Comparison between:
- Huawei nova 4 Standard version
- Huawei nova 4 High version
- Xiaomi Mi A2

Brand and model

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

Huawei nova 4 Standard versionHuawei nova 4 High versionXiaomi Mi A2
Huawei nova 4 Standard versionHuawei nova 4 High versionXiaomi Mi A2
Prices
Model aliasnova4 Standard versionnova4 High version-

Design

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

Width75.1 mm
7.51 cm
0.25 ft
2.96 in
75.1 mm
7.51 cm
0.25 ft
2.96 in
75.4 mm
7.54 cm
0.25 ft
2.97 in
Height157 mm
15.7 cm
0.52 ft
6.18 in
157 mm
15.7 cm
0.52 ft
6.18 in
158.7 mm
15.87 cm
0.52 ft
6.25 in
Thickness7.77 mm
0.78 cm
0.03 ft
0.31 in
7.77 mm
0.78 cm
0.03 ft
0.31 in
7.3 mm
0.73 cm
0.02 ft
0.29 in
Weight172 g
0.38 lbs
6.07 oz
172 g
0.38 lbs
6.07 oz
168 g
0.37 lbs
5.93 oz
Volume91.61 cm³
5.56 in³
91.61 cm³
5.56 in³
87.35 cm³
5.3 in³
ColorsBlack
Blue
Red
White
Purple
Black
Blue
Red
White
Black
Blue
Gold
Body materialsAluminium alloy
Glass
Aluminium alloy
Glass
Aluminium alloy

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)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)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
CDMACDMA 800 MHzCDMA 800 MHz-
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 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 (B28)
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)
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 2300 MHz (B40)
LTE-TDD 2600 MHz (B38)

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 12

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 9.0 PieAndroid 9.0 PieAndroid 8.1 Oreo
Android 9.0 Pie
User interface (UI)EMUI 9.0.1EMUI 9.0.1-

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.

SoCHuawei HiSilicon KIRIN 970Huawei HiSilicon KIRIN 970Qualcomm Snapdragon 660 MSM8976 Plus
Process technology10 nm10 nm14 nm
CPU4x 2.36 GHz ARM Cortex-A73, 4x 1.84 GHz ARM Cortex-A534x 2.36 GHz ARM Cortex-A73, 4x 1.84 GHz ARM Cortex-A534x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260
CPU bits64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8
CPU cores888
CPU frequency2360 MHz2360 MHz2200 MHz
GPUARM Mali-G72 MP12ARM Mali-G72 MP12Qualcomm Adreno 512
GPU cores1212-
GPU frequency767 MHz767 MHz650 MHz
RAM capacity8 GB8 GB4 GB
6 GB
RAM typeLPDDR4XLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channelDouble channel
RAM frequency1833 MHz1833 MHz1866 MHz
i7 coprocessor
Neural-Network Processing Unit
GPU Turbo
i7 coprocessor
Neural-Network Processing Unit
GPU Turbo
-

Storage

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

Storage128 GB128 GB32 GB
64 GB
128 GB
--eMMC 5.1

Display

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

Type/technologyAMOLEDAMOLEDIPS
Diagonal size6.4 in
162.56 mm
16.26 cm
6.4 in
162.56 mm
16.26 cm
5.99 in
152.15 mm
15.21 cm
Width2.71 in
68.85 mm
6.88 cm
2.71 in
68.85 mm
6.88 cm
2.68 in
68.04 mm
6.8 cm
Height5.8 in
147.26 mm
14.73 cm
5.8 in
147.26 mm
14.73 cm
5.36 in
136.08 mm
13.61 cm
Aspect ratio2.139:12.139:12:1
2:1 (18:9)
Resolution1080 x 2310 pixels1080 x 2310 pixels1080 x 2160 pixels
Pixel density398 ppi
156 ppcm
398 ppi
156 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area86.27 %86.27 %77.63 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
96% NTSC
HDR
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
96% NTSC
HDR
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
500 cd/m²
85% NTSC

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
--Fingerprint sensor model - Fingerprint Cards FPC1028

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-Sony IMX586 Exmor RSSony IMX486 Exmor RS
Sensor typeCMOS BSICMOS BSICMOS
Aperturef/1.8f/1.8f/1.75
Focal length--4.07 mm
Flash typeLEDLEDDual LED
Image resolution5180 x 3880 pixels
20.1 MP
8000 x 6000 pixels
48 MP
4000 x 3000 pixels
12 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 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
RAW
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
RAW
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
6-element lens
Secondary rear camera - 16 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)
Third rear camera - 2 MP
Aperture size - f/2.4 (#3)
Sensor size - 1/2"
Pixel size - 0.8 μm
Phase detection
6-element lens
Secondary rear camera - 16 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)
Third rear camera - 2 MP
Aperture size - f/2.4 (#3)
Sensor size - 1/2.9"
Pixel size - 1.25 μm
Phase detection
720p @ 120 fps
Secondary rear camera - 20 MP
Sensor model - Sony IMX376 Exmor RS (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 1/2.78" (#2)
Pixel size - 2.0 μm (4-in-1 pixel binning) (#2)
Aperture size - f/1.75 (#2)

Secondary camera

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

Sensor model--Sony IMX376 Exmor RS
Sensor typeCMOS BSICMOS BSICMOS BSI
Aperturef/2f/2f/2.2
Focal length--3.82 mm
Flash type--LED
Image resolution5984 x 4140 pixels
24.77 MP
5984 x 4140 pixels
24.77 MP
5184 x 3880 pixels
20.11 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
--Sensor size - 1/2.78"
Pixel size - 2.0 μm (4-in-1 pixel binning)
HDR

Audio

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

SpeakerLoudspeakerLoudspeakerLoudspeaker
Earpiece
--Headphone adapter

Radio

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

Radio--No

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
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
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.

Version4.24.25.0
FeaturesA2DP
EDR
LE
A2DP
EDR
LE
A2DP
HID

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
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 jackYesYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Infrared
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
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AC3
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
MP4
VP8
VP9
WebM
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MP4
VP8
VP9
WebM
WMV
Xvid
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
Xvid

Battery

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

Capacity3750 mAh3750 mAh3010 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
Charger output power9 V / 2 A9 V / 2 A5 V / 2 A
Quick charge technologyHuawei Super Charge 3.0Huawei Super Charge 3.0Qualcomm Quick Charge 3.0
FeaturesFast charging
Non-removable
Fast 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)--0.963 W/kg
Body SAR (EU)--0.639 W/kg
Head SAR (USA)--1.16 W/kg
Body SAR (USA)--0.66 W/kg

Additional features

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

Additional features--M1804D2SI - SAR (Specific Absorption Rate) India: head - 1.092 W/kg; body - 0.259 W/kg
 Huawei nova 4 Standard versionHuawei nova 4 High versionXiaomi Mi A2