Comparison between:
- Apple iPad (2021) Wi-Fi
- Apple iPad mini Wi-Fi
- Apple iPad Air (2020) Wi-Fi
- Xiaomi Pad 5 Wi-Fi

Brand and model

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

Apple iPad (2021) Wi-FiApple iPad mini Wi-FiApple iPad Air (2020) Wi-FiXiaomi Pad 5 Wi-Fi
Apple iPad (2021) Wi-FiApple iPad mini Wi-FiApple iPad Air (2020) Wi-FiXiaomi Pad 5 Wi-Fi
Model aliasiPad 2021 Wi-Fi
iPad 9th Gen
-iPad Air 4 Wi-Fi
iPad Air 2020 Wi-Fi
Mi Pad5 Wi-Fi

Design

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

Width250.6 mm
25.06 cm
0.822 ft
9.866 in
195.4 mm
19.54 cm
0.641 ft
7.693 in
247.6 mm
24.76 cm
0.812 ft
9.748 in
254.69 mm
25.469 cm
0.836 ft
10.027 in
Height174.1 mm
17.41 cm
0.571 ft
6.854 in
134.8 mm
13.48 cm
0.442 ft
5.307 in
178.5 mm
17.85 cm
0.586 ft
7.028 in
166.25 mm
16.625 cm
0.545 ft
6.545 in
Thickness7.5 mm
0.75 cm
0.025 ft
0.295 in
6.3 mm
0.63 cm
0.021 ft
0.248 in
6.1 mm
0.61 cm
0.02 ft
0.24 in
6.85 mm
0.685 cm
0.022 ft
0.27 in
Weight494 g
1.09 lbs
17.43 oz
297 g
0.65 lbs
10.48 oz
458 g
1.01 lbs
16.16 oz
511 g
1.13 lbs
18.02 oz
Volume327.22 cm³
19.87 in³
165.94 cm³
10.08 in³
269.6 cm³
16.37 in³
290.04 cm³
17.61 in³
ColorsSpace Gray
Silver
Pink
Purple
Starlight
Space Gray
Silver
Space Gray
Rose Gold
Green
Sky Blue
Black
White
Green
Body materials100% recycled aluminum100% recycled aluminumAluminium alloyMetal

Operating system

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

Operating system (OS)iPadOS 15iPadOS 15iPadOS 14MIUI 12.5 (Android 11)

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.

SoCApple A13 Bionic APL1W85Apple A15 BionicApple A14 BionicQualcomm Snapdragon 860
Process technology7 nm5 nm5 nm7 nm
CPU--2x Firestorm, 4x Icestorm2x 2.96 GHz Kryo 485, 6x 1.8 GHz Kryo 485
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-A-ARMv8-AARMv8.4-A
Level 1 cache memory (L1)128 KB + 128 KB-128 KB + 128 KB-
Level 2 cache memory (L2)8192 KB
8 MB
-8192 KB
8 MB
-
CPU cores6668
CPU frequency2650 MHz--2960 MHz
GPU---Qualcomm Adreno 640
GPU cores454-
GPU frequency---675 MHz
RAM capacity--3 GB6 GB
RAM type-LPDDR5LPDDR4XLPDDR4X
RAM channels-Double channelDouble channelDouble channel
RAM frequency-2750 MHz-1866 MHz
-16-core Neural EngineM12 motion coprocessor
Neural engine (8-core design)
27067 mm² VC cooling system

Storage

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

Storage64 GB
256 GB
64 GB
256 GB
64 GB
256 GB
128 GB
256 GB
---UFS 3.1

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/technologyIPSIPSIPSIPS
Diagonal size10.2 in
259.08 mm
25.91 cm
8.3 in
210.82 mm
21.08 cm
10.9 in
276.86 mm
27.69 cm
11 in
279.4 mm
27.94 cm
Width8.16 in
207.26 mm
20.73 cm
4.56 in
115.72 mm
11.57 cm
8.95 in
227.35 mm
22.74 cm
9.33 in
236.93 mm
23.69 cm
Height6.12 in
155.45 mm
15.54 cm
6.94 in
176.22 mm
17.62 cm
6.22 in
157.99 mm
15.8 cm
5.83 in
148.08 mm
14.81 cm
Aspect ratio1.333:1
4:3
1.523:11.439:11.6:1
16:10
Resolution2160 x 1620 pixels1488 x 2266 pixels2360 x 1640 pixels2560 x 1600 pixels
Pixel density265 ppi
104 ppcm
327 ppi
128 ppcm
264 ppi
103 ppcm
274 ppi
107 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
30 bit
1073741824 colors
Display area74.08 %77.67 %81.54 %83.13 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Retina display
True Tone display
Oleophobic (lipophobic) coating
500 cd/m²
Liquid Retina Display
Oleophobic (lipophobic) coating
Fully laminated display
Antireflective coating
True tone display
HDR Display
Wide color display (P3)
500 cd/m² typical brightness
Liquid Retina display
True Tone display
Fully laminated display
Wide Color display (P3)
Antireflective coating
Oleophobic (lipophobic) coating
500 cd/m²
2.5D curved glass screen
TrueTone Display
DCI-P3
Dolby Vision
HDR10
8-bit+FRC
120 Hz refresh rate
240 Hz touch sampling rate
500 cd/m² brightness
1500:1 contrast ratio
TUV Rheinland Low Blue Light Certified (Hardware Solution)

Sensors

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

SensorsLight
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Accelerometer
Gyroscope
Barometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Hall
Side-mounted fingerprint sensor
Three‐axis gyro
Side-mounted fingerprint sensorSide-mounted fingerprint sensor
Three‐axis gyro
-

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---OmniVision OV13855
Sensor typeCMOS BSICMOSCMOS BSIPureCel
Sensor size---4.75 x 3.54 mm
0.23 in
Pixel size1.12 µm
0.001120 mm
--1.142 µm
0.001142 mm
Crop factor---7.31
Aperturef/2.4f/1.8f/1.8f/2
Number of lenses555-
Flash type-LED--
Image resolution3264 x 2448 pixels
7.99 MP
4032 x 3024 pixels
12.19 MP
4032 x 3024 pixels
12.19 MP
4160 x 3120 pixels
12.98 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 fps60 fps60 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
Exposure compensation
Self-timer
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
Smart HDR 3
Autofocus
Continuous 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
Macro mode
RAW
Noise reduction
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
720p @ 120 fps
5x digital zoom
Quad-LED True Tone flash
5x digital zoom
1080p @ 240 fps
Cinematic video stabilization
Hybrid IR filter-

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 typeCMOS BSICMOS BSICMOS BSICMOS BSI
Aperturef/2.4f/2.4f/2f/2
Field of view-122 °--
Image resolution4032 x 3024 pixels
12.19 MP
4032 x 3024 pixels
12.19 MP
3088 x 2316 pixels
7.15 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS60 fps60 fps60 fps30 fps
FeaturesFace unlock
HDR
Face detection
Exposure compensation
Self-timer
Center Stage
Face unlock
HDR
Digital image stabilization
Smart HDR 3
Center Stage
HDR
Digital image stabilization
Self-timer
Exposure compensation
Face detection
Face unlock
HDR
-1080p @ 120 fps
Cinematic video stabilization
--

Audio

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

SpeakerLoudspeaker
Stereo speakers
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
Stereo speakers
Loudspeaker
Stereo speakers
Dual microphonesActive noise cancellation with a dedicated microphone
Spatial audio playback
Dual microphonesSpeakers - 4x
Hi-Res Audio
Hi-Res Audio Wireless
Dolby Atmos

Radio

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

RadioNoNoNo-

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GLONASS
Galileo
QZSS
Wi-Fi
iBeacon microlocation
-

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
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
802.11ax
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
802.11ax
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
HT80 with MIMO2x2 MiMOHT80 with 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
FeaturesA2DP
LE
A2DP
LE
A2DP
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-CUSB Type-C
Version2.03.12.02.0
FeaturesCharging
Mass storage
Proprietary
Charging
Mass storage
Proprietary
Charging
Mass storage
Proprietary
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 jackYesNoYesNo

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
NFC
UMA
VoLTE
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Infrared
Tethering

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
eAAC+
M4A
MP3
WAV
Apple Lossless
AAX+
AAX
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
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AIFF
AAC
AAC+
AC3
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
APE
AWB

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
H.263
H.264
H.265
QuickTime
MPEG-4
H.264
HEVC
MPEG‑4 Part 2
Motion JPEG
3GPP
AVI
H.263
H.264
QuickTime
MPEG-4
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
WebM
Xvid
ASF

Battery

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

Capacity---8720 mAh
TypeLi-PolymerLi-IonLi-IonLi-Polymer
Charger output power-10 V / 2 A-10 V / 3.3 A
FeaturesNon-removableWireless charging
Fast charging
Non-removable
Non-removableFast charging
Non-removable
32.4 Wh19.3 Wh battery
MagSafe wireless charging - 15 W
Qi wireless charging - 7.5 W
USB Power Delivery 3.0
28.6 Wh
Battery life - up to 10 h
-

Additional features

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

Additional featuresApple Pencil (1st generation)-Apple Pencil (2nd generation)
Smart Keyboard Folio
Pogo Pin connector
Pen magnetizing strip
 Apple iPad (2021) Wi-FiApple iPad mini Wi-FiApple iPad Air (2020) Wi-FiXiaomi Pad 5 Wi-Fi