Comparison between:
- InnJoo 4
- InnJoo Fire4 Plus
- InnJoo Max4 Pro
- InnJoo Fire4

Brand and model

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

InnJoo 4InnJoo Fire4 PlusInnJoo Max4 ProInnJoo Fire4
InnJoo 4InnJoo Fire4 PlusInnJoo Max4 ProInnJoo Fire4
Model alias-Fire 4 Plus
Fire4Plus
Max 4 Pro
Max4Pro
Fire 4

Design

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

Width75.6 mm
7.56 cm
0.25 ft
2.98 in
76.4 mm
7.64 cm
0.25 ft
3.01 in
82.3 mm
8.23 cm
0.27 ft
3.24 in
70.6 mm
7.06 cm
0.23 ft
2.78 in
Height151.8 mm
15.18 cm
0.5 ft
5.98 in
154 mm
15.4 cm
0.51 ft
6.06 in
164.1 mm
16.41 cm
0.54 ft
6.46 in
144 mm
14.4 cm
0.47 ft
5.67 in
Thickness9.6 mm
0.96 cm
0.03 ft
0.38 in
8 mm
0.8 cm
0.03 ft
0.31 in
8.3 mm
0.83 cm
0.03 ft
0.33 in
7.9 mm
0.79 cm
0.03 ft
0.31 in
Weight175 g
0.39 lbs
6.17 oz
185 g
0.41 lbs
6.53 oz
206 g
0.46 lbs
7.29 oz
175 g
0.39 lbs
6.17 oz
Volume110.17 cm³
6.69 in³
94.12 cm³
5.72 in³
112.1 cm³
6.81 in³
80.31 cm³
4.88 in³
ColorsBlack
Gold
GoldBlack
Gold
Gray
Gold
Body materialsMetalMetalMetalMetal

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
Micro-SIM
Nano-SIM / microSD
Number of SIM cards2222

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
W-CDMA-W-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
-
UMTSUMTS 900 MHz
UMTS 2100 MHz
--UMTS 900 MHz
UMTS 2100 MHz
LTELTE 1800 MHzLTE 800 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 1800 MHzLTE 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+
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
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 7.0 NougatAndroid 7.0 NougatAndroid 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 Helio X20 (MT6797)MediaTek MT6750TMediaTek MT6750MediaTek MT6737
Process technology20 nm28 nm28 nm28 nm
CPU2x 2.3 GHz ARM Cortex-A72, 4x 1.85 GHz ARM Cortex-A53, 4x 1.4 GHz ARM Cortex-A534x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A534x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)-512 KB
0.5 MB
512 KB
0.5 MB
512 KB
0.5 MB
CPU cores10884
CPU frequency2300 MHz1500 MHz1500 MHz1300 MHz
GPUARM Mali-T880 MP4ARM Mali-T860 MP2ARM Mali-T860 MP2ARM Mali-T720 MP1
GPU cores4221
GPU frequency780 MHz650 MHz520 MHz600 MHz
RAM capacity4 GB2 GB3 GB
4 GB
2 GB
RAM typeLPDDR3LPDDR3LPDDR3LPDDR3
RAM channelsDouble channelSingle channelSingle channelSingle channel
RAM frequency800 MHz833 MHz667 MHz640 MHz

Storage

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

Storage64 GB32 GB32 GB
64 GB
16 GB

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
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 size5.5 in
139.7 mm
13.97 cm
5.5 in
139.7 mm
13.97 cm
6 in
152.4 mm
15.24 cm
5 in
127 mm
12.7 cm
Width2.7 in
68.49 mm
6.85 cm
2.7 in
68.49 mm
6.85 cm
2.94 in
74.72 mm
7.47 cm
2.45 in
62.26 mm
6.23 cm
Height4.79 in
121.76 mm
12.18 cm
4.79 in
121.76 mm
12.18 cm
5.23 in
132.83 mm
13.28 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
Resolution1080 x 1920 pixels1080 x 1920 pixels720 x 1280 pixels720 x 1280 pixels
Pixel density401 ppi
157 ppcm
401 ppi
157 ppcm
245 ppi
96 ppcm
294 ppi
115 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area72.9 %71.11 %73.72 %68.01 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
2.5D curved glass screen2.5D curved glass screen
GFF full lamination
450 cd/m²
2.5D curved glass screen
GFF full lamination
2.5D curved glass screen

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Fingerprint
Proximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Fingerprint

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 modelSony IMX258 Exmor RSSony IMX258 Exmor RS--
Sensor typeCMOSCMOSCMOSCMOS
Sensor size4.71 x 3.49 mm
0.23 in
4.71 x 3.49 mm
0.23 in
--
Pixel size1.133 µm
0.001133 mm
1.133 µm
0.001133 mm
--
Crop factor7.377.37--
Aperturef/1.8f/2f/1.8f/2
Flash typeDual LEDDual LEDDual LEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4608 x 3456 pixels
15.93 MP
4160 x 3120 pixels
12.98 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 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
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
Autofocus
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
Phase detection
6-element lens
Interpolated resolution - 16 MP
Phase detection
5-element lens
Secondary rear camera - 5 MP
Phase detection
6-element lens
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 type-CMOS BSICMOS BSI-
Aperture---f/2.4
Flash typeLEDLEDLEDLED
Image resolution2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps30 fps

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GPS
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
Wi-Fi Direct
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
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.

Version4.04.04.04.0
FeaturesA2DPA2DP
EDR
A2DP
EDR
A2DP

USB

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

Connector typeUSB Type-CUSB Type-CMicro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
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
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
AAC+
AMR
AMR-WB
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
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
DivX
Flash Video
H.263
H.264
H.265
MKV
QuickTime
MP4
WebM
WMV
Xvid
3GPP
AVI
Flash Video
H.263
H.264
QuickTime
MP4
Xvid
3GPP
AVI
Flash Video
H.263
H.264
MKV
QuickTime
MP4
Xvid
3GPP
AVI
Flash Video
H.263
H.264
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.

Capacity3400 mAh3000 mAh4800 mAh2500 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time15 h
900 min
0.6 days
13 h
780 min
0.5 days
15 h
900 min
0.6 days
9 h
540 min
0.4 days
2G stand-by time220 h
13200 min
9.2 days
280 h
16800 min
11.7 days
240 h
14400 min
10 days
288 h
17280 min
12 days
3G talk time15 h
900 min
0.6 days
13 h
780 min
0.5 days
15 h
900 min
0.6 days
9 h
540 min
0.4 days
3G stand-by time220 h
13200 min
9.2 days
280 h
16800 min
11.7 days
240 h
14400 min
10 days
288 h
17280 min
12 days
Charger output power9 V / 2 A5 V / 2 A9 V / 2 A5 V / 1 A
Quick charge technologyMediaTek Pump Express---
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Non-removable
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