer and Model

Manufacturer

Watchtech

Watchtech

Phone model

V4

V5

Year of release

2012

2013

Appearance

Case type

Watch

Watch

Body length

50 mm

60 mm

Body width

40 mm

43 mm

Body thickness

13 mm

14 mm

Weight

48 g

48 g

Volume

26 cm³

36.12 cm³

Body materials and finishes

• Plastic

• Metal
• Plastic

Colors

• Black

• Brown

Processor (CPU)

Number of processor cores

1

1

Graphics Processor (GPU)

GPU

Internal storage

Built-in memory

• 505 kB

• 761 kB

SD card

Types of Supported Memory Cards

• microSDHC
• microSD

• microSDHC
• microSD

Maximum expandable memory

16 GB

32 GB

Battery

Battery capacity

1000

360

Battery type

Li-Ion

Li-Ion

Charging the battery from USB

Call duration in GSM networks

2 h

3 h

Standby time in GSM networks

120 h

120 h

Screen

Screen diagonal

1.6 in

1.45 in

Screen resolution

128 x 128 pixels

128 x 128 pixels

Pixel density

113 ppi

125 ppi

Screen technology

TFT

TFT

Color depth

18 bit

18 bit

Touch screen

Touch screen type

Resistive

Resistive

Aspect ratio

1

1

Main photo/video camera

Camera megapixels

1.3 Mp

0.3 Mp

Maximum photo resolution

1280 x 1024 pixels

640 x 480 pixels

Shooting settings

Video capability

Movie settings

SIM card and calls

Number of SIM-cards

1

1

MP3 ringtones

Polyphonic ringtones

Vibration mode

Speakerphone

Conference call

Speed dial

Autodial

Ability to mute the microphone during a call

Extended phone book

Contacts in the phone book

250

800

Data exchange between SIM card and internal memory

Mobile communications

Cellular generation

2.5G

2.5G

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

Internet data transmission standards

Data transmission standards

• EDGE
• GPRS

• EDGE
• GPRS

USB

USB connector

Bluetooth

Built-in Bluetooth

Bluetooth standard

2.0

A2DP support

Radio

Built-in radio receiver

Radio range

87.5 - 108 МГц

87.5 - 108 МГц

Images

Supported image formats

• JPG
• GIF

• JPG
• EXIF

Video

Installed video player

Supported video formats

• MP4
• 3GPP

• MP4
• AVI
• 3GPP

Audio

Installed audio player

Supported audio formats

• MIDI
• MP3

• AMR
• MIDI
• MP3
• WAV

MP3 support

Number of polyphony voices

64

64

Dictaphone

Voice notes

Control elements

Touch input

Russified input

Documents and office

Installed Organizer (PIM)

Office document support

Handwriting recognition

Connectivity and synchronization

PC connection

Software features

JAVA support

Installed browser

• HTML
• WAP

• HTML
• WAP

Installed games

Receiving and sending SMS

SMS messages

SMS T9 support

MMS support

Additional features

Standalone mode (flight mode)