Comparison between:
- Bluboo Xfire 2
- IUNI U2
- Meizu m3 note
- Bluboo Xfire

Brand and model

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

Bluboo Xfire 2

Bluboo Xfire 2

Dimensions: 70.5 x 142 x 7.6 mm
Weight: 135 g
SoC: Mediatek MT6580A
CPU: ARM Cortex-A7, 1300 MHz, Cores: 4
GPU: ARM Mali-400 MP2
RAM: 1 GB, 533 MHz
Storage: 8 GB
Display: 5 in, IPS, 720 x 1280 pixels, 24 bit
Battery: 2150 mAh, Li-Polymer
OS: Android 5.1 Lollipop
Camera: 2592 x 1944 pixels, 1920 x 1080 pixels, 30 fps

Prices
IUNI U2

IUNI U2

Dimensions: 65 x 136.9 x 10.2 mm
Weight: 145 g
SoC: Qualcomm Snapdragon 800 MSM8974AA
CPU: Krait 400, 2200 MHz, Cores: 4
GPU: Qualcomm Adreno 330, 450 MHz
RAM: 2 GB, 3 GB, 800 MHz
Storage: 16 GB, 32 GB
Display: 4.7 in, IPS, 1080 x 1920 pixels, 24 bit
Battery: 2200 mAh, Li-Polymer
OS: IUNI (Android 4.3 Jelly Bean)
Camera: 4608 x 3456 pixels, 1920 x 1080 pixels, 60 fps

Prices
Meizu m3 note

Meizu m3 note

Dimensions: 75.5 x 153.6 x 8.2 mm
Weight: 163 g
SoC: MediaTek Helio P10 (MT6755)
CPU: 4x 1.8 GHz ARM Cortex-A53, 4x 1.2 GHz ARM Cortex-A53, Cores: 8
GPU: ARM Mali-T860 MP2, 700 MHz
RAM: 2 GB, 3 GB, 933 MHz
Storage: 16 GB, 32 GB
Display: 5.5 in, IPS, 1080 x 1920 pixels, 24 bit
Battery: 4100 mAh, Li-Polymer
OS: FlyMe 5.1 (Android 5.1 Lollipop)
Camera: 4208 x 3120 pixels, 1920 x 1080 pixels, 30 fps

Prices
Bluboo Xfire

Bluboo Xfire

Dimensions: 71.5 x 140.2 x 9.3 mm
Weight: 145 g
SoC: MediaTek MT6735M
CPU: ARM Cortex-A53, 1000 MHz, Cores: 4
GPU: ARM Mali-T720 MP2, 500 MHz
RAM: 1 GB, 533 MHz
Storage: 8 GB
Display: 5 in, IPS, 540 x 960 pixels, 24 bit
Battery: 2750 mAh, Li-Polymer
OS: Android 5.1 Lollipop
Camera: 2592 x 1944 pixels, 1920 x 1080 pixels, 30 fps

Model alias-U810M681Q-

Design

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

Width70.5 mm
7.05 cm
0.23 ft
2.78 in
65 mm
6.5 cm
0.21 ft
2.56 in
75.5 mm
7.55 cm
0.25 ft
2.97 in
71.5 mm
7.15 cm
0.23 ft
2.81 in
Height142 mm
14.2 cm
0.47 ft
5.59 in
136.9 mm
13.69 cm
0.45 ft
5.39 in
153.6 mm
15.36 cm
0.5 ft
6.05 in
140.2 mm
14.02 cm
0.46 ft
5.52 in
Thickness7.6 mm
0.76 cm
0.02 ft
0.3 in
10.2 mm
1.02 cm
0.03 ft
0.4 in
8.2 mm
0.82 cm
0.03 ft
0.32 in
9.3 mm
0.93 cm
0.03 ft
0.37 in
Weight135 g
0.3 lbs
4.76 oz
145 g
0.32 lbs
5.11 oz
163 g
0.36 lbs
5.75 oz
145 g
0.32 lbs
5.11 oz
Volume76.08 cm³
4.62 in³
90.76 cm³
5.51 in³
95.09 cm³
5.77 in³
93.23 cm³
5.66 in³
ColorsGold
Rose-gold
Gray
Silver
Black
Silver
Green
Gold
Gray
Silver
Black
Blue
White
Body materialsMetalAluminium alloyMetalPlastic

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
Nano-SIM
Micro-SIMNano-SIM
Nano-SIM / microSD
Micro-SIM
Mini-SIM
Number of SIM cards2122
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)--Dual 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
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMA--CDMA 800 MHz-
W-CDMAW-CDMA 850 MHz
W-CDMA 2100 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
TD-SCDMA--TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-
UMTS--UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
-
LTE--LTE 1800 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 800 MHz
LTE 1800 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+
UMTS
EDGE
GPRS
HSPA+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4

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 LollipopIUNI (Android 4.3 Jelly Bean)FlyMe 5.1 (Android 5.1 Lollipop)Android 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.

SoCMediatek MT6580AQualcomm Snapdragon 800 MSM8974AAMediaTek Helio P10 (MT6755)MediaTek MT6735M
Process technology28 nm28 nm28 nm28 nm
CPUARM Cortex-A7Krait 4004x 1.8 GHz ARM Cortex-A53, 4x 1.2 GHz ARM Cortex-A53ARM Cortex-A53
CPU bits32 bit32 bit64 bit64 bit
Instruction setARMv7ARMv7ARMv8ARMv8-A
Level 0 cache memory (L0)-4 KB + 4 KB--
Level 1 cache memory (L1)32 KB + 32 KB16 KB + 16 KB256 KB + 256 KB32 KB + 32 KB
Level 2 cache memory (L2)512 KB
0.5 MB
2048 KB
2 MB
2048 KB
2 MB
512 KB
0.5 MB
CPU cores4484
CPU frequency1300 MHz2200 MHz1800 MHz1000 MHz
GPUARM Mali-400 MP2Qualcomm Adreno 330ARM Mali-T860 MP2ARM Mali-T720 MP2
GPU cores2422
GPU frequency-450 MHz700 MHz500 MHz
RAM capacity1 GB2 GB
3 GB
2 GB
3 GB
1 GB
RAM typeLPDDR3LPDDR3LPDDR3LPDDR3
RAM channelsSingle channelDouble channelSingle channelSingle channel
RAM frequency533 MHz800 MHz933 MHz533 MHz

Storage

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

Storage8 GB16 GB
32 GB
16 GB
32 GB
8 GB
eMMC 5.0-eMMC 5.1-

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
-microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

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

Type/technologyIPSIPSIPSIPS
Diagonal size5 in
127 mm
12.7 cm
4.7 in
119.38 mm
11.94 cm
5.5 in
139.7 mm
13.97 cm
5 in
127 mm
12.7 cm
Width2.45 in
62.26 mm
6.23 cm
2.3 in
58.53 mm
5.85 cm
2.7 in
68.49 mm
6.85 cm
2.45 in
62.26 mm
6.23 cm
Height4.36 in
110.69 mm
11.07 cm
4.1 in
104.05 mm
10.4 cm
4.79 in
121.76 mm
12.18 cm
4.36 in
110.69 mm
11.07 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution720 x 1280 pixels1080 x 1920 pixels1080 x 1920 pixels540 x 960 pixels
Pixel density294 ppi
115 ppcm
469 ppi
184 ppcm
401 ppi
157 ppcm
220 ppi
86 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area69.07 %68.66 %72.14 %68.97 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
2.5D curved glass screen
Full Lamination Technology
Viewing angle - 178°
Corning Gorilla Glass 3
LTPS (Low Temperature PolySilicon)
NEG Dinorex T2X-1 Glass
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1000:1 contrast ratio
450 cd/m²
GFF full lamination
1000:1 contrast ratio
450 cd/m²
Viewing angle - 178°

Sensors

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

SensorsProximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
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 model-OmniVision OV16825OmniVision OV13853OmniVision OV5648
Sensor typeCMOSCMOS BSI 2PureCelCMOS BSI+
Sensor size-6.24 x 4.67 mm
0.31 in
4.82 x 3.68 mm
0.24 in
3.67 x 2.74 mm
0.18 in
Pixel size-1.354 µm
0.001354 mm
1.144 µm
0.001144 mm
1.417 µm
0.001417 mm
Crop factor-5.557.149.44
ISO-100 - 1600100 - 1600-
Aperture-f/2.2f/2.2f/2.4
Focal length-5.45 mm
30.25 mm *(35 mm / full frame)
3.5 mm
24.99 mm *(35 mm / full frame)
3.5 mm
33.05 mm *(35 mm / full frame)
Flash typeLEDLEDDual LEDLED
Image resolution2592 x 1944 pixels
5.04 MP
4608 x 3456 pixels
15.93 MP
4208 x 3120 pixels
13.13 MP
2592 x 1944 pixels
5.04 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps60 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
Self-timer
Scene mode
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Interpolated resolution - 8 MP-Phase detection
5-element lens
Corning Gorilla Glass 3 lens protection
Interpolated resolution - 8 MP

Secondary camera

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

Sensor model--Samsung S5K5E8GalaxyCore GC2145
Sensor type-CMOS BSICMOSCMOS
Sensor size-5.44 x 3.07 mm
0.25 in
2.9 x 2.15 mm
0.14 in
2.8 x 2.1 mm
0.14 in
Pixel size-2.024 µm
0.002024 mm
1.119 µm
0.001119 mm
1.75 µm
0.00175 mm
Crop factor-6.9311.9912.36
Aperture-f/2.0f/2.0f/2.8
Focal length--3.5 mm
41.95 mm *(35 mm / full frame)
3.5 mm
43.27 mm *(35 mm / full frame)
Image resolution1600 x 1200 pixels
1.92 MP
2688 x 1520 pixels
4.09 MP
2592 x 1944 pixels
5.04 MP
1600 x 1200 pixels
1.92 MP
Video resolution-1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
640 x 480 pixels
0.31 MP
Video FPS-30 fps30 fps30 fps
Wide-angle lens - 88°
Interpolated resolution - 5 MP
-4-element lensWide-angle lens - 88°
Interpolated resolution - 5 MP

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
LoudspeakerLoudspeaker
Earpiece

Radio

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

RadioYesNoNoYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
A-GPS
GPS
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
802.11n 5GHz
Dual band
Wi-Fi Hotspot
802.11b
802.11g
802.11n
802.11ac
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
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.

Version4.04.04.04.0
FeaturesA2DP
LE
A2DPA2DP
EDR
LE
A2DP
LE

USB

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

Connector typeMicro USBMicro USBMicro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Charging
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 jackYesYesYesYes

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
VoLTE
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
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
WMA
WAV
AAC
AMR
eAAC+
MP3
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
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
MKV
MP4
WMV
Xvid
3GPP
H.263
H.264
MPEG-4
WMV
3GPP
AVI
Flash Video
MKV
QuickTime
MP4
Xvid
3GPP
AVI
MKV
MP4
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.

Capacity2150 mAh2200 mAh4100 mAh2750 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time-9 h
540 min
0.4 days
15 h
900 min
0.6 days
-
2G stand-by time-220 h
13200 min
9.2 days
--
3G talk time-9 h
540 min
0.4 days
15 h
900 min
0.6 days
-
3G stand-by time-220 h
13200 min
9.2 days
--
Charger output power5 V / 1 A-5 V / 2 A5 V / 0.7 A
FeaturesNon-removableNon-removableNon-removableFast charging
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 (USA)--0.417 W/kg-
Body SAR (USA)--0.893 W/kg-