Comparison between:
- Sigma Mobile X-treme PQ37
- Poptel P8

Brand and model

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

Sigma Mobile X-treme PQ37Poptel P8
Sigma Mobile X-treme PQ37Poptel P8
Model aliasPQ37-

Design

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

Width75 mm
7.5 cm
0.246 ft
2.953 in
73.3 mm
7.33 cm
0.24 ft
2.886 in
Height158 mm
15.8 cm
0.518 ft
6.22 in
152.2 mm
15.22 cm
0.499 ft
5.992 in
Thickness11.5 mm
1.15 cm
0.038 ft
0.453 in
16.1 mm
1.61 cm
0.053 ft
0.634 in
Weight209 g
0.46 lbs
7.37 oz
231 g
0.51 lbs
8.15 oz
Volume136.28 cm³
8.28 in³
179.62 cm³
10.91 in³
ColorsBlackBlack
Green
Yellow
Body materialsRubber
Plastic
-
CertificationIP68IP68

SIM card

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

SIM card typeNano-SIM
Nano-SIM / microSD
Nano-SIM
Number of SIM cards22

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
W-CDMA-W-CDMA 900 MHz
W-CDMA 2100 MHz
UMTSUMTS 900 MHz
UMTS 2100 MHz
-
LTELTE 800 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
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+
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 8.1 OreoAndroid 8.1 Oreo

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 P23 (MT6763V)MediaTek MT6739
Process technology16 nm28 nm
CPU4x 2.0 GHz ARM Cortex-A53, 4x 1.5 GHz ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit
Instruction setARMv8-AARMv8-A
CPU cores84
CPU frequency2000 MHz1300 MHz
GPUARM Mali-G71 MP2PowerVR GE8100
GPU cores2-
GPU frequency700 MHz570 MHz
RAM capacity4 GB2 GB
RAM typeLPDDR3LPDDR3
RAM channelsSingle channelSingle channel
RAM frequency933 MHz667 MHz

Storage

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

Storage64 GB16 GB

Memory cards

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

TypesmicroSD
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/technologyIPSIPS
Diagonal size5.5 in
139.7 mm
13.97 cm
5 in
127 mm
12.7 cm
Width2.46 in
62.48 mm
6.25 cm
2.24 in
56.8 mm
5.68 cm
Height4.92 in
124.95 mm
12.5 cm
4.47 in
113.59 mm
11.36 cm
Aspect ratio2:1
2:1 (18:9)
2:1
2:1 (18:9)
Resolution640 x 1280 pixels480 x 960 pixels
Pixel density260 ppi
102 ppcm
215 ppi
84 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area66.09 %58.02 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Corning Gorilla Glass 3-

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Magnetometer
Fingerprint
Proximity
Light
Accelerometer
Compass
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 RS-
Sensor typeCMOSCMOS
Sensor size4.69 x 3.52 mm
0.23 in
-
Pixel size1.127 µm
0.001127 mm
-
Crop factor7.38-
Aperture-f/2.2
Flash typeLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 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
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

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 modelSamsung S5K4H8YX-
Sensor typeCMOS BSI-
Sensor size3.67 x 2.76 mm
0.18 in
-
Pixel size1.124 µm
0.001124 mm
-
Crop factor9.42-
Auxiliary lightLED-
Image resolution3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
Video resolution1280 x 720 pixels
0.92 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps
Features-Face unlock

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
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
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.

Version4.04.0
FeaturesA2DP
EDR
LE
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
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
Computer sync
OTA sync
Tethering
NFC

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
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
MKV
QuickTime
MP4
WebM
Xvid
3GPP
AVI
Flash Video
QuickTime
MP4
Xvid

Battery

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

Capacity3600 mAh3750 mAh
TypeLi-PolymerLi-Polymer
Charger output power-5 V / 1 A
FeaturesFast charging
Non-removable
Non-removable
 Sigma Mobile X-treme PQ37Poptel P8