Comparison between:
- Xiaomi Mi Pad Mi515
- Xiaomi Mi Pad 2
- Xiaomi Mi Pad 4 Wi-Fi
- Xiaomi Mi Pad 3

Brand and model

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

Xiaomi Mi Pad Mi515Xiaomi Mi Pad 2Xiaomi Mi Pad 4 Wi-FiXiaomi Mi Pad 3
Xiaomi Mi Pad Mi515
Prices
Xiaomi Mi Pad 2Xiaomi Mi Pad 4 Wi-FiXiaomi Mi Pad 3
Prices
Model aliasMiPadMiPad 2
Millet flat 2
Mi Pad4 Wi-FiMiPad 3

Design

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

Width202.1 mm
20.21 cm
0.663 ft
7.957 in
200.4 mm
20.04 cm
0.657 ft
7.89 in
200.2 mm
20.02 cm
0.657 ft
7.882 in
200.4 mm
20.04 cm
0.657 ft
7.89 in
Height135.4 mm
13.54 cm
0.444 ft
5.331 in
132.6 mm
13.26 cm
0.435 ft
5.22 in
120.3 mm
12.03 cm
0.395 ft
4.736 in
132.6 mm
13.26 cm
0.435 ft
5.22 in
Thickness8.5 mm
0.85 cm
0.028 ft
0.335 in
6.95 mm
0.695 cm
0.023 ft
0.274 in
7.9 mm
0.79 cm
0.026 ft
0.311 in
6.95 mm
0.695 cm
0.023 ft
0.274 in
Weight360 g
0.79 lbs
12.7 oz
322 g
0.71 lbs
11.36 oz
342 g
0.76 lbs
12.08 oz
328 g
0.72 lbs
11.57 oz
Volume232.6 cm³
14.13 in³
184.68 cm³
11.22 in³
190.26 cm³
11.55 in³
184.68 cm³
11.22 in³
ColorsWhite
Yellow
Blue
Green
Pink
Silver
Gold
Black
Rose-gold
Champagne
Body materialsPlasticAluminium alloyMetalMetal

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 V4.7 (Android 4.4.2 KitKat)
MIUI V7.2 (Android 4.4.4 KitKat)
MIUI V9
MIUI V7 (Android 5.0.2 Lollipop)
MIUI V7.2 (Android 5.1 Lollipop)
Microsoft Windows 10 /optional/
MIUI V9
MIUI V9.5 (Android 8.1 Oreo)MIUI V8 (Android 6.0 Marshmallow)
MIUI V9

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.

SoCNvidia Tegra K1-32Intel Atom x5-Z8500Qualcomm Snapdragon 660 MSM8976 PlusMediaTek MT8176
Process technology28 nm14 nm14 nm28 nm
CPUARM Cortex-A15Intel Cherry Trail4x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 2602x 2.1 GHz ARM Cortex-A72, 4x 1.7 GHz ARM Cortex-A53
CPU bits32 bit64 bit64 bit64 bit
Instruction setARMv7IA-32 (x86), IA-64 (x64)ARMv8ARMv8
Level 1 cache memory (L1)-24 KB + 32 KB--
Level 2 cache memory (L2)-2048 KB
2 MB
--
CPU cores5486
CPU frequency2200 MHz2240 MHz2200 MHz2100 MHz
GPUNvidia KeplerIntel HD GraphicsQualcomm Adreno 512PowerVR GX6250
GPU cores192--2
GPU frequency950 MHz600 MHz-650 MHz
RAM capacity2 GB2 GB3 GB
4 GB
4 GB
RAM typeDDR3L-1866LPDDR3LPDDR4XLPDDR3
RAM channels--Double channelDouble channel
RAM frequency-1600 MHz1866 MHz933 MHz

Storage

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

Storage16 GB
64 GB
16 GB
64 GB
32 GB
64 GB
64 GB
-eMMC 4.5eMMC 5.1eMMC 5.0

Memory cards

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

TypesmicroSD
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/technologyIPSIPSIPSIPS
Diagonal size7.9 in
200.66 mm
20.07 cm
7.9 in
200.66 mm
20.07 cm
8 in
203.2 mm
20.32 cm
7.9 in
200.66 mm
20.07 cm
Width6.32 in
160.53 mm
16.05 cm
6.32 in
160.53 mm
16.05 cm
6.78 in
172.31 mm
17.23 cm
6.32 in
160.53 mm
16.05 cm
Height4.74 in
120.4 mm
12.04 cm
4.74 in
120.4 mm
12.04 cm
4.24 in
107.7 mm
10.77 cm
4.74 in
120.4 mm
12.04 cm
Aspect ratio1.333:1
4:3
1.333:1
4:3
1.6:1
16:10
1.333:1
4:3
Resolution2048 x 1536 pixels2048 x 1536 pixels1920 x 1200 pixels2048 x 1536 pixels
Pixel density324 ppi
127 ppcm
324 ppi
127 ppcm
283 ppi
111 ppcm
324 ppi
127 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area70.86 %72.97 %77.3 %72.97 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Corning Gorilla Glass 3
OGS (One Glass Solution)
Full Lamination Technology1200:1 contrast ratio-

Sensors

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

SensorsLight
Accelerometer
Compass
Gyroscope
Light
Accelerometer
Compass
Gyroscope
Hall
Light
Accelerometer
Gyroscope
Hall
Light
Accelerometer
Gyroscope
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--OmniVision OV13855-
Sensor typeCMOS BSICMOSPureCelCMOS
Sensor size--4.75 x 3.54 mm
0.23 in
-
Pixel size--1.142 µm
0.001142 mm
-
Crop factor--7.31-
ISO-100 - 4000--
Aperturef/2f/2f/2f/2.2
Shutter speed-5 - 1/2000--
Focal length and 35 mm equivalent-3 mm--
Image resolution3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 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 FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
Digital zoom
Geotagging
Panorama
Touch focus
Face detection
Digital zoom
Face detection
Self-timer
Autofocus
Continuous shooting
Digital zoom
Optical zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode

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 S5K5E8-
Sensor type--CMOS BSICMOS
Sensor size--2.9 x 2.15 mm
0.14 in
-
Pixel size--1.133 µm
0.001133 mm
-
Crop factor--11.99-
Aperture-f/2f/2f/2
Field of view-75 °--
Image resolution2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
2592 x 1944 pixels
5.04 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
-
Video FPS30 fps30 fps30 fps-
Features--Face unlock-

Audio

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

SpeakerLoudspeaker
Stereo speakers
LoudspeakerLoudspeakerLoudspeaker
-Smart PA--

Radio

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

Radio-No-No

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
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11ac
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
Wi-Fi Display
802.11b
802.11g
802.11n
802.11ac
Wi-Fi Direct
Wi-Fi Display
MiMO-2x2 MiMO-

Bluetooth

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

Version4.04.15.04.1
FeaturesA2DP
HID
A2DP
HID
A2DP
HID
A2DP
HID

USB

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

Connector typeMicro USBUSB Type-CUSB Type-CUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Host
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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Infrared
Tethering
Computer sync
OTA sync
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
AAC+
eAAC+
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
DSD
APE
AAC
AAC+
AC3
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
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
H.263
H.264
MP4
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
VC-1
VP9
WMV
Xvid
3GPP
AVI
H.263
H.264
H.265
MKV
MP4
VC-1
VP8
Xvid
3GPP
AVI
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.

Capacity6700 mAh6190 mAh6000 mAh6600 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
Charger output power-5 V / 2 A5 V / 2 A5 V / 2 A
FeaturesNon-removableFast charging
Non-removable
Non-removableFast charging
Non-removable
Stand by time - up to 11 hBattery life - up to 12 h-Battery life - up to 12 h
Stand by time - 867 h
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