Comparison between:
- Xiaomi Mi 9
- Motorola Moto X4

Brand and model

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

Xiaomi Mi 9Motorola Moto X4
Xiaomi Mi 9
Prices
Motorola Moto X4
Prices
Model aliasMi9
M1902F1G
Moto X (4th gen.)

Design

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

Width74.67 mm
7.467 cm
0.245 ft
2.94 in
73.4 mm
7.34 cm
0.241 ft
2.89 in
Height157.5 mm
15.75 cm
0.517 ft
6.201 in
148.35 mm
14.835 cm
0.487 ft
5.841 in
Thickness7.61 mm
0.761 cm
0.025 ft
0.3 in
9.45 mm
0.945 cm
0.031 ft
0.372 in
Weight173 g
0.38 lbs
6.1 oz
163 g
0.36 lbs
5.75 oz
Volume89.5 cm³
5.44 in³
102.9 cm³
6.25 in³
ColorsBlack
Blue
Violet
Gray
Blue
Gold
Body materialsAluminium alloy
Glass
Metal
Certification-IP68

SIM card

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

SIM card typeNano-SIMNano-SIM
Number of SIM cards21
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual SIM optional (A variant of the model with two SIM card slots is available)

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
CDMACDMA 800 MHzCDMA 800 MHz
CDMA 1900 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
-
TD-SCDMATD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
-
UMTS-UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
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 700 MHz (B12)
LTE 700 MHz (B28)
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 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 1700/2100 MHz (B66)
LTE 700 MHz (B28)
LTE 850 MHz (B26)
LTE 1900 MHz (B25)
LTE 700 MHz (B12)

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 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
EV-DO Rev. A

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)MIUI V10.2 (Android 9.0 Pie)Android 7.1.1 Nougat
Android 8.0 Oreo
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.

SoCQualcomm Snapdragon 855Qualcomm Snapdragon 630
Process technology7 nm14 nm
CPU1x 2.84 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 4854x 2.2 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53
CPU bits64 bit64 bit
Instruction setARMv8-AARMv8
CPU cores88
CPU frequency2840 MHz2200 MHz
GPUQualcomm Adreno 640Qualcomm Adreno 508
RAM capacity6 GB
8 GB
3 GB
4 GB
6 GB
RAM typeLPDDR4XLPDDR4
RAM channelsDouble channelDouble channel
RAM frequency2133 MHz1333 MHz

Storage

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

Storage64 GB
128 GB
32 GB
64 GB
UFS 2.1-

Memory cards

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

Types-microSD
microSDHC
microSDXC

Display

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

Type/technologySuper AMOLEDIPS
Diagonal size6.39 in
162.31 mm
16.23 cm
5.2 in
132.08 mm
13.21 cm
Width2.68 in
68.02 mm
6.8 cm
2.55 in
64.75 mm
6.48 cm
Height5.8 in
147.37 mm
14.74 cm
4.53 in
115.12 mm
11.51 cm
Aspect ratio2.167:11.778:1
16:9
Resolution1080 x 2340 pixels1080 x 1920 pixels
Pixel density403 ppi
158 ppcm
424 ppi
166 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area85.5 %68.68 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Display manufacturer - Samsung
Corning Gorilla Glass 6
2.5D curved glass screen
Always-On Display
60000:1 contrast ratio
430 cd/m²
Peak brightness - 600 cd/m²
103.8% NTSC
DC dimming
HDR10
Corning Gorilla Glass 3
LTPS (Low Temperature PolySilicon)

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
In-display fingerprint sensor
Step detector
Step counter
Fingerprint sensor model - Fingerprint Cards FPC1035

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 IMX586 Exmor RS-
Sensor typeCMOS BSICMOS
Sensor format1/2"-
Pixel size0.8 µm
0.000800 mm
1.4 µm
0.001400 mm
ISO100 - 3200-
Aperturef/1.75f/2
Focal length and 35 mm equivalent4.75 mm
27 mm *(35 mm / full frame)
4 mm
Number of lenses6-
Flash typeDual LEDDual LED
Image resolution8000 x 6000 pixels
48 MP
4032 x 3024 pixels
12.19 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS60 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Optical zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
RAW
Phase detection autofocus (PDAF)
Laser autofocus (LAF)
Contrast detection autofocus (CDAF)
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)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sapphire crystal glass lens cover
1080p @ 960 fps
720p @ 960 fps
Secondary rear camera - 12 MP (telephoto)
Sensor model - Samsung S5K3M5 (#2)
Sensor type - ISOCELL (#2)
Sensor size - 1/3.4" (#2)
Pixel size - 1.0 μm (#2)
Aperture size - f/2.2 (#2)
6-element lens (#2)
Focal length (35 mm equivalent) - 51 mm (#2)
Third rear camera - 16 MP (ultra-wide angle)
Sensor model - Sony IMX481 Exmor RS (#3)
Sensor size - 1/3" (#3)
Pixel size - 1.0 μm (#3)
Aperture size - f/2.2 (#3)
6-element lens (#3)
Focal length (35 mm equivalent) - 17 mm (#3)
Angle of view - 117° (#3)
Color Correlated Temperature (CCT) dual flash
1080p @ 60 fps
Secondary rear camera - 8 MP (ultra-wide angle)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 120° (#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 type-CMOS BSI
Pixel size0.9 µm
0.000900 mm
1 µm
0.001000 mm
Aperturef/2f/2
Focal length and 35 mm equivalent3.52 mm
18 mm *(35 mm / full frame)
3.52 mm
Auxiliary light-LED
Image resolution5184 x 3880 pixels
20.11 MP
4608 x 3456 pixels
15.93 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Headphone adapter-

Radio

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

RadioNoYes

Tracking/Positioning

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

Tracking/PositioningA-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)
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
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
2x2 MiMO-

Bluetooth

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

Version5.05.0
FeaturesA2DP
LE
A2DP
EDR
LE

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
Host
Mass storage
On-The-Go
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 jackNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Infrared
Tethering
DLNA
NFC
VoLTE
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
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
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
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
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.

Capacity3300 mAh3000 mAh
TypeLi-PolymerLi-Ion
Charger output power5 V / 3 A
9 V / 3 A
12 V / 2.25 A
20 V / 1.35 A
5 V / 3 A
9 V / 1.6 A
12 V / 1.2 A
Quick charge technologyQualcomm Quick Charge 4+-
FeaturesWireless charging
Fast charging
Non-removable
Fast charging
Non-removable
Wireless charging - 20 W-

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)1.389 W/kg0.815 W/kg
Body SAR (EU)1.301 W/kg1.54 W/kg
Head SAR (USA)0.99 W/kg1.12 W/kg
Body SAR (USA)1.04 W/kg1.16 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional features-Water repellent Nano-coating
 Xiaomi Mi 9Motorola Moto X4