Comparison between:
- Lenovo Tab M7 Wi-Fi
- LG Optimus Zone 3

Brand and model

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

Lenovo Tab M7 Wi-FiLG Optimus Zone 3
Lenovo Tab M7 Wi-FiLG Optimus Zone 3
Prices
Model alias-LG-VS425PP
VS425PP

Design

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

Width176.33 mm
17.633 cm
0.579 ft
6.942 in
66.5 mm
6.65 cm
0.218 ft
2.618 in
Height102.85 mm
10.285 cm
0.337 ft
4.049 in
131.8 mm
13.18 cm
0.432 ft
5.189 in
Thickness8.25 mm
0.825 cm
0.027 ft
0.325 in
8.89 mm
0.889 cm
0.029 ft
0.35 in
Weight236 g
0.52 lbs
8.32 oz
113 g
0.25 lbs
3.99 oz
Volume149.62 cm³
9.09 in³
77.92 cm³
4.73 in³
ColorsIron Grey
Platinum Grey
Onyx Black
Black
Body materialsPlasticPlastic

SIM card

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

SIM card type-Nano-SIM
Number of SIM cards-1

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

CDMA-CDMA 800 MHz
CDMA 1900 MHz
LTE-LTE 700 MHz Class 13
LTE 850 MHz
LTE 1700/2100 MHz
LTE 1900 MHz

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 technologies-LTE Cat 4
EV-DO Rev. A

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 5.1.1 Lollipop

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.

SoCMediaTek MT8321Qualcomm Snapdragon 210 MSM8909
Process technology28 nm28 nm
CPUARM Cortex-A7ARM Cortex-A7
CPU bits32 bit32 bit
Instruction set-ARMv7
Level 1 cache memory (L1)32 KB + 32 KB-
Level 2 cache memory (L2)256 KB
0.25 MB
1024 KB
1 MB
CPU cores44
CPU frequency1300 MHz1100 MHz
GPUARM Mali-400 MP2Qualcomm Adreno 304
GPU cores2-
GPU frequency500 MHz400 MHz
RAM capacity1 GB
2 GB
1.5 GB
RAM typeLPDDR3-
RAM channelsSingle channelSingle channel
RAM frequency-533 MHz

Storage

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

Storage8 GB
16 GB
32 GB
8 GB

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC

Display

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

Type/technologyIPSTFT
Diagonal size7 in
177.8 mm
17.78 cm
4.5 in
114.3 mm
11.43 cm
Width6.04 in
153.41 mm
15.34 cm
2.2 in
56 mm
5.6 cm
Height3.54 in
89.89 mm
8.99 cm
3.92 in
99.64 mm
9.96 cm
Aspect ratio1.707:11.779:1
Resolution1024 x 600 pixels480 x 854 pixels
Pixel density170 ppi
66 ppcm
218 ppi
85 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area76.28 %63.87 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
350 cd/m²
50% NTSC
-

Sensors

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

SensorsGravityProximity
Light
Accelerometer

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 type-CMOS
Flash type-LED
Image resolution1600 x 1200 pixels
1.92 MP
2592 x 1944 pixels
5.04 MP
Video resolution-1280 x 720 pixels
0.92 MP
Video FPS-30 fps
Features-Continuous shooting
Digital zoom
Geotagging
Face detection
Self-timer
Scene mode
Fixed focus-

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.

Image resolution1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Dolby Audio-

Radio

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

RadioYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
A-GPS

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
Wi-Fi Direct
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct

Bluetooth

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

Version4.24.1
FeaturesA2DP
LE
A2DP

USB

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

Connector typeUSB Type-CMicro USB
Version2.02.0
FeaturesCharging
Mass storage
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer 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.

BrowserHTML
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
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
eAAC+
FLAC
M4A
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
WebM
WMV
Xvid
3GPP
AVI
MPEG-4
Xvid

Battery

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

Capacity3590 mAh1940 mAh
TypeLi-PolymerLi-Ion
2G talk time-11 h
660 min
0.5 days
2G stand-by time-235 h
14100 min
9.8 days
3G talk time-11 h
660 min
0.5 days
3G stand-by time-240 h
14400 min
10 days
Charger output power5 V / 1 A-
FeaturesNon-removableRemovable
Video pLayback time (1080p) - up to 10hrs
Browsing time - up to 10hrs
Standby time - over 2 weeks
-

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 (USA)-1.08 W/kg
Body SAR (USA)-0.95 W/kg

Additional features

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

Additional featuresAndroid 9.0 Pie Go Edition for the 1GB version
Android 9.0 Pie for the 2GB version
-
 Lenovo Tab M7 Wi-FiLG Optimus Zone 3