Comparison between:
- ZTE Blade A31
- Apple iPhone 12
- Samsung Galaxy A20
- Huawei P20 Lite 2019

Brand and model

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

ZTE Blade A31Apple iPhone 12Samsung Galaxy A20Huawei P20 Lite 2019
ZTE Blade A31Apple iPhone 12
Prices
Samsung Galaxy A20
Prices
Huawei P20 Lite 2019
Model alias-A2172
A2402
A2403
A2404
A2405
SM-A205FD
A205FD
P20 Lite (2019)
P20Lite 2019
P20Lite (2019)

Design

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

Width70.7 mm
7.07 cm
0.232 ft
2.783 in
71.5 mm
7.15 cm
0.235 ft
2.815 in
74.7 mm
7.47 cm
0.245 ft
2.941 in
75.9 mm
7.59 cm
0.249 ft
2.988 in
Height146 mm
14.6 cm
0.479 ft
5.748 in
146.7 mm
14.67 cm
0.481 ft
5.776 in
158.4 mm
15.84 cm
0.52 ft
6.236 in
159.1 mm
15.91 cm
0.522 ft
6.264 in
Thickness9.3 mm
0.93 cm
0.031 ft
0.366 in
7.4 mm
0.74 cm
0.024 ft
0.291 in
7.8 mm
0.78 cm
0.026 ft
0.307 in
8.3 mm
0.83 cm
0.027 ft
0.327 in
Weight166 g
0.37 lbs
5.86 oz
164 g
0.36 lbs
5.78 oz
169 g
0.37 lbs
5.96 oz
178 g
0.39 lbs
6.28 oz
Volume96 cm³
5.83 in³
77.62 cm³
4.71 in³
92.29 cm³
5.6 in³
100.23 cm³
6.09 in³
ColorsDark Blue
Black
Black
White
Red
Green
Blue
Black
Red
Blue
Gold
Black
Blue
Red
Body materialsPlasticGlass
Aluminium alloy
PlasticPlastic
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-SIM
Nano-SIM / microSD
Nano-SIM
eSIM
Nano-SIMNano-SIM
Nano-SIM / microSD
Number of SIM cards2122
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)-

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 (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
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 MHz (BC0)
CDMA 1900 MHz (BC1)
--
CDMA2000-1xEV-DO Rev. A--
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 2100 MHz (B1)
---
TD-SCDMA-TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
--
UMTS-UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1700 MHz (B4)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2600 MHz (B38)
LTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B13)
LTE-FDD 700 MHz (B14)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B29)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B18)
LTE-FDD 850 MHz (B19)
LTE-FDD 850 MHz (B26)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 1900 MHz (B25)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-FDD 2300 MHz (B30)
LTE-FDD 600 MHz (B71)
LTE-TDD 3500 MHz (B42)
LTE-TDD 5200 MHz (B46)
LTE-TDD 3500 MHz (B48)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
5G NR-5G-FDD 600 MHz (n71)
5G-FDD 700 MHz (n12)
5G-FDD 700 MHz (n28)
5G-FDD 800 MHz (n20)
5G-FDD 850 MHz (n5)
5G-FDD 900 MHz (n8)
5G-FDD 1700 MHz (n66)
5G-FDD 1800 MHz (n3)
5G-FDD 1900 MHz (n2)
5G-FDD 1900 MHz (n25)
5G-FDD 2100 MHz (n1)
5G-TDD 2300 MHz (n40)
5G-TDD 2500 MHz (n41)
5G-FDD 2600 MHz (n7)
5G-TDD 2600 MHz (n38)
5G-TDD 3500 MHz (n78)
5G-TDD 3700 MHz (n77)
5G-TDD 4700 MHz (n79)
5G mmWave 39 GHz (n260)
5G mmWave 28 GHz (n261)
--

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 5
UMTS
EDGE
GPRS
HSPA+
LTE Cat 18
LTE-A
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE Cat 12
-Gigabit-class LTE with 2x2 MIMO and LAA--

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 11 Go editioniOS 14.1Android 9.0 Pie
Android 10
Android 9.0 Pie
User interface (UI)--One
One UI 2.0
EMUI 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.

SoCUnisoc SC9863AApple A14 BionicSamsung Exynos 7884Huawei HiSilicon KIRIN 710
Process technology28 nm5 nm14 nm12 nm
CPU4x 1.6 GHz ARM Cortex-A55, 4x 1.2 GHz ARM Cortex-A552x Firestorm, 4x Icestorm2x 1.6 GHz ARM Cortex-A73, 6x 1.35 GHz ARM Cortex-A534x 2.2 GHz ARM Cortex-A73, 4x 1.7 GHz ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8.2-AARMv8-AARMv8-AARMv8-A
CPU cores8688
CPU frequency1600 MHz-1600 MHz2200 MHz
GPUPowerVR GE8322 / IMG8322-ARM Mali-G71 MP2ARM Mali-G51 MP4
GPU cores2424
GPU frequency550 MHz-770 MHz1000 MHz
RAM capacity2 GB4 GB3 GB4 GB
RAM typeLPDDR4/LPDDR4XLPDDR5LPDDR4-
RAM channelsDouble channelDouble channelDouble channel-
RAM frequency1600 MHz2750 MHz1866 MHz-
-16-core Neural Engine-i7 coprocessor
GPU Turbo 2.0

Storage

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

Storage32 GB64 GB
128 GB
256 GB
32 GB64 GB
128 GB
---eMMC 5.1

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
-microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

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

Type/technologyIPSOLEDSuper AMOLEDIPS
Diagonal size5.45 in
138.43 mm
13.84 cm
6.1 in
154.94 mm
15.49 cm
6.4 in
162.56 mm
16.26 cm
6.4 in
162.56 mm
16.26 cm
Width2.44 in
61.91 mm
6.19 cm
2.56 in
64.99 mm
6.5 cm
2.68 in
68.12 mm
6.81 cm
2.71 in
68.85 mm
6.88 cm
Height4.87 in
123.82 mm
12.38 cm
5.54 in
140.65 mm
14.06 cm
5.81 in
147.6 mm
14.76 cm
5.8 in
147.26 mm
14.73 cm
Aspect ratio2:1
2:1 (18:9)
2.164:12.167:12.139:1
Resolution720 x 1440 pixels1170 x 2532 pixels720 x 1560 pixels1080 x 2310 pixels
Pixel density295 ppi
115 ppcm
457 ppi
179 ppcm
268 ppi
105 ppcm
398 ppi
156 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area74.5 %87.43 %85.25 %84.23 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
-Display manufacturer - LG Display
Super Retina XDR
Ceramic Shield
Oleophobic (lipophobic) coating
True tone display
Wide color display (P3)
Haptic Touch
2000000:1
625 cd/m² typical brightness
1200 cd/m² peak brightness
-2.5D curved glass screen
LTPS (Low Temperature PolySilicon)

Sensors

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

SensorsProximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall
Proximity
Light
Accelerometer
Compass
Fingerprint
Hall

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--Samsung S5K3L6Sony IMX576 Exmor RS
Sensor type-CMOSCMOS-
Sensor format--1/3.06"1/2.8"
Pixel size-1.4 µm
0.001400 mm
1.12 µm
0.001120 mm
0.9 µm
0.000900 mm
ISO---50 - 3200
Aperture-f/1.6f/1.9f/1.8
Focal length and 35 mm equivalent-26 mm *(35 mm / full frame)3.6 mm
27 mm *(35 mm / full frame)
-
Field of view--78 °-
Number of lenses-7--
Flash typeLEDLEDLEDLED
Image resolution3264 x 2448 pixels
7.99 MP
4032 x 3024 pixels
12.19 MP
4224 x 3136 pixels
13.25 MP
4608 x 3456 pixels
15.93 MP
Video resolution1280 x 720 pixels
0.92 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps60 fps30 fps60 fps
Features-Autofocus
Continuous autofocus
Continuous shooting
Digital zoom
Optical zoom
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
RAW
Night Mode
Deep Fusion
Dolby Vision HDR video recording
Autofocus
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)
-Quad-LED flash
Sapphire crystal lens cover
2x optical zoom
5x digital zoom
1080p @ 240 fps
Cinematic video stabilization
Secondary rear camera - 12 MP (ultra-wide-angle)
Sensor size - 1/3.6" (#2)
Aperture size - f/2.4 (#2)
Angle of view - 120° (#2)
Focal length (35 mm equivalent) - 13 mm (#2)
5-element lens (#2)
Secondary rear camera - 5 MP (ultra-wide angle)
Aperture size - f/2.2 (#2)
Angle of view - 123° (#2)
Pixel size - 1.8 μm (4-in-1 pixel binning)
720p @ 480 fps
Secondary rear camera - 8 MP (ultra-wide angle)
Third rear camera - 2 MP
Aperture size - f/2.4 (#3)
Fourth rear camera - 2 MP

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--Samsung S5K4HA-
Sensor type-CMOS BSI-CMOS BSI
Sensor format-1/3.6"1/4"-
Pixel size--1.12 µm
0.001120 mm
-
Aperturef/2.8f/2.2f/2f/2.2
Focal length and 35 mm equivalent-23 mm *(35 mm / full frame)2.61 mm
25 mm *(35 mm / full frame)
-
Image resolution1920 x 1080 pixels
2.07 MP
4032 x 3024 pixels
12.19 MP
3264 x 2448 pixels
7.99 MP
4608 x 3456 pixels
15.93 MP
Video resolution640 x 480 pixels
0.31 MP
3840 x 2160 pixels
8.29 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps60 fps30 fps30 fps
Features-Face unlock
Night Mode
Deep Fusion
HDR
-Face unlock
Software interpolated to 5 MP1080p @ 120 fps
Cinematic video stabilization
--

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Loudspeaker
Earpiece
-Stereo sound recording
Active noise cancellation with a dedicated microphone
Dolby Atmos
Spatial audio playback
--

Radio

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

RadioYesNoYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
A-GPS
GLONASS
Galileo
QZSS
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-Fi802.11b
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 6 (802.11ax)
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
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.

Version4.25.05.04.2
FeaturesLEA2DP
LE
A2DP
AVRCP
DIP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
HOGP
A2DP
EDR
LE

USB

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

Connector typeMicro USB-USB Type-CUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Proprietary
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 jackYesNoYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
NFC
UMA
VoLTE
Computer sync
OTA sync
Tethering
NFC
VoLTE
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
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
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
FLAC
MP3
AAC‑LC
HE‑AAC
HE‑AAC v2
Protected AAC
Linear PCM
Apple Lossless
Dolby Digital
Dolby Digital Plus
Dolby Atmos
Audible
Audible Enhanced Audio
AAX
AAX+
AAC
AMR
AMR-WB
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
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
H.263
H.264
MKV
MP4
WMV
Xvid
H.264
HEVC
MPEG‑4 Part 2
Motion JPEG
3GPP
3GPP2
AVI
Flash Video
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
VP9
WebM
WMV
WMV7
WMV8
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MP4
VP8
VP9
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.

Capacity3000 mAh2815 mAh4000 mAh4000 mAh
TypeLi-PolymerLi-IonLi-PolymerLi-Polymer
2G talk time--26 h
1560 min
1.1 days
24 h
1440 min
1 days
2G stand-by time---670 h
40200 min
27.9 days
3G talk time--26 h
1560 min
1.1 days
24 h
1440 min
1 days
3G stand-by time---670 h
40200 min
27.9 days
Charger output power-9 V / 2 A5 V / 2 A
9 V / 1.67 A
9 V / 2 A
FeaturesNon-removableWireless charging
Fast charging
Non-removable
Fast charging
Non-removable
Fast charging
Non-removable
-MagSafe wireless charging - 15 W
Qi wireless charging - 7.5 W
USB Power Delivery 3.0
Battery model - A2479
--

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)-0.98 W/kg0.23 W/kg-
Body SAR (EU)-0.99 W/kg1.38 W/kg-
Head SAR (USA)-1.168 W/kg1.09 W/kg-
Body SAR (USA)-1.19 W/kg0.6 W/kg-
Simultaneous Head SAR (USA)-1.378 W/kg--
Simultaneous Body SAR (USA)-1.554 W/kg--
Head SAR (India)--0.389 W/kg-
Wi-Fi Hotspot SAR-1.19 W/kg--
Simultaneous Wi-Fi SAR-1.554 W/kg--
FCC ID-BCG-E3542A
BCG-E3543A
BCG-E3544A
--
 ZTE Blade A31Apple iPhone 12Samsung Galaxy A20Huawei P20 Lite 2019