Comparison between:
- Bluboo Dual
- Ulefone Future
- Ulefone Gemini

Brand and model

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

Bluboo DualUlefone FutureUlefone Gemini
Bluboo Dual
Prices
Ulefone FutureUlefone Gemini
Prices

Design

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

Width76.3 mm
7.63 cm
0.25 ft
3 in
73.5 mm
7.35 cm
0.24 ft
2.89 in
76.8 mm
7.68 cm
0.25 ft
3.02 in
Height151 mm
15.1 cm
0.5 ft
5.94 in
151.5 mm
15.15 cm
0.5 ft
5.96 in
154.5 mm
15.45 cm
0.51 ft
6.08 in
Thickness8 mm
0.8 cm
0.03 ft
0.31 in
8.6 mm
0.86 cm
0.03 ft
0.34 in
9.1 mm
0.91 cm
0.03 ft
0.36 in
Weight153 g
0.34 lbs
5.4 oz
185 g
0.41 lbs
6.53 oz
185 g
0.41 lbs
6.53 oz
Volume92.17 cm³
5.6 in³
95.76 cm³
5.82 in³
107.98 cm³
6.56 in³
ColorsRose-gold
Gold
Gray
Gray
Gold
Black
Gold
Gray
Body materialsAluminium alloyMetalMetal

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 / microSD
Micro-SIM
Nano-SIM / microSD
Micro-SIM
Nano-SIM / microSD
Number of SIM cards222

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 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
LTELTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE 800 MHz
LTE 900 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+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6
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 6.0 MarshmallowAndroid 6.0 MarshmallowAndroid 6.0 Marshmallow
Android 7.0 Nougat

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 MT6737TMediaTek Helio P10 (MT6755)MediaTek MT6737T
Process technology28 nm28 nm28 nm
CPUARM Cortex-A534x 1.95 GHz ARM Cortex-A53, 4x 1.2 GHz ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)32 KB + 32 KB256 KB + 256 KB32 KB + 32 KB
Level 2 cache memory (L2)512 KB
0.5 MB
2048 KB
2 MB
512 KB
0.5 MB
CPU cores484
CPU frequency1500 MHz1950 MHz1500 MHz
GPUARM Mali-T720 MP2ARM Mali-T860 MP2ARM Mali-T720 MP2
GPU cores222
GPU frequency600 MHz700 MHz600 MHz
RAM capacity2 GB4 GB3 GB
RAM typeLPDDR3LPDDR3LPDDR3
RAM channelsSingle channelSingle channelSingle channel
RAM frequency733 MHz933 MHz640 MHz

Storage

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

Storage16 GB32 GB32 GB
eMMC--

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/technologyIPSIPSIPS
Diagonal size5.5 in
139.7 mm
13.97 cm
5.5 in
139.7 mm
13.97 cm
5.5 in
139.7 mm
13.97 cm
Width2.7 in
68.49 mm
6.85 cm
2.7 in
68.49 mm
6.85 cm
2.7 in
68.49 mm
6.85 cm
Height4.79 in
121.76 mm
12.18 cm
4.79 in
121.76 mm
12.18 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution1080 x 1920 pixels1080 x 1920 pixels1080 x 1920 pixels
Pixel density401 ppi
157 ppcm
401 ppi
157 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area72.61 %75.13 %70.51 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
GFF full lamination
1400:1 contrast ratio
400 cd/m²
96% NTSC
Corning Gorilla Glass 3
LTPS (Low Temperature PolySilicon)
Corning Gorilla Glass 3
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
2000:1 contrast ratio
520 cd/m²
96% NTSC
VR headset support

Sensors

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

SensorsProximity
Light
Accelerometer
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Gyroscope
Fingerprint

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor modelSony IMX135 Exmor RSSamsung S5K3P3Panasonic MN34152
Sensor typeCMOSISOCELL-
Sensor size4.69 x 3.52 mm
0.23 in
4.74 x 3.56 mm
0.23 in
-
Pixel size1.127 µm
0.001127 mm
1.029 µm
0.001029 mm
-
Crop factor7.387.29-
ISO--100 - 1600
Aperturef/2f/2f/2.2
Focal length and 35 mm equivalent3.5 mm
25.82 mm *(35 mm / full frame)
-3.5 mm
Number of lenses--5
Flash typeDual LEDDual LEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4608 x 3456 pixels
15.93 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
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
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Secondary rear camera - 2 MP (interpolated from 0.3 MP)
Sensor model - GalaxyCore GC030A (#2)
Sensor size - 1.44 x 1.08 mm (#2)
-Sensor type - SmartFSI
Interpolated resolution - 16 MP
Secondary rear camera - 5 MP (interpolated from 0.3 MP)
Sensor model - GalaxyCore GC030A (#2)
Sensor size - 1.44 x 1.08 mm (#2)

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor modelGalaxyCore GC5005-GalaxyCore GC5005
Sensor typeCMOS-CMOS
Sensor size2.92 x 2.2 mm
0.14 in
-2.92 x 2.2 mm
0.14 in
Pixel size1.127 µm
0.001127 mm
-1.127 µm
0.001127 mm
Crop factor11.84-11.84
Aperture--f/2.8
Focal length and 35 mm equivalent3.5 mm
41.45 mm *(35 mm / full frame)
-4 mm
47.38 mm *(35 mm / full frame)
Image resolution2592 x 1944 pixels
5.04 MP
2560 x 1920 pixels
4.92 MP
2592 x 1944 pixels
5.04 MP
Video resolution--640 x 480 pixels
0.31 MP
Video FPS--30 fps
Interpolated resolution - 8 MP-Interpolated resolution - 8 MP

Audio

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

SpeakerLoudspeakerLoudspeakerLoudspeaker

Radio

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

RadioYesYesYes
RDS-RDS

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GLONASS
GPS
A-GPS
GLONASS

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
Wi-Fi Hotspot
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot

Bluetooth

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

Version4.04.04.0
FeaturesA2DPA2DPA2DP

USB

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

Connector typeMicro USBUSB Type-CMicro USB
Version2.02.02.0
FeaturesCharging
Mass storage
On-The-Go
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 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
HotKnot

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+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
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
Flash Video
MKV
QuickTime
MP4
Xvid
3GPP
AVI
MP4
Xvid
3GPP
AVI
MP4
WebM
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.

Capacity3000 mAh3000 mAh3250 mAh
TypeLi-IonLi-PolymerLi-Polymer
2G talk time-10 h
600 min
0.4 days
15 h
900 min
0.6 days
2G stand-by time-200 h
12000 min
8.3 days
320 h
19200 min
13.3 days
3G talk time-10 h
600 min
0.4 days
15 h
900 min
0.6 days
3G stand-by time-200 h
12000 min
8.3 days
320 h
19200 min
13.3 days
Charger output power5 V / 1.5 A9 V / 2 A5 V / 1.5 A
Quick charge technology--MediaTek Pump Express Plus
FeaturesNon-removableFast charging
Non-removable
Fast charging
Non-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)-0.226 W/kg-
Body SAR (EU)-0.987 W/kg-
Head SAR (USA)-1.18 W/kg-
Body SAR (USA)-0.75 W/kg-
 Bluboo DualUlefone FutureUlefone Gemini