Comparison between:
- Xiaomi Mi Mix 3
- nubia X
- Vivo NEX Dual Display

Brand and model

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

Xiaomi Mi Mix 3nubia XVivo NEX Dual Display
Xiaomi Mi Mix 3
Prices
nubia X
Prices
Vivo NEX Dual Display
Prices
Model aliasMi Mix3NX616JNEX Dual Screen
V1821A
V1821T

Design

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

Width74.69 mm
7.47 cm
0.25 ft
2.94 in
73.3 mm
7.33 cm
0.24 ft
2.89 in
75.3 mm
7.53 cm
0.25 ft
2.96 in
Height157.89 mm
15.79 cm
0.52 ft
6.22 in
154.1 mm
15.41 cm
0.51 ft
6.07 in
157.19 mm
15.72 cm
0.52 ft
6.19 in
Thickness8.46 mm
0.85 cm
0.03 ft
0.33 in
8.4 mm
0.84 cm
0.03 ft
0.33 in
8.09 mm
0.81 cm
0.03 ft
0.32 in
Weight218 g
0.48 lbs
7.69 oz
181 g
0.4 lbs
6.38 oz
199 g
0.44 lbs
7.03 oz
Volume99.77 cm³
6.06 in³
94.88 cm³
5.76 in³
95.76 cm³
5.82 in³
ColorsBlack
Blue
Green
Gold
Blue
Gray
Red
Blue
Body materialsCeramic
Aluminium alloy
Glass
Aluminium alloy
Aluminium 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-SIM
Number of SIM cards222
FeaturesDual 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
CDMACDMA 800 MHz
CDMA 1900 MHz
CDMA 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
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTS-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 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 Class 13 (256GB)
LTE 800 MHz (B18) (256GB)
LTE 800 MHz (B19) (256GB)
LTE 1900 MHz (B25) (256GB)
LTE 850 MHz (B26) (256GB)
LTE 800 MHz (B27) (256GB)
LTE 700 MHz (B28) (256GB)
LTE 700 MHz (B29) (256GB) LTE 2300 MHz (B30) (256GB)
LTE 1700/2100 MHz (B66) (256GB)
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 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-TDD 2000 MHz (B34)
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-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)

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 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 16
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)MIUI V10 (Android 8.1 Oreo)
MIUI V10.0.11 (Android 9.0 Pie)
Android 8.1 OreoFuntouch 4.5 OS (Android 9.0 Pie)
User interface (UI)-nubia 6.0.2-

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 845Qualcomm Snapdragon 845Qualcomm Snapdragon 845
Process technology10 nm10 nm10 nm
CPU4x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 3854x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 3854x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 385
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)1536 KB
1.5 MB
1536 KB
1.5 MB
1536 KB
1.5 MB
Level 3 cache memory (L3)2048 KB
2 MB
2048 KB
2 MB
2048 KB
2 MB
CPU cores888
CPU frequency2800 MHz2800 MHz2800 MHz
GPUQualcomm Adreno 630Qualcomm Adreno 630Qualcomm Adreno 630
GPU frequency710 MHz710 MHz710 MHz
RAM capacity6 GB
8 GB
10 GB
6 GB
8 GB
10 GB
RAM typeLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channel
RAM frequency1866 MHz1866 MHz1866 MHz

Storage

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

Storage128 GB
256 GB
64 GB
128 GB
256 GB
512 GB
128 GB
UFS 2.1UFS 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/technologyAMOLEDIPSSuper AMOLED
Diagonal size6.39 in
162.31 mm
16.23 cm
6.26 in
159 mm
15.9 cm
6.39 in
162.31 mm
16.23 cm
Width2.68 in
68.02 mm
6.8 cm
2.68 in
68.07 mm
6.81 cm
2.68 in
68.02 mm
6.8 cm
Height5.8 in
147.37 mm
14.74 cm
5.66 in
143.7 mm
14.37 cm
5.8 in
147.37 mm
14.74 cm
Aspect ratio2.167:12.111:12.167:1
Resolution1080 x 2340 pixels1080 x 2280 pixels1080 x 2340 pixels
Pixel density403 ppi
158 ppcm
403 ppi
158 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area85.27 %86.87 %84.96 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Display manufacturer - Samsung
Corning Gorilla Glass
2.5D curved glass screen
Always-On Display
60000:1 contrast ratio
430 cd/m²
Peak brightness - 600 cd/m²
Corning Gorilla Glass 3
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1200:1 contrast ratio
96% NTSC
Secondary AMOLED display - 5.1 in; 720x1520 pixels; Corning Gorilla Glass 3; 2.5D curved glass screen
Corning Gorilla Glass 5
2.5D curved glass screen
COF (Chip-On-Flex)
Secondary Super AMOLED display - 5.49 in; 1080x1920 pixels; Corning Gorilla Glass 5; 2.5D curved glass screen

Sensors

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

SensorsLight
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Ultrasonic
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Infrared face recognition sensor
Fingerprint sensor model - Fingerprint Cards FPC1291-In-display fingerprint sensor

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 modelSony IMX363 Exmor RS-Sony IMX363 Exmor RS
Sensor typeCMOSCMOSCMOS
ISO--50 - 3200
Aperturef/1.8f/1.8f/1.79
Focal length4.23 mm-4.35 mm
Flash typeDual LEDDual LEDDual LED
Image resolution4032 x 3024 pixels
12.19 MP
4608 x 3456 pixels
15.93 MP
4032 x 3024 pixels
12.19 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS60 fps30 fps30 fps
FeaturesAutofocus
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
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
Autofocus
Continuous shooting
Digital zoom
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Sensor size - 1/2.55"
Pixel size - 1.4 μm
Phase detection with Dual Pixel
4-axis OIS
Focal length (35 mm equivalent) - 21 mm
1080p @ 960 fps
720p @ 960 fps
Secondary rear camera - 12 MP (telephoto)
Sensor model - Samsung S5K3M3 (#2)
Sensor type - ISOCELL (#2)
Sensor size - 1/3.4" (#2)
Pixel size - 1.0 μm (#2)
Aperture size - f/2.4 (#2)
Focal length (35 mm equivalent) - 26 mm (#2)
Sensor size - 1/2.6"
Pixel size - 1.22 μm
Phase detection
6-element lens
720p @ 240 fps
Secondary rear camera - 24 MP
Aperture size - f/1.7 (#2)
Secondary flash type - Dual LED (#2)
Sensor size - 1/2.55"
Pixel size - 1.4 μm
Phase detection with Dual Pixel
4-axis OIS
Focal length (35 mm equivalent) - 30 mm
Secondary rear camera - 2 MP
Pixel size - 2.9 μm (#2)
Aperture size - f/1.8 (#2)
TOF (Time Of Flight) 3D camera
Aperture size - f/1.3 (#TOF)
Face unlock

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Sensor modelSony IMX576 Exmor RS--
Aperturef/2.2--
Focal length3.86 mm--
Image resolution5760 x 4312 pixels
24.84 MP
--
Video resolution1920 x 1080 pixels
2.07 MP
--
Video FPS30 fps--
Mechanical pop-up dual front camera with neodymium magnets
Sensor size - 1/2.8"
Pixel size - 1.8 μm (4-in-1 pixel binning)
Focal length (35 mm equivalent) - 19 mm
Face unlock
Secondary front camera - 2 MP
Sensor model - OmniVision OV02A10 (#2)
Pixel size - 1.75 μm (#2)
--

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Headphone adapterDolby Surround 7.1
DTS HD
Smart PA
Headphone adapter
Asahi Kasei AK4377A

Radio

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

RadioYes-No

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
BeiDou
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
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
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
2x2 MiMO-2x2 MiMO

Bluetooth

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

Version5.05.05.0
FeaturesA2DP
EDR
HID
LE
A2DP
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-CUSB Type-C
Version2.02.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
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 jackNoNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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

Capacity3200 mAh3800 mAh3500 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
Charger output power5 V / 3 A
9 V / 2 A
12 V / 1.5 A
5 V / 3 A
9 V / 2 A
12 V / 1.5 A
5 V / 2 A
9 V / 2 A
10 V / 2.25 A
Quick charge technologyQualcomm Quick Charge 4+Qualcomm Quick Charge 3.0-
FeaturesWireless charging
Fast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
Qi wireless charging - 5V/2A; 9V/2A--

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)1.448 W/kg--
Body SAR (EU)1.568 W/kg--
 Xiaomi Mi Mix 3nubia XVivo NEX Dual Display