Manufacturer and Model

Manufacturer
ASUS
Phone model
Zenfone 4 A450CG
Year of release
2014

Appearance

Case type
Monoblock
Body length
137 mm (millimeters)
Body width
68 mm (millimeters)
Body thickness
6.2 mm (millimeters)
Weight
134 g (grams)
Volume
57.59 cm³ (cubic centimeters)
Body materials and finishes
  • Plastic
Colors

Processor (CPU)

Processor model
  • Intel Atom Z2520
CPU clock speed
1200 MHz (megahertz) place #83
Number of processor cores
2
Level 1 cache (L1)
24 + 32 kB (kilobytes)
Level 2 cache (L2)
512 kB (kilobytes)
Processor size
32 bits
Instruction set architecture
IA-32 (x86)
Manufacturing process
32 nm (nanometers)

Graphics Processor (GPU)

GPU
GPU model
  • PowerVR SGX544MP2
GPU clock speed
300 MHz (megahertz)
Number of GPU cores
2

Primary storage (RAM)

The amount of RAM
1 GB (gigabytes) place #11
RAM type
LPDDR2 (Low Power DDR2)
RAM frequency
533 MHz (megahertz)
Number of RAM channels
2 (two-channel)

Internal storage

Built-in memory
  • 8 GB (gigabytes)
place #19

SD card

Types of Supported Memory Cards
  • microSDXC (Micro Secure Digital eXtended Capacity)
  • microSDHC (Micro Secure Digital High Capacity)
  • microSD (Micro Secure Digital Card, TransFlash)
Maximum expandable memory
64 GB (gigabytes)

Mainboard

Chipset
  • Intel Atom Z2520

Operating system

Operating system
Android 4.4 (KitKat)

Battery

Battery capacity
1750 (milliampere hours)
Battery type
Li-Pol (lithium polymer)
Charging the battery from USB

Screen

Screen diagonal
4.5 in (inches) place #112
Screen resolution
854 x 480 pixels place #106
Pixel density
218 ppi (pixels per inch)
Screen technology
IPS
Color depth
24 bit (16777216 colors)
Touch screen
Touch screen type
Capacitive
Anti-scratch screen
  • corning gorilla glass 3
Glass screen
Aspect ratio
1.779 (16:9)
Auto-rotate screen
Proximity sensor

Main photo/video camera

Camera megapixels
8 Mp (megapixels) place #34
Maximum photo resolution
3264 x 2448 pixels
  • vga (640x480)
  • qvga (320x240)
  • 768x1024
Shooting resolution formats
  • Quad HD (2560 x 1440)
  • Full HD (1920 x 1080)
  • HD (1280 х 720)
The presence of a flash
Flash type
LED
Aperture
f/2
Shooting settings
Autofocus
Face detector
HDR photography
Continuous photography
Touch focus
Scene selection
Video capability
Maximum video resolution
1920 x 1080 pixels
Movie speed
30 fps (frames per second)
Movie settings

Front photo/video camera

Front camera megapixels
0.3 Mp (megapixels) place #37
Maximum photo resolution
730 x 411 pixels
Aperture
f/2.8
Front camera video
Maximum video resolution
640 x 480 pixels

SIM card and calls

Number of SIM-cards
2
Mode of operation of multiple SIM-cards
Alternating
SIM card type
Micro-SIM (3FF, 15 x 12 x 0.76 mm)
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
Data exchange between SIM card and internal memory

Mobile communications

Cellular generation
3.5G (up to 42 Mbps)
GSM support
GSM frequencies
  • GSM 850 MHz
  • GSM 900 MHz
  • GSM 1800 MHz
  • GSM 1900 MHz
UMTS support
UMTS frequencies
  • UMTS 850 MHz
  • UMTS 900 MHz
  • UMTS 1900 MHz
  • UMTS 2100 MHz

Internet data transmission standards

Data transmission standards
  • HSPA+ (42/11 Mbit/s)
  • HSUPA (5.8 Mbit/s)
  • HSDPA (1.8 Mbit/s)
  • EDGE (E-GPRS, 384 kbit/s)
  • GPRS (64 kbit/s)

Wi-Fi

Built-in Wi-Fi
  • wi-fi 802.11 b/g/n
  • wi-fi hotspot
Wi-Fi standards
  • 802.11b (IEEE 802.11.b, 11 Mbit/s, 2.4 GHz)
  • 802.11g (IEEE 802.11.g, 54 Mbit/s, 2.4 GHz)
  • 802.11n (IEEE 802.11.n, 150 Mbit/s, 2.4 GHz)
Wi-Fi Direct support
Wi-Fi hotspot mode

USB

USB connector
USB connector type
Micro USB (7 x 2 mm)
USB standard
2.0 (up to 480 Mbps)
USB OTG support
USB Mass Storage support

Bluetooth

Built-in Bluetooth
Bluetooth standard
4.0 + EDR
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

Sensors and gauges

Proximity sensor
Accelerometer
Orientation and rotation sensor
Magnetometer

Connectors and interfaces

USB connector
Micro USB (7 x 2 mm)
TRS jack (mini/micro jack)
3.5 mm (millimeters)

Images

Supported image formats
  • PNG (Portable Network Graphics, .png)
  • JPG (Joint Photographic Experts Group, .jpg, .jpeg, .jfif, .jpe)
  • EXIF (Exchangeable Image File Format, .exif)
  • GIF (Graphics Interchange Format, .gif)
Installed image editor
Geo tags

Video

Installed video player
Supported video formats
  • MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v)
  • MPEG-4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v)
  • H.263
  • H.264 (MPEG-4 Part 10)
  • H.265 (MPEG-H Part 2)
Video resolution formats
  • Full HD (1920 x 1080)
  • HD (1280 х 720)
Streaming video
Geo tags

Audio

Installed audio player
Supported audio formats
  • AAC (Advanced Audio Coding, .aac)
  • eAAC+ (HE-AAC v2 High Efficiency Advanced Audio Coding)
  • MP3 (MPEG-1/2/2.5 Layer 3, .mp3)
  • WMA (Windows Media Audio, .wma)
  • WAV (Waveform Audio File Format, .wav, .wave)
MP3 support
Streaming audio
Dictaphone
Voice notes
TRS jack (mini/micro jack)
3.5 mm (millimeters)

Control elements

Touch input
  • 2 touches
Multitouch
Pinch zoom
Russified input

Documents and office

Installed Organizer (PIM)
Office document support
Supported document formats
  • PDF (Adobe Portable Document Format, .pdf)
Email
  • smtp
  • imap4
Convert speech to text

Connectivity and synchronization

PC connection
Tethering support
OTA sync
Synchronization with services
  • Gmail (Google Email)
  • Gtalk (Google Talk)
  • Facebook
  • Twitter
  • Youtube
  • Google Search
  • Google Maps

Software features

Installed browser
  • HTML
  • HTML5
  • CSS3
  • WAP

Receiving and sending SMS

SMS messages
SMS T9 support
SMS output in the form of a chat
MMS support

Security

Installed VPN

Additional features

Standalone mode (flight mode)