Comparison of Nokia X7 and Acer Allegro smartphones based on their characteristics

Nokia X7

Acer Allegro

Manufacturer and Model

Manufacturer

Nokia

Acer

Phone model

X7

Allegro

Year of release

2011

2011

Appearance

Case type

Monoblock

Monoblock

Body length

120 mm

116 mm

Body width

63 mm

59 mm

Body thickness

11.9 mm

12 mm

Weight

146 g

130 g

Volume

89.45 cm³

81.99 cm³

Body materials and finishes

• Metal
• Plastic

• Plastic

Colors

• Black
• Silver

• Black
• White

Processor (CPU)

Processor model

• ARM 11

• Qualcomm 8255

CPU clock speed

680 MHz

1000 MHz

Number of processor cores

1

1

Level 1 cache (L1)

32 + 32 kB

Level 2 cache (L2)

384 kB

Processor size

32 bits

Instruction set architecture

ARMv7

Manufacturing process

45 nm

Graphics Processor (GPU)

GPU

GPU model

• Broadcom BCM2727

• AMD Adreno 205

Primary storage (RAM)

The amount of RAM

256 MB

512 MB

RAM type

LPDDR2

RAM frequency

500 MHz

Number of RAM channels

2

Internal storage

Built-in memory

• 350 MB

• 8 GB

SD card

Types of Supported Memory Cards

• microSDHC
• microSD

• microSDHC
• microSD

Maximum expandable memory

32 GB

32 GB

Hot swappable memory card

Mainboard

Chipset

• Qualcomm Snapdragon S2 MSM8255

Operating system

Operating system

Symbian Anna

Windows Phone 7.5

Battery

Battery capacity

1700

1300

Battery type

Li-Ion

Li-Ion

Removable battery

Charging the battery from USB

Call duration in GSM networks

6 h 30 min

6 h

Standby time in GSM networks

450 h

400 h

Call duration in UMTS (WCDMA) networks

4 h 30 min

6 h

Standby time on UMTS (WCDMA) networks

450 h

Duration of listening to music

50 h

Video recording duration

6 h

Video watching duration

6 h

Screen

Screen diagonal

4 in

3.6 in

Screen resolution

640 x 360 pixels

800 x 480 pixels

Pixel density

184 ppi

259 ppi

Screen technology

AMOLED

TFT

Color depth

24 bit

18 bit

Touch screen

Touch screen type

Capacitive

Capacitive

Aspect ratio

1.778

1.667

Auto-rotate screen

Ambient light sensor

Proximity sensor

Main photo/video camera

Camera megapixels

8 Mp

5 Mp

Maximum photo resolution

3264 x 2448 pixels

2592 x 1944 pixels

Shooting resolution formats

• Quad HD
• Full HD
• HD

• Quad HD
• Full HD
• HD

The presence of a flash

Flash type

Dual LED

LED

Digital zoom

2 X

Shooting settings

Autofocus

Auto exposure

Red eye reduction

Face detector

Smile detector

Viewfinder

Video capability

Maximum video resolution

1280 x 720 pixels

1280 x 720 pixels

Movie speed

25 fps

30 fps

Digital video zoom

3 X

Movie settings

SIM card and calls

Number of SIM-cards

1

1

MP3 ringtones

Polyphonic ringtones

Video ringtones

Vibration mode

Speakerphone

Conference call

Speed dial

Video calls

Autodial

Sound indication of talk time

Ability to mute the microphone during a call

Extended phone book

Contacts in the phone book

Unlimited

Data exchange between SIM card and internal memory

Mobile communications

Cellular generation

3.5G

3.5G

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

UMTS support

UMTS frequencies

• UMTS 850 MHz
• UMTS 900 MHz
• UMTS 1700 MHz
• UMTS 1900 MHz
• UMTS 2100 MHz

• UMTS 850 MHz
• UMTS 900 MHz
• UMTS 1900 MHz
• UMTS 2100 MHz

Internet data transmission standards

Data transmission standards

• HSUPA
• HSDPA
• EDGE
• GPRS

• HSDPA
• EDGE
• GPRS

Wi-Fi

Built-in Wi-Fi

Wi-Fi standards

• 802.11b
• 802.11g
• 802.11n

USB

USB connector

USB connector type

Micro USB

Micro USB

USB standard

2.0

2.0

USB OTG support

USB Mass Storage support

Bluetooth

Built-in Bluetooth

Bluetooth standard

3.0

2.1 + EDR

A2DP support

AVRCP support

Bluetooth print support

Other Bluetooth profiles

• GAVDP
• HFP
• HSP
• OPP

Navigation and positioning

Built-in GPS

A-GPS support

Built-in digital compass

Radio

Built-in radio receiver

Radio range

87.5 - 108 МГц,76 - 90 МГц

87.5 - 108.0

RDS support

DRM support

Radio recording

Sensors and gauges

Ambient light sensor

Proximity sensor

Accelerometer

Orientation and rotation sensor

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

Installed image editor

Geo tags

PictBridge support

DLNA support

MTP support

AirPlay support

Video

Installed video player

Supported video formats

• 3GPP
• H.264

• MPEG-4
• H.263
• H.264
• WMV

Video resolution formats

• HD

• HD

Streaming video

Installed video editor

Geo tags

Audio

Installed audio player

Supported audio formats

• AAC
• eAAC+
• AMR-NB
• AMR-WB
• AU
• MP3
• WMA

• AAC
• eAAC+
• MP3
• WMA
• WAV

MP3 support

Max audio bitrate

320 kbit/s

Built-in stereo speakers

Streaming audio

Stereo Widening support

DNSe support

Number of polyphony voices

64

64

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
• ZIP

• PDF

Bluetooth print support

Email

Connectivity and synchronization

PC connection

Synchronization over the mobile network

OTA sync

Synchronization with services

• MS Outlook
• MS Exchange
• Gmail
• Facebook

Software features

JAVA support

Installed browser

• HTML
• WAP

• HTML
• HTML5
• WAP

Installed games

Receiving and sending SMS

SMS messages

SMS T9 support

SMS output in the form of a chat

EMS support

MMS support

Additional features

Standalone mode (flight mode)

SAR level

SAR level

0.94 W/kg

0.55 W/kg