Comparison between:
- Lenovo Tab 4 8
- Teclast P80X 4G
- LG G Pad X8.3
- Lenovo ThinkPad 10

Brand and model

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

Lenovo Tab 4 8Teclast P80X 4GLG G Pad X8.3Lenovo ThinkPad 10
Lenovo Tab 4 8
Prices
Teclast P80X 4G
Prices
LG G Pad X8.3Lenovo ThinkPad 10
Prices
Model aliasTB-8504F
TB-8504N
TB-8504X
-LG-VK815
VK815
-

Design

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

Width211 mm
21.1 cm
0.692 ft
8.307 in
205 mm
20.5 cm
0.673 ft
8.071 in
216.66 mm
21.666 cm
0.711 ft
8.53 in
256.5 mm
25.65 cm
0.842 ft
10.098 in
Height124 mm
12.4 cm
0.407 ft
4.882 in
121 mm
12.1 cm
0.397 ft
4.764 in
126.49 mm
12.649 cm
0.415 ft
4.98 in
177 mm
17.7 cm
0.581 ft
6.969 in
Thickness8.3 mm
0.83 cm
0.027 ft
0.327 in
5.8 mm
0.58 cm
0.019 ft
0.228 in
8.64 mm
0.864 cm
0.028 ft
0.34 in
8.95 mm
0.895 cm
0.029 ft
0.352 in
Weight320 g
0.71 lbs
11.29 oz
400 g
0.88 lbs
14.11 oz
369 g
0.81 lbs
13.02 oz
598 g
1.32 lbs
21.09 oz
Volume217.16 cm³
13.19 in³
143.87 cm³
8.74 in³
236.78 cm³
14.38 in³
406.33 cm³
24.68 in³
ColorsBlack
White
BlackGrayBlack
Body materialsPlasticPlastic-Aluminium alloy
Plastic

SIM card

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

SIM card typeMicro-SIMMicro-SIMMicro-SIMMicro-SIM
Number of SIM cards121-
Features---Optional SIM (A device not intended for phone calls but with an option for SIM card slot)
TB-8504F - 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
---
CDMACDMA 800 MHz-CDMA 800 MHz
CDMA 1900 MHz
-
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
---
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
---
LTELTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 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)
-LTE 700 MHz Class 13
LTE 1700/2100 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 technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 4
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
LTE Cat 4
TD-SCDMA
TD-HSDPA
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 7.0 NougatAndroid 9.0 PieAndroid 5.0 Lollipop
Android 6.0 Marshmallow
Microsoft Windows 8.1 Pro

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.

SoCQualcomm Snapdragon 425 MSM8917Unisoc SC9863AQualcomm Snapdragon 615 MSM8939Intel Atom Z3795
Process technology28 nm28 nm28 nm22 nm
CPUARM Cortex-A534x 1.6 GHz ARM Cortex-A55, 4x 1.2 GHz ARM Cortex-A554x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53Intel Silvermont
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8ARMv8-AARMv8IA-32 (x86), IA-64 (x64)
Level 0 cache memory (L0)--4 KB + 4 KB-
Level 1 cache memory (L1)--16 KB + 16 KB24 KB + 32 KB
Level 2 cache memory (L2)--2048 KB
2 MB
2048 KB
2 MB
CPU cores4884
CPU frequency1400 MHz1600 MHz1500 MHz1600 MHz
GPUQualcomm Adreno 308PowerVR GE8322Qualcomm Adreno 405Intel Gen 7
GPU cores---1
GPU frequency500 MHz-550 MHz778 MHz
RAM capacity2 GB2 GB1.8 GB2 GB
4 GB
RAM typeLPDDR3-LPDDR3LPDDR3
RAM channelsSingle channel-Single channel-
RAM frequency667 MHz-800 MHz1066 MHz

Storage

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

Storage16 GB
32 GB
16 GB16 GB64 GB
128 GB
---eMMC

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
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/technologyIPSIPSIPSIPS
Diagonal size8 in
203.2 mm
20.32 cm
8 in
203.2 mm
20.32 cm
8.3 in
210.82 mm
21.08 cm
10.1 in
256.54 mm
25.65 cm
Width6.78 in
172.31 mm
17.23 cm
6.78 in
172.31 mm
17.23 cm
7.04 in
178.78 mm
17.88 cm
8.56 in
217.55 mm
21.75 cm
Height4.24 in
107.7 mm
10.77 cm
4.24 in
107.7 mm
10.77 cm
4.4 in
111.73 mm
11.17 cm
5.35 in
135.97 mm
13.6 cm
Aspect ratio1.6:1
16:10
1.6:1
16:10
1.6:1
16:10
1.6:1
16:10
Resolution1280 x 800 pixels1280 x 800 pixels1920 x 1200 pixels1920 x 1200 pixels
Pixel density189 ppi
74 ppcm
189 ppi
74 ppcm
273 ppi
107 ppcm
224 ppi
88 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area71.16 %75.05 %73.12 %65.36 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
350 cd/m²
60% NTSC
--Corning Gorilla Glass

Sensors

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

SensorsProximity
Light
Accelerometer
AccelerometerAccelerometerCompass
Fingerprint

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 typeCMOSCMOSCMOSCMOS
Aperturef/2---
Focal length and 35 mm equivalent2.83 mm---
Flash type---LED
Image resolution2592 x 1944 pixels
5.04 MP
1600 x 1200 pixels
1.92 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
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
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Digital zoom
Self-timer
Scene mode
Autofocus

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.

Aperturef/2.4---
Focal length and 35 mm equivalent2.54 mm---
Image resolution1600 x 1200 pixels
1.92 MP
640 x 480 pixels
0.31 MP
1600 x 1200 pixels
1.92 MP
1920 x 1080 pixels
2.07 MP
Video resolution-640 x 480 pixels
0.31 MP
-1920 x 1080 pixels
2.07 MP
Video FPS-30 fps-30 fps

Audio

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

SpeakerLoudspeaker
Stereo speakers
Loudspeaker
Earpiece
LoudspeakerLoudspeaker
Stereo speakers
Dolby Atmos---

Radio

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

RadioYesYesNoNo

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
GPS
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
802.11b
802.11g
802.11n
802.11a
802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
Wi-Fi Direct

Bluetooth

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

Version4.24.14.14.0
FeaturesA2DP
EDR
A2DPA2DPA2DP

USB

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

Connector typeMicro USBMicro USBStandard USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
Charging
Mass storage
Charging
Host
Mass storage

HDMI

The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.

HDMI---Micro HDMI (Type D)
Docking station

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
Tethering
Computer sync
OTA sync
NFC
VoIP

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
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
eAAC+
MIDI
MP3
WMA
WAV
AAC
eAAC+
MP3
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
H.263
H.264
H.265
QuickTime
MP4
WebM
WMV
Xvid
3GPP
AVI
MP4
WMV
H.263
H.264
MPEG-4

Battery

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

Capacity4850 mAh4500 mAh4800 mAh8520 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G stand-by time--600 h
36000 min
25 days
-
Charger output power5 V / 1 A---
FeaturesNon-removableNon-removableNon-removableNon-removable
Battery life - up to 20 h--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 (USA)--1.45 W/kg-

Additional features

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

Additional features--Stylus-
 Lenovo Tab 4 8Teclast P80X 4GLG G Pad X8.3Lenovo ThinkPad 10