Comparison between:
- Sigma Mobile X-treme PQ39
- Xiaomi Mi MIX 2

Brand and model

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

Sigma Mobile X-treme PQ39Xiaomi Mi MIX 2
Sigma Mobile X-treme PQ39Xiaomi Mi MIX 2
Prices
Model aliasPQ39Mi Mix Evo
Mi Mix2

Design

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

Width86 mm
8.6 cm
0.282 ft
3.386 in
75.5 mm
7.55 cm
0.248 ft
2.972 in
Height169 mm
16.9 cm
0.554 ft
6.654 in
151.8 mm
15.18 cm
0.498 ft
5.976 in
Thickness16 mm
1.6 cm
0.052 ft
0.63 in
7.7 mm
0.77 cm
0.025 ft
0.303 in
Weight307 g
0.68 lbs
10.83 oz
185 g
0.41 lbs
6.53 oz
Volume232.54 cm³
14.12 in³
88.25 cm³
5.36 in³
ColorsBlackBlack
White
Body materialsPlastic
Rubber
Aluminium alloy
Ceramic
CertificationIP68-

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
Features-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
CDMA-CDMA 800 MHz
CDMA 1900 MHz
CDMA 800 MHz (B10)
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
LTELTE 800 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 700 MHz Class 13
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 850 MHz (B26)
LTE 1900 MHz (B25)
LTE 700 MHz (B12)
LTE 700 MHz (B28)
LTE 800 MHz (B18)
LTE 800 MHz (B19)
LTE 700 MHz (B29)
LTE 2300 MHz (B30)

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 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA

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 7.0 NougatMIUI V8.5.4 (Android 7.1.1 Nougat)
MIUI V9.1.1 (Android 7.1 Nougat)
MIUI (Android 9.0 Pie)

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 MT6753Qualcomm Snapdragon 835 MSM8998
Process technology28 nm10 nm
CPUARM Cortex-A534x 2.45 GHz Kryo 280, 4x 1.9 GHz Kryo 280
CPU bits64 bit64 bit
Instruction setARMv8-AARMv8-A
Level 1 cache memory (L1)32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)512 KB
0.5 MB
3072 KB
3 MB
CPU cores88
CPU frequency1300 MHz2450 MHz
GPUARM Mali-T720 MP3Qualcomm Adreno 540
GPU cores3-
GPU frequency450 MHz710 MHz
RAM capacity3 GB6 GB
RAM typeLPDDR3LPDDR4X
RAM channelsSingle channelDouble channel
RAM frequency666 MHz1866 MHz

Storage

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

Storage32 GB64 GB
128 GB
256 GB
-UFS 2.1

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
-

Display

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

Type/technologyIPSJDI IPS
Diagonal size5.5 in
139.7 mm
13.97 cm
5.99 in
152.15 mm
15.21 cm
Width2.7 in
68.49 mm
6.85 cm
2.68 in
68.04 mm
6.8 cm
Height4.79 in
121.76 mm
12.18 cm
5.36 in
136.08 mm
13.61 cm
Aspect ratio1.778:1
16:9
2:1
2:1 (18:9)
Resolution1080 x 1920 pixels1080 x 2160 pixels
Pixel density401 ppi
157 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area57.56 %81.05 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 4Corning Gorilla Glass 4
1500:1 contrast ratio
450 cd/m²

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Magnetometer
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Ultrasonic
-Fingerprint sensor model - Fingerprint Cards / Goodix

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 model-Sony IMX386 Exmor RS
Sensor typeCMOSCMOS
Sensor size-4.96 x 3.72 mm
0.24 in
Pixel size-1.24 µm
0.001240 mm
Crop factor-6.98
ISO-100 - 3200
Aperture-f/2
Focal length and 35 mm equivalent-4.5 mm
31.4 mm *(35 mm / full frame)
Number of lenses-5
Flash type-Dual LED
Image resolution4160 x 3120 pixels
12.98 MP
4000 x 3000 pixels
12 MP
Video resolution1280 x 720 pixels
0.92 MP
3840 x 2160 pixels
8.29 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
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Flash type - Quad LED4-axis OIS
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 model-OmniVision OV5675
Sensor type-PureCel
Sensor size-2.98 x 2.21 mm
0.15 in
Pixel size-1.151 µm
0.001151 mm
Crop factor-11.66
Aperture-f/2
Focal length and 35 mm equivalent-3.5 mm
40.82 mm *(35 mm / full frame)
Image resolution2560 x 1920 pixels
4.92 MP
2592 x 1944 pixels
5.04 MP
Video resolution640 x 480 pixels
0.31 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
-192 kHz / 24-bit
Dual ADC HD recording
Headphone adapter

Radio

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

RadioYesNo

Tracking/Positioning

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

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

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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
-2x2 MiMO

Bluetooth

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

Version4.05.0
FeaturesA2DP
EDR
LE
A2DP

USB

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

Connector typeUSB Type-CUSB Type-C
Version2.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Host
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 jackYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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
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
MKV
QuickTime
MP4
WebM
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid

Battery

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

Capacity9000 mAh3400 mAh
TypeLi-PolymerLi-Polymer
Charger output power-5 V / 3 A
9 V / 2 A
12 V / 1.5 A
Quick charge technologyMediaTek Pump ExpressQualcomm Quick Charge 3.0
FeaturesFast 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)-0.39 W/kg
Body SAR (EU)-1.77 W/kg
 Sigma Mobile X-treme PQ39Xiaomi Mi MIX 2