Comparison between:
- Asus ZenFone 2 ZE551ML Z3580
- BLU Studio Mini LTE

Brand and model

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

Asus ZenFone 2 ZE551ML Z3580BLU Studio Mini LTE
Asus ZenFone 2 ZE551ML Z3580
Prices
BLU Studio Mini LTE
Model aliasZE551ML-6J333WW
ZE551ML-6J481WW
ZE551ML-6J337WW
ZE551ML-6J441WW
X100Q

Design

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

Width77.2 mm
7.72 cm
0.25 ft
3.04 in
67.43 mm
6.74 cm
0.22 ft
2.65 in
Height152.5 mm
15.25 cm
0.5 ft
6 in
137.12 mm
13.71 cm
0.45 ft
5.4 in
Thickness10.9 mm
1.09 cm
0.04 ft
0.43 in
9.95 mm
1 cm
0.03 ft
0.39 in
Weight170 g
0.37 lbs
6 oz
144 g
0.32 lbs
5.08 oz
Volume128.33 cm³
7.79 in³
92 cm³
5.59 in³
ColorsWhite
Black
Red
Gray
Gold
Blue
Green
Orange
Yellow
White
Pink
Body materialsPlastic-

SIM card

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

SIM card typeMicro-SIMMicro-SIM
Number of SIM cards21
FeaturesDual SIM active (Both cards are active. While one is busy, the other one may receive calls)-

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
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE 700 MHz Class 17
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz
LTE 1700/2100 MHz
LTE 2600 MHz
LTE 700 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
GPRS
HSPA+
LTE

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 5.0.1 Lollipop
Android 6.0 Marshmallow
Android 4.3 Jelly Bean
User interface (UI)ZenUI-

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.

SoCIntel Atom Z3580Qualcomm Snapdragon 400 MSM8926
Process technology22 nm28 nm
CPUIntel SilvermontARM Cortex-A7
CPU bits64 bit32 bit
Instruction setIA-32 (x86), IA-64 (x64)ARMv7
Level 1 cache memory (L1)24 KB + 32 KB16 KB + 16 KB
Level 2 cache memory (L2)2048 KB
2 MB
1024 KB
1 MB
CPU cores44
CPU frequency2300 MHz1200 MHz
GPUPowerVR G6430 MP4Qualcomm Adreno 305
GPU cores41
GPU frequency533 MHz-
RAM capacity4 GB1 GB
RAM typeLPDDR3-1600-
RAM channelsDouble channel-

Storage

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

Storage32 GB
64 GB
128 GB
4 GB
ZE551ML-6J333WW; ZE551ML-6J481WW - 32 GB
ZE551ML-6J337WW; ZE551ML-6J441WW - 64 GB
-

Memory cards

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

TypesmicroSD
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/technologyIPSIPS
Diagonal size5.5 in
139.7 mm
13.97 cm
4.5 in
114.3 mm
11.43 cm
Width2.7 in
68.49 mm
6.85 cm
2.2 in
56 mm
5.6 cm
Height4.79 in
121.76 mm
12.18 cm
3.92 in
99.64 mm
9.96 cm
Aspect ratio1.778:1
16:9
1.779:1
Resolution1080 x 1920 pixels480 x 854 pixels
Pixel density401 ppi
157 ppcm
218 ppi
85 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area71.06 %60.55 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Corning Gorilla Glass 3
400 cd/m²
-

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Hall
Proximity
Light
Accelerometer

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 modelToshiba T4K37-
Sensor typeCMOS-
Sensor size4.69 x 3.52 mm
0.23 in
-
Pixel size1.145 µm
0.001145 mm
-
Crop factor7.38-
ISO100 - 1600-
Aperturef/2-
Focal length3.8 mm
28.04 mm *(35 mm / full frame)
-
Flash typeDual LEDLED
Image resolution4096 x 3072 pixels
12.58 MP
2581 x 1936 pixels
5 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 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
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
5-element lens-

Secondary camera

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

Sensor modelOmniVision OV5670-
Sensor typePureCel-
Sensor size2.95 x 2.21 mm
0.14 in
-
Pixel size1.151 µm
0.001151 mm
-
Crop factor11.74-
Aperturef/2-
Image resolution2560 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
Angle of view - 85°-

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS

Wi-Fi

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

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

Bluetooth

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

Version4.03.0
FeaturesA2DP
EDR
A2DP

USB

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

Connector typeMicro USBMicro USB
Version2.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
Mass storage

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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
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

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
eAAC+
MIDI
MP3
WMA
WAV
AAC
AMR
eAAC+
MIDI
MP3
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
H.264
MP4
WMV
3GPP
AVI
H.263
H.264
MP4
WMV

Battery

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

Capacity3000 mAh1850 mAh
TypeLi-PolymerLi-Ion
FeaturesFast charging
Non-removable
Removable

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 (EU)0.351 W/kg-
Body SAR (EU)0.332 W/kg-
Head SAR (USA)0.92 W/kg-
Body SAR (USA)0.87 W/kg-
 Asus ZenFone 2 ZE551ML Z3580BLU Studio Mini LTE