Comparison between:
- Lenovo A7-50 Wi-Fi
- Lenovo A7-50
- LeTV Le 1s

Brand and model

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

Lenovo A7-50 Wi-FiLenovo A7-50LeTV Le 1s
Lenovo A7-50 Wi-FiLenovo A7-50LeTV Le 1s
Prices
Model aliasTab A7-50
A3500-F
Tab A7-50
A3500-H
A3500-HV
1s
X500
X501

Design

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

Width198 mm
19.8 cm
0.65 ft
7.8 in
198 mm
19.8 cm
0.65 ft
7.8 in
74.2 mm
7.42 cm
0.24 ft
2.92 in
Height121.2 mm
12.12 cm
0.4 ft
4.77 in
121.2 mm
12.12 cm
0.4 ft
4.77 in
151.1 mm
15.11 cm
0.5 ft
5.95 in
Thickness9.9 mm
0.99 cm
0.03 ft
0.39 in
9.9 mm
0.99 cm
0.03 ft
0.39 in
7.5 mm
0.75 cm
0.02 ft
0.3 in
Weight320 g
0.71 lbs
11.29 oz
320 g
0.71 lbs
11.29 oz
169 g
0.37 lbs
5.96 oz
Volume237.58 cm³
14.43 in³
237.58 cm³
14.43 in³
84.09 cm³
5.11 in³
ColorsBlueBlueGold
Silver
Body materials--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 type-Mini-SIMMicro-SIM
Nano-SIM
Number of SIM cards-12
Features--Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

Networks

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

GSM-GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMA--W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
TD-SCDMA--TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTS-UMTS 900 MHz
UMTS 2100 MHz
-
LTE--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 technologies-UMTS
EDGE
GPRS
HSPA+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
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 4.2.2 Jelly Bean
Android 4.4.2 KitKat
Android 4.2.2 Jelly Bean
Android 4.4.2 KitKat
Android 5.0.2 Lollipop
Android 6.0 Marshmallow
User interface (UI)--EUI 5.5

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 MT8121MediaTek MT8382MediaTek Helio X10 (MT6795)
Process technology40 nm28 nm28 nm
CPUARM Cortex-A7ARM Cortex-A7ARM Cortex-A53
CPU bits32 bit32 bit64 bit
Instruction setARMv7ARMv7ARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB256 KB + 256 KB
Level 2 cache memory (L2)-256 KB
0.25 MB
2048 KB
2 MB
CPU cores448
CPU frequency1300 MHz1300 MHz2200 MHz
GPU-ARM Mali-400 MP2PowerVR G6200
GPU cores-2-
GPU frequency-500 MHz700 MHz
RAM capacity1 GB1 GB3 GB
RAM type--LPDDR3
RAM channels--Double channel
RAM frequency--933 MHz

Storage

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

Storage8 GB
16 GB
8 GB
16 GB
16 GB
32 GB
--eMMC 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/technologyIPSIPSIPS
Diagonal size7 in
177.8 mm
17.78 cm
7 in
177.8 mm
17.78 cm
5.5 in
139.7 mm
13.97 cm
Width5.94 in
150.77 mm
15.08 cm
5.94 in
150.77 mm
15.08 cm
2.7 in
68.49 mm
6.85 cm
Height3.71 in
94.23 mm
9.42 cm
3.71 in
94.23 mm
9.42 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio1.6:1
16:10
1.6:1
16:10
1.778:1
16:9
Resolution1280 x 800 pixels1280 x 800 pixels1080 x 1920 pixels
Pixel density216 ppi
84 ppcm
216 ppi
84 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area59.4 %59.4 %74.62 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
--Corning Gorilla Glass 3
80% NTSC
500 cd/m²

Sensors

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

SensorsAccelerometerProximity
Accelerometer
Proximity
Light
Accelerometer
Compass
Fingerprint
--Fingerprint sensor model - Goodix GF5118M

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--Samsung
Sensor type-CMOSISOCELL
Sensor size--4.69 x 3.52 mm
0.23 in
Pixel size--1.127 µm
0.001127 mm
Crop factor--7.38
Aperture--f/2
Number of lenses--5
Flash type--LED
Image resolution2592 x 1944 pixels
5.04 MP
2592 x 1944 pixels
5.04 MP
4160 x 3120 pixels
12.98 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps30 fps30 fps
FeaturesGeotaggingGeotaggingAutofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
--1080p @ 60 fps
720p @ 120 fps
High CRI LED flash
Blue filter glass

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 S5K5E2
Sensor type--CMOS
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/2
Field of view--90 °
Image resolution--2560 x 1920 pixels
4.92 MP
Video resolution--1920 x 1080 pixels
2.07 MP
2 MP2 MP-

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
--DTS

Radio

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

RadioYesYesNo

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GPS
A-GPS
GPS
A-GPS
GLONASS
BeiDou

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

Bluetooth

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

Version4.04.04.0
Features--A2DP

USB

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

Connector typeMicro USBMicro USBUSB Type-C
Version2.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Charging
Mass storage
On-The-Go

HDMI

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

HDMI--Micro USB to HDMI MHL adapter

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
Tethering
DLNA
Computer sync
OTA sync
Tethering
DLNA
Computer sync
OTA sync
Infrared
Tethering
DLNA

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

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
MP3
WMA
WAV
AAC
MP3
WMA
WAV
AAC
AMR
AMR-WB
aptX
FLAC
MIDI
MP3
OGG
WMA

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
H.264
MP4
H.263
H.264
MP4
3GPP
AVI
Flash Video
H.263
H.264
H.265
MP4
VC-1
VP8
VP9
WebM
WMV
WMV9
Xvid

Battery

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

Capacity3450 mAh3450 mAh3000 mAh
TypeLi-PolymerLi-IonLi-Polymer
2G talk time-8 h
480 min
0.3 days
30 h
1800 min
1.3 days
2G stand-by time-336 h
20160 min
14 days
-
3G talk time-8 h
480 min
0.3 days
29 h
1740 min
1.2 days
3G stand-by time-336 h
20160 min
14 days
-
4G stand-by time--496 h
29760 min
20.7 days
Charger output power--5 V / 2.7 A
8 V / 2 A
9 V / 2.7 A
12 V / 2 A
FeaturesNon-removableNon-removableFast charging
Non-removable
Battery life - up to 8 h
Stand by time - up to 336 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.

Head SAR (USA)--0.404 W/kg
Body SAR (USA)--1.38 W/kg
 Lenovo A7-50 Wi-FiLenovo A7-50LeTV Le 1s