Comparison between:
- Vodafone Smart X9
- nubia Red Magic
- nubia Red Magic Mars
- Xiaomi Mi 9

Brand and model

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

Vodafone Smart X9nubia Red Magicnubia Red Magic MarsXiaomi Mi 9
Vodafone Smart X9nubia Red Magic
Prices
nubia Red Magic Mars
Prices
Xiaomi Mi 9
Prices
Model aliasVFD-822Red Devil
NX609J
-Mi9

Design

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

Width71.32 mm
7.13 cm
0.23 ft
2.81 in
74.9 mm
7.49 cm
0.25 ft
2.95 in
75 mm
7.5 cm
0.25 ft
2.95 in
74.67 mm
7.47 cm
0.24 ft
2.94 in
Height148.2 mm
14.82 cm
0.49 ft
5.83 in
158.1 mm
15.81 cm
0.52 ft
6.22 in
158.25 mm
15.83 cm
0.52 ft
6.23 in
157.5 mm
15.75 cm
0.52 ft
6.2 in
Thickness7.95 mm
0.8 cm
0.03 ft
0.31 in
9.5 mm
0.95 cm
0.03 ft
0.37 in
9.85 mm
0.99 cm
0.03 ft
0.39 in
7.61 mm
0.76 cm
0.02 ft
0.3 in
Weight153 g
0.34 lbs
5.4 oz
185 g
0.41 lbs
6.53 oz
193 g
0.43 lbs
6.81 oz
173 g
0.38 lbs
6.1 oz
Volume84.03 cm³
5.1 in³
112.5 cm³
6.83 in³
116.91 cm³
7.1 in³
89.5 cm³
5.44 in³
ColorsBlackBlack
Red
Black
Red
Black
Blue
Violet
Body materialsPlastic
Metal
Aluminium alloyAluminium alloyAluminium alloy
Glass

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-SIMNano-SIMNano-SIM
Number of SIM cards1222
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
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 MHzCDMA 800 MHzCDMA 800 MHz
W-CDMA---W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
TD-SCDMA-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 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
-
LTELTE 800 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 700 MHz (B28)
LTE 800 MHz
LTE 850 MHz
LTE 900 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)
LTE 700 MHz (B12)
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 1900 MHz (B25)
LTE 850 MHz (B26)
LTE 2300 MHz (B30)
LTE 1700/2100 MHz (B66)
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 700 MHz (B28)

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 Class 33
HSPA+
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE
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 8.1 OreoAndroid 8.1 OreoAndroid 9.0 PieMIUI V10.2 (Android 9.0 Pie)
User interface (UI)-nubia Red Magicnubia Red Magic 1.6-

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 450Qualcomm Snapdragon 835 MSM8998Qualcomm Snapdragon 845Qualcomm Snapdragon 855
Process technology14 nm10 nm10 nm7 nm
CPUARM Cortex-A534x 2.45 GHz Kryo 280, 4x 1.9 GHz Kryo 2804x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 3851x 2.84 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 485
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB32 KB + 32 KB-
Level 2 cache memory (L2)-3072 KB
3 MB
1536 KB
1.5 MB
-
Level 3 cache memory (L3)--2048 KB
2 MB
-
CPU cores8888
CPU frequency1800 MHz2450 MHz2800 MHz2840 MHz
GPUQualcomm Adreno 506Qualcomm Adreno 540Qualcomm Adreno 630Qualcomm Adreno 640
GPU frequency-710 MHz710 MHz-
RAM capacity3 GB6 GB
8 GB
6 GB
8 GB
10 GB
6 GB
8 GB
RAM typeLPDDR3LPDDR4XLPDDR4XLPDDR4X
RAM channelsSingle channelDouble channelDouble channelDouble channel
RAM frequency933 MHz1866 MHz1866 MHz2133 MHz
--ICE multi-dimensional cooling system (air and liquid)-

Storage

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

Storage32 GB64 GB
128 GB
64 GB
128 GB
256 GB
64 GB
128 GB
-UFS 2.1UFS 2.1UFS 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 IPSJDI IPSSuper AMOLED
Diagonal size5.7 in
144.78 mm
14.48 cm
6 in
152.4 mm
15.24 cm
6 in
152.4 mm
15.24 cm
6.39 in
162.31 mm
16.23 cm
Width2.55 in
64.75 mm
6.47 cm
2.68 in
68.16 mm
6.82 cm
2.68 in
68.16 mm
6.82 cm
2.68 in
68.02 mm
6.8 cm
Height5.1 in
129.5 mm
12.95 cm
5.37 in
136.31 mm
13.63 cm
5.37 in
136.31 mm
13.63 cm
5.8 in
147.37 mm
14.74 cm
Aspect ratio2:1
2:1 (18:9)
2:1
2:1 (18:9)
2:1
2:1 (18:9)
2.167:1
Resolution1080 x 2160 pixels1080 x 2160 pixels1080 x 2160 pixels1080 x 2340 pixels
Pixel density424 ppi
166 ppcm
402 ppi
158 ppcm
402 ppi
158 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area79.58 %78.71 %78.53 %85.5 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Dragontrail glass
2.5D curved glass screen
Display manufacturer - Japan Display Inc.
NEG Dinorex T2X-1 Glass
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
500 cd/m²
85% NTSC
Display manufacturer - Japan Display Inc.
LTPS (Low Temperature PolySilicon)
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
HDR10

Sensors

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

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

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 model-Samsung-Sony IMX586 Exmor RS
Sensor typeCMOSISOCELLCMOSCMOS BSI
ISO---100 - 3200
Aperturef/2f/1.7f/1.8f/1.75
Focal length---4.75 mm
Flash typeDual LEDDual LEDDual LEDDual LED
Image resolution4608 x 3456 pixels
15.93 MP
5632 x 4224 pixels
23.79 MP
4608 x 3456 pixels
15.93 MP
8000 x 6000 pixels
48 MP
Video resolution1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps30 fps30 fps60 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Scene mode
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Autofocus
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
Secondary rear camera - 5 MPDual Pixel AF
Phase detection
6-element lens
Sapphire crystal glass lens cover
Phase detection
6-element lens
Sapphire crystal glass lens cover
Sensor size - 1/2"
Pixel size - 1.6 μm (4-in-1 pixel binning)
Phase detection
Laser autofocus
Contrast autofocus
Sapphire crystal glass lens cover
6-element lens
Focal length (35 mm equivalent) - 27 mm
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)

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-
Aperture-f/2f/2f/2
Focal length---3.52 mm
Image resolution3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
5184 x 3880 pixels
20.11 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
-3-element lens
Wide-angle lens -76.9°
-Pixel size - 0.9 μm
Focal length (35 mm equivalent) - 18 mm

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
-DTS
Smart PA
Texas Instruments TAS2555
DTS 7.1
Smart PA
Headphone adapter

Radio

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

RadioYesYesYesNo

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GLONASS
BeiDou
A-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)

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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
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 MiMO2x2 MiMO2x2 MiMO

Bluetooth

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

Version4.25.05.05.0
FeaturesA2DPA2DP
LE
A2DP
LE
A2DP
LE

USB

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

Connector typeUSB Type-CUSB Type-CUSB Type-CUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
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 jackYesYesYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Infrared
Tethering
DLNA
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
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
AAC+
AC3
AMR
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AC3
AMR
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC

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
H.263
H.264
MKV
MP4
VP8
WebM
WMV
Xvid
3GPP
AVI
DivX
Flash Video
MKV
QuickTime
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
Flash Video
MKV
QuickTime
MP4
WebM
WMV
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.

Capacity3100 mAh3800 mAh3800 mAh3300 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
Charger output power-5 V / 1.5 A
9 V / 1.5 A
5 V / 3.2 A5 V / 3 A
9 V / 3 A
12 V / 2.25 A
20 V / 1.35 A
Quick charge technology--NeoPower 3.0Qualcomm Quick Charge 4+
FeaturesNon-removableFast charging
Non-removable
Fast charging
Non-removable
Wireless charging
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/kg
Body SAR (EU)---1.301 W/kg
Head SAR (USA)0.395 W/kg--0.99 W/kg
Body SAR (USA)1.298 W/kg--1.04 W/kg

Additional features

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

Additional features-RGB light panel on the backRGB light panel on the backWireless reverse charging - 15 W
 Vodafone Smart X9nubia Red Magicnubia Red Magic MarsXiaomi Mi 9