Comparison between:
- Apple iPad mini Wi-Fi + Cellular
- Lenovo Tab 4 8 Plus
- BLU Touchbook M7 Pro

Brand and model

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

Apple iPad mini Wi-Fi + CellularLenovo Tab 4 8 PlusBLU Touchbook M7 Pro
Apple iPad mini Wi-Fi + CellularLenovo Tab 4 8 Plus
Prices
BLU Touchbook M7 Pro
Model aliasA1454
A1455
TB-8704F
TB-8704N
TB-8704X
Touchbook M7Pro
P290L

Design

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

Width200 mm
20 cm
0.66 ft
7.87 in
210.6 mm
21.06 cm
0.69 ft
8.29 in
188.4 mm
18.84 cm
0.62 ft
7.42 in
Height134.7 mm
13.47 cm
0.44 ft
5.3 in
123 mm
12.3 cm
0.4 ft
4.84 in
109.2 mm
10.92 cm
0.36 ft
4.3 in
Thickness7.2 mm
0.72 cm
0.02 ft
0.28 in
7.15 mm
0.72 cm
0.02 ft
0.28 in
9.4 mm
0.94 cm
0.03 ft
0.37 in
Weight312 g
0.69 lbs
11.01 oz
300 g
0.66 lbs
10.58 oz
275 g
0.61 lbs
9.7 oz
Volume193.97 cm³
11.78 in³
185.21 cm³
11.25 in³
193.39 cm³
11.74 in³
Colors-Black
White
Black
Gold
Body materials-Glass
Aluminium alloy
Metal
Plastic

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIMMicro-SIMMicro-SIM
Number of SIM cards111
-TB-8704F - Wi-Fi-

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 (A1455)
CDMA 1900 MHz (A1455)
--
CDMA20001xEV-DO Rev. A (A1455)--
TD-SCDMA-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE 700 MHz Class 17 (A1454)
LTE 850 MHz (A1455)
LTE 1700/2100 MHz (A1454)
LTE 1800 MHz (A1455)
LTE 1900 MHz (A1455)
LTE 2100 MHz (A1455)
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)
-

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 3
EV-DO Rev. A
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+
DC-HSDPA - 42 Mbit/s--

Operating system

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

Operating system (OS)iOS 6
iOS 6.1.3
iOS 7.0.3
Android 7.1.1 NougatAndroid 7.0 Nougat

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 A5 APL2498Qualcomm Snapdragon 625 MSM8953MediaTek MT8321
Process technology32 nm14 nm28 nm
CPUARM Cortex-A9ARM Cortex-A53ARM Cortex-A7
CPU bits32 bit64 bit32 bit
Instruction setARMv7ARMv8ARMv7
Level 1 cache memory (L1)32 KB + 32 KB-32 KB + 32 KB
Level 2 cache memory (L2)1024 KB
1 MB
-256 KB
0.25 MB
CPU cores284
CPU frequency1000 MHz2000 MHz1300 MHz
GPUPowerVR SGX543 MP2Qualcomm Adreno 506ARM Mali-400 MP2
GPU cores2-2
GPU frequency--500 MHz
RAM capacity512 MB3 GB
4 GB
1 GB
RAM typeLPDDR2LPDDR3LPDDR3
RAM channels-Single channel-
RAM frequency-933 MHz-

Storage

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

Storage16 GB
32 GB
64 GB
16 GB
64 GB
8 GB

Memory cards

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

Types-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/technologyIPSIPSIPS
Diagonal size7.9 in
200.66 mm
20.07 cm
8 in
203.2 mm
20.32 cm
7 in
177.8 mm
17.78 cm
Width6.32 in
160.53 mm
16.05 cm
6.78 in
172.31 mm
17.23 cm
6.04 in
153.41 mm
15.34 cm
Height4.74 in
120.4 mm
12.04 cm
4.24 in
107.7 mm
10.77 cm
3.54 in
89.89 mm
8.99 cm
Aspect ratio1.333:1
4:3
1.6:1
16:10
1.707:1
Resolution1024 x 768 pixels1920 x 1200 pixels1024 x 600 pixels
Pixel density162 ppi
63 ppcm
283 ppi
111 ppcm
170 ppi
66 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area71.97 %71.87 %67.24 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
LED-backlit
Oleophobic (lipophobic) coating
390 cd/m²
60% NTSC
-

Sensors

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

SensorsAccelerometer
Compass
Gyroscope
Proximity
Light
Accelerometer
Fingerprint
Hall
Proximity
Accelerometer

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 type-CMOSCMOS
Flash type-LEDLED
Image resolution2592 x 1944 pixels
5.04 MP
3264 x 2448 pixels
7.99 MP
2592 x 1944 pixels
5.04 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps
FeaturesGeotagging
Touch focus
Face detection
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode

Secondary camera

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

Image resolution-2560 x 1920 pixels
4.92 MP
1600 x 1200 pixels
1.92 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps
1.2 MP--

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Stereo speakers
Loudspeaker
-Dolby Atmos-

Radio

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

RadioNoYes-

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
Wi-Fi
Cell ID
GPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS

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
Dual band
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot

Bluetooth

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

Version4.04.24.0
FeaturesA2DP
EDR
A2DP
EDR
LE
A2DP

USB

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

Connector type-USB Type-CMicro USB
Version2.02.02.0
FeaturesCharging
Proprietary
Charging
Mass storage
On-The-Go
Charging
Mass storage

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 jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
TV-Out
Computer sync
OTA sync
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.

BrowserHTMLHTML
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
M4A
MP3
AAC
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/codecsH.263
QuickTime
MPEG-4
3GPP
AVI
H.263
H.264
MKV
MP4
WebM
WMV
Xvid
3GPP
AVI
MP4
Xvid

Battery

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

Capacity4400 mAh4850 mAh2800 mAh
TypeLi-PolymerLi-PolymerLi-Ion
Charger output power-5.2 V / 2 A5 V / 1.5 A
Quick charge technology-Qualcomm Quick Charge 3.0-
FeaturesNon-removableFast charging
Non-removable
Non-removable
Battery life - up to 10 h--

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.

Body SAR (EU)1 W/kg--
Head SAR (USA)--0.53 W/kg
Body SAR (USA)1.19 W/kg-1.44 W/kg
 Apple iPad mini Wi-Fi + CellularLenovo Tab 4 8 PlusBLU Touchbook M7 Pro