Comparison between:
- Lenovo Tab 4 8
- Lenovo Tab M7 Wi-Fi

Brand and model

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

Lenovo Tab 4 8Lenovo Tab M7 Wi-Fi
Lenovo Tab 4 8
Prices
Lenovo Tab M7 Wi-Fi
Model aliasTB-8504F
TB-8504N
TB-8504X
-

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
176.33 mm
17.633 cm
0.579 ft
6.942 in
Height124 mm
12.4 cm
0.407 ft
4.882 in
102.85 mm
10.285 cm
0.337 ft
4.049 in
Thickness8.3 mm
0.83 cm
0.027 ft
0.327 in
8.25 mm
0.825 cm
0.027 ft
0.325 in
Weight320 g
0.71 lbs
11.29 oz
236 g
0.52 lbs
8.32 oz
Volume217.16 cm³
13.19 in³
149.62 cm³
9.09 in³
ColorsBlack
White
Iron Grey
Platinum Grey
Onyx 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 typeMicro-SIM-
Number of SIM cards1-
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-
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)
-

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
-

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 Pie

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 MSM8917MediaTek MT8321
Process technology28 nm28 nm
CPUARM Cortex-A53ARM Cortex-A7
CPU bits64 bit32 bit
Instruction setARMv8-
Level 1 cache memory (L1)-32 KB + 32 KB
Level 2 cache memory (L2)-256 KB
0.25 MB
CPU cores44
CPU frequency1400 MHz1300 MHz
GPUQualcomm Adreno 308ARM Mali-400 MP2
GPU cores-2
GPU frequency500 MHz500 MHz
RAM capacity2 GB1 GB
2 GB
RAM typeLPDDR3LPDDR3
RAM channelsSingle channelSingle channel
RAM frequency667 MHz-

Storage

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

Storage16 GB
32 GB
8 GB
16 GB
32 GB

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/technologyIPSIPS
Diagonal size8 in
203.2 mm
20.32 cm
7 in
177.8 mm
17.78 cm
Width6.78 in
172.31 mm
17.23 cm
6.04 in
153.41 mm
15.34 cm
Height4.24 in
107.7 mm
10.77 cm
3.54 in
89.89 mm
8.99 cm
Aspect ratio1.6:1
16:10
1.707:1
Resolution1280 x 800 pixels1024 x 600 pixels
Pixel density189 ppi
74 ppcm
170 ppi
66 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area71.16 %76.28 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
350 cd/m²
60% NTSC
350 cd/m²
50% NTSC

Sensors

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

SensorsProximity
Light
Accelerometer
Gravity

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 typeCMOS-
Aperturef/2-
Focal length and 35 mm equivalent2.83 mm-
Image resolution2592 x 1944 pixels
5.04 MP
1600 x 1200 pixels
1.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
-
Video 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
-
-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.

Aperturef/2.4-
Focal length and 35 mm equivalent2.54 mm-
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
Stereo speakers
Loudspeaker
Earpiece
Dolby AtmosDolby 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
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-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
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.

Version4.24.2
FeaturesA2DP
EDR
A2DP
LE

USB

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

Connector typeMicro USBUSB Type-C
Version2.02.0
FeaturesCharging
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 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
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
AVI
H.263
H.264
MKV
MP4
WebM
WMV
Xvid
3GPP
AVI
H.263
H.264
MKV
MP4
WebM
WMV
Xvid

Battery

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

Capacity4850 mAh3590 mAh
TypeLi-PolymerLi-Polymer
Charger output power5 V / 1 A5 V / 1 A
FeaturesNon-removableNon-removable
Battery life - up to 20 hVideo pLayback time (1080p) - up to 10hrs
Browsing time - up to 10hrs
Standby time - over 2 weeks

Additional features

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

Additional features-Android 9.0 Pie Go Edition for the 1GB version
Android 9.0 Pie for the 2GB version
 Lenovo Tab 4 8Lenovo Tab M7 Wi-Fi