Comparison between:
- Wileyfox Spark X
- Apple iPhone 6s Plus
- Asus ZenFone 4 Selfie Pro
- Santin Max 4 Pro

Brand and model

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

Wileyfox Spark XApple iPhone 6s PlusAsus ZenFone 4 Selfie ProSantin Max 4 Pro
Wileyfox Spark XApple iPhone 6s Plus
Prices
Asus ZenFone 4 Selfie ProSantin Max 4 Pro
Model alias-A1633
A1687
A1691
A1700
ZD552KLMax4Pro
Max 4Pro

Design

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

Width78.6 mm
7.86 cm
0.258 ft
3.094 in
77.9 mm
7.79 cm
0.256 ft
3.067 in
74.83 mm
7.483 cm
0.246 ft
2.946 in
81.5 mm
8.15 cm
0.267 ft
3.209 in
Height154.35 mm
15.435 cm
0.506 ft
6.077 in
158.2 mm
15.82 cm
0.519 ft
6.228 in
154.02 mm
15.402 cm
0.505 ft
6.064 in
162 mm
16.2 cm
0.531 ft
6.378 in
Thickness8.75 mm
0.875 cm
0.029 ft
0.344 in
7.3 mm
0.73 cm
0.024 ft
0.287 in
6.85 mm
0.685 cm
0.022 ft
0.27 in
8.3 mm
0.83 cm
0.027 ft
0.327 in
Weight162 g
0.36 lbs
5.75 oz
192 g
0.42 lbs
6.77 oz
147 g
0.32 lbs
5.19 oz
202 g
0.45 lbs
7.13 oz
Volume106.15 cm³
6.45 in³
89.96 cm³
5.46 in³
78.95 cm³
4.79 in³
109.58 cm³
6.66 in³
ColorsBlack
White
Gray
Silver
Gold
Rose-gold
Red
Gold
Black
Black
Body materialsPlasticAluminium alloy-Metal
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-SIMNano-SIMNano-SIM
Nano-SIM / microSD
Micro-SIM
Nano-SIM / microSD
Number of SIM cards2122
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)---
--SIM1 - 2G; 3G; 4G
SIM2 - 2G; 3G; 4G
-

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
CDMA 1700/2100 MHz
CDMA 1900 MHz
CDMA 800 MHz-
CDMA2000-1xEV-DO Rev. A--
TD-SCDMA--TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-
UMTSUMTS 900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 800 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 900 MHz
UMTS 2100 MHz
LTELTE 800 MHz
LTE 1800 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 Class 13
LTE 700 MHz Class 17
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE AWS (B4)
LTE 700 MHz (B12)
LTE 800 MHz (B18)
LTE 800 MHz (B19)
LTE 800 MHz (B20)
LTE 1900+ MHz (B25)
LTE 800 MHz (B26)
LTE 800 MHz SMR (B27)
LTE 700 MHz APT (B28)
LTE 700 MHz de (B29)
LTE 2300 MHz (B30)
LTE 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 (B12)
LTE 800 MHz (B18)
LTE 800 MHz (B19)
LTE 850 MHz (B26)
LTE 700 MHz (B28)
LTE 850 MHz
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)

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
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
LTE Cat 7
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)CyanogenMod 13 (Android 6.0 Marshmallow)iOS 9
iOS 10
iOS 11.4
iOS 12.3
IOS 13.5.1
Android 7.1.1 NougatAndroid 7.0 Nougat
User interface (UI)--ZenUI 4.0-

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 MT6735Apple A9 APL1022Qualcomm Snapdragon 625 MSM8953MediaTek MT6750
Process technology28 nm14 nm14 nm28 nm
CPUARM Cortex-A53Apple TwisterARM Cortex-A534x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8ARMv8-A
Level 1 cache memory (L1)32 KB + 32 KB64 KB + 64 KB-32 KB + 32 KB
Level 2 cache memory (L2)512 KB
0.5 MB
3072 KB
3 MB
-512 KB
0.5 MB
Level 3 cache memory (L3)-8192 KB
8 MB
--
CPU cores4288
CPU frequency1300 MHz1840 MHz2200 MHz1500 MHz
GPUARM Mali-T720 MP1PowerVR GT7600Qualcomm Adreno 506ARM Mali-T860 MP2
GPU cores16-2
GPU frequency600 MHz--520 MHz
RAM capacity2 GB2 GB3 GB
4 GB
4 GB
RAM typeLPDDR3LPDDR4LPDDR3LPDDR3
RAM channelsSingle channel-Single channelSingle channel
RAM frequency640 MHz-933 MHz667 MHz
-M9 motion coprocessor
Samsung N66AP - 14 nm
TSMC N66mAP - 16 nm
--

Storage

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

Storage16 GB16 GB
64 GB
128 GB
64 GB64 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

Display

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

Type/technologyIPSIPSAMOLEDIPS
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
6 in
152.4 mm
15.24 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
2.94 in
74.72 mm
7.47 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
5.23 in
132.83 mm
13.28 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 pixels720 x 1280 pixels
Pixel density267 ppi
104 ppcm
401 ppi
157 ppcm
401 ppi
157 ppcm
245 ppi
96 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area68.96 %67.89 %72.59 %75.41 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Dragontrail glass
2.5D curved glass screen
Full Lamination Technology
800:1 contrast ratio
420 cd/m²
Retina HD display
Force Touch
1300:1 contrast ratio
500 cd/m²
Full sRGB standard
Oleophobic (lipophobic) coating
LED-backlit
Corning Gorilla Glass 3
2.5D curved glass screen
Bluelight Filter
500 cd/m²
100% NTSC
-

Sensors

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

SensorsProximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Proximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
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 modelSamsung S5K3M2Sony IMX315 Exmor RSSony IMX351 Exmor RSSamsung S5K3P3
Sensor typeISOCELLCMOSCMOSISOCELL
Sensor size4.69 x 3.52 mm
0.23 in
4.8 x 3.6 mm
0.24 in
-4.74 x 3.56 mm
0.23 in
Sensor format--1/3.09"-
Pixel size1.127 µm
0.001127 mm
1.19 µm
0.001190 mm
1 µm
0.001000 mm
1.029 µm
0.001029 mm
Crop factor7.387.21-7.29
Aperture-f/2.2f/2f/2
Focal length and 35 mm equivalent-4.02 mm
29 mm *(35 mm / full frame)
3.46 mm
26 mm *(35 mm / full frame)
-
Field of view--80 °-
Number of lenses-5--
Flash typeLEDDual LEDDual LEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4032 x 3024 pixels
12.19 MP
4640 x 3480 pixels
16.15 MP
4608 x 3456 pixels
15.93 MP
Video resolution1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 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
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
Exposure compensation
Self-timer
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
RAW
Phase detection autofocus (PDAF)
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
-Sensor type - RGBW
Hybrid IR filter
Sapphire crystal glass lens cover
1080p @ 60 fps
720p @ 240 fps
720p @ 120 fps-

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 modelOmniVision OV8858-Sony IMX362 Exmor RSGalaxyCore GC8024
Sensor typeCMOS BSI 2CMOSCMOSCMOS BSI
Sensor size3.68 x 2.77 mm
0.18 in
--3.67 x 2.76 mm
0.18 in
Sensor format--1/2.55"-
Pixel size1.127 µm
0.001127 mm
-1.4 µm
0.001400 mm
1.124 µm
0.001124 mm
Crop factor9.4--9.42
Aperture-f/2.2f/1.8-
Focal length and 35 mm equivalent-31 mm3.94 mm
26 mm *(35 mm / full frame)
-
Field of view--83 °-
Number of lenses--6-
Auxiliary light--LEDLED
Image resolution3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
3928 x 2944 pixels
11.56 MP
3264 x 2448 pixels
7.99 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps30 fps
Features-Face unlock--
-Retina flash
HDR
Exposure compensation
Self-timer
Sensor model - Sony IMX362 Exmor RS (#2)
Pixel size - 1.4 μm (#2)
Focal length (35 mm equivalent) - 12 mm (#2)
Angle of view - 120° (#2)
Secondary front camera - 12 MP
-

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
-Cirrus Logic 338S00105
Cirrus Logic 338S1285
HAC (M3/T4) - Hearing Aid Compatibility
192 kHz / 24-bit
DTS
NXP Smart PA
-

Radio

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

RadioYesNoYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
A-GPS
GLONASS
Wi-Fi
Cell ID
GPS
A-GPS
GLONASS
BeiDou
Galileo
GPS
A-GPS
GLONASS

Wi-Fi

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

Wi-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
-MiMO--

Bluetooth

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

Version4.14.24.24.0
FeaturesA2DP
HFP
HSP
LE
OPP
A2DP
LE
A2DP
EDR
A2DP

USB

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

Connector typeMicro USB-Micro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Proprietary
Charging
Mass storage
Charging
Mass storage
On-The-Go

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
TV-Out
NFC
UMA
VoLTE
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+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
eAAC+
M4A
MP3
WAV
Apple Lossless
AAX+
AAX
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
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
MP4
Xvid
3GPP
H.263
H.264
H.265
QuickTime
MPEG-4
3GPP
AVI
MKV
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
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 mAh2750 mAh3000 mAh4400 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time12 h
720 min
0.5 days
---
2G stand-by time352 h
21120 min
14.7 days
---
3G talk time3 h
180 min
0.1 days
24 h
1440 min
1 days
--
3G stand-by time290 h
17400 min
12.1 days
384 h
23040 min
16 days
--
Charger output power5 V / 1 A-5 V / 2 A5 V / 2.1 A
FeaturesRemovableNon-removableFast charging
Non-removable
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)0.632 W/kg0.87 W/kg0.759 W/kg-
Body SAR (EU)1.306 W/kg0.98 W/kg1.29 W/kg-
Head SAR (USA)-1.14 W/kg--
Body SAR (USA)-1.14 W/kg--
 Wileyfox Spark XApple iPhone 6s PlusAsus ZenFone 4 Selfie ProSantin Max 4 Pro