Comparison between:
- iRULU V4
- iRULU Walknbook
- iRULU eXpro X2

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

iRULU V4iRULU WalknbookiRULU eXpro X2
iRULU V4iRULU WalknbookiRULU eXpro X2
Model aliasVictory 4W1002
W1003
-

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width72 mm
7.2 cm
0.24 ft
2.83 in
260 mm
26 cm
0.85 ft
10.24 in
188 mm
18.8 cm
0.62 ft
7.4 in
Height144 mm
14.4 cm
0.47 ft
5.67 in
174 mm
17.4 cm
0.57 ft
6.85 in
108 mm
10.8 cm
0.35 ft
4.25 in
Thickness8 mm
0.8 cm
0.03 ft
0.31 in
9.9 mm
0.99 cm
0.03 ft
0.39 in
10 mm
1 cm
0.03 ft
0.39 in
Weight150 g
0.33 lbs
5.29 oz
587 g
1.29 lbs
20.71 oz
-
Volume82.94 cm³
5.04 in³
447.88 cm³
27.2 in³
203.04 cm³
12.33 in³
ColorsGray
Silver
Orange
Green
Black
White
Pink
Body materialsPlastic-Plastic

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeMicro-SIM-Mini-SIM
Number of SIM cards2-1
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)--

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
-GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
LTELTE 700 MHz Class 17
LTE 800 MHz
LTE 850 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
--

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 4
-UMTS
EDGE Class 12
GPRS Class 12
HSPA+

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)Android 5.1.1 LollipopMicrosoft Windows 8.1Android 5.1 Lollipop

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCQualcomm Snapdragon 210 MSM8909Intel Atom Z3735FMediaTek MT8312
Process technology28 nm22 nm28 nm
CPUARM Cortex-A7Intel Bay TrailARM Cortex-A7
CPU bits32 bit64 bit32 bit
Instruction setARMv7IA-32 (x86), IA-64 (x64)ARMv7
Level 1 cache memory (L1)-24 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)1024 KB
1 MB
2048 KB
2 MB
256 KB
0.25 MB
CPU cores442
CPU frequency1100 MHz1830 MHz1300 MHz
GPUQualcomm Adreno 304Intel HD GraphicsARM Mali-400 MP1
GPU cores--1
GPU frequency400 MHz646 MHz500 MHz
RAM capacity1 GB2 GB1 GB
RAM type-LPDDR3L-RSLPDDR3
RAM channelsSingle channelSingle channel-
RAM frequency533 MHz1333 MHz-

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage8 GB32 GB8 GB

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

TypesmicroSD
microSDHC
microSD
microSDHC
microSDXC
microSD
microSDHC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyIPSIPSTFT
Diagonal size5 in
127 mm
12.7 cm
10.1 in
256.54 mm
25.65 cm
7 in
177.8 mm
17.78 cm
Width2.45 in
62.26 mm
6.23 cm
8.56 in
217.55 mm
21.75 cm
6.04 in
153.41 mm
15.34 cm
Height4.36 in
110.69 mm
11.07 cm
5.35 in
135.97 mm
13.6 cm
3.54 in
89.89 mm
8.99 cm
Aspect ratio1.778:1
16:9
1.6:1
16:10
1.707:1
Resolution720 x 1280 pixels1280 x 800 pixels1024 x 600 pixels
Pixel density294 ppi
115 ppcm
149 ppi
58 ppcm
170 ppi
66 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area66.69 %65.59 %68.13 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Corning Gorilla Glass 3
2.5D curved glass screen
OGS (One Glass Solution)
Viewing angle - 178°
-

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Compass
Hall
AccelerometerAccelerometer

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor typeCMOSCMOSCMOS
Flash typeLED--
Image resolution3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
640 x 480 pixels
0.31 MP
Video resolution1920 x 1080 pixels
2.07 MP
-640 x 480 pixels
0.31 MP
Video FPS30 fps-30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Scene mode
Digital zoom
Self-timer
-

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Image resolution1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
640 x 480 pixels
0.31 MP
Video resolution--640 x 480 pixels
0.31 MP

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Loudspeaker
Stereo speakers
Loudspeaker

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioYesNo-

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
-GPS
A-GPS

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11b
802.11g
802.11n
802.11b
802.11g
802.11n
Wi-Fi Direct

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version4.04.03.0
FeaturesA2DPA2DPA2DP

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go

HDMI

The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.

HDMI-Mini HDMI (Type C)-

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecsAAC
AMR
eAAC+
MIDI
MP3
OGG
WMA
WAV
AAC
AC3
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs3GPP
AVI
MPEG-4
Xvid
3GPP
AVI
H.263
H.264
MKV
QuickTime
MP4
VC-1
Xvid
3GPP
AVI
H.263
H.264
MPEG-4
VC-1
VP8
WMV
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity2500 mAh7800 mAh2800 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
2G talk time6 h
360 min
0.3 days
--
2G stand-by time240 h
14400 min
10 days
--
3G talk time6 h
360 min
0.3 days
--
3G stand-by time240 h
14400 min
10 days
--
Charger output power-5 V / 2 A5 V / 1.5 A
FeaturesFast charging
Removable
Non-removableNon-removable
-Battery life - up to 7 h-

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (USA)0.906 W/kg--
Body SAR (USA)1.04 W/kg--

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional features-Docking connector-
 iRULU V4iRULU WalknbookiRULU eXpro X2