Comparison between:
- VKworld K1
- Lenovo K9 Note

Brand and model

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

VKworld K1Lenovo K9 Note
VKworld K1
Prices
Lenovo K9 Note
Prices
Model alias-K9Note

Design

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

Width74 mm
7.4 cm
0.24 ft
2.91 in
76 mm
7.6 cm
0.25 ft
2.99 in
Height146 mm
14.6 cm
0.48 ft
5.75 in
158 mm
15.8 cm
0.52 ft
6.22 in
Thickness9.5 mm
0.95 cm
0.03 ft
0.37 in
8.5 mm
0.85 cm
0.03 ft
0.33 in
Weight-176 g
0.39 lbs
6.21 oz
Volume102.64 cm³
6.23 in³
102.07 cm³
6.2 in³
ColorsBlack
Blue
Black
Blue
Gold
Body materialsMetal
Plastic
Metal

SIM card

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

SIM card typeNano-SIM
Nano-SIM / microSD
Nano-SIM
Number of SIM cards22
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.

GSMGSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
-
UMTS-UMTS 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 2300 MHz (B40)
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 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 Class 12
GPRS Class 12
LTE Cat 6
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4

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 8.1 OreoAndroid 8.1 Oreo
User interface (UI)-ZUI 3.9

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 MT6750TQualcomm Snapdragon 450
Process technology28 nm14 nm
CPU4x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53ARM Cortex-A53
CPU bits64 bit64 bit
Instruction setARMv8-AARMv8
Level 1 cache memory (L1)32 KB + 32 KB-
Level 2 cache memory (L2)512 KB
0.5 MB
-
CPU cores88
CPU frequency1500 MHz1800 MHz
GPUARM Mali-T860 MP2Qualcomm Adreno 506
GPU cores2-
GPU frequency650 MHz-
RAM capacity4 GB3 GB
4 GB
RAM typeLPDDR3LPDDR3
RAM channelsSingle channelSingle channel
RAM frequency833 MHz933 MHz

Storage

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

Storage64 GB32 GB
64 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 size5.2 in
132.08 mm
13.21 cm
6 in
152.4 mm
15.24 cm
Width2.55 in
64.75 mm
6.48 cm
2.68 in
68.16 mm
6.82 cm
Height4.53 in
115.12 mm
11.51 cm
5.37 in
136.31 mm
13.63 cm
Aspect ratio1.778:1
16:9
2:1
2:1 (18:9)
Resolution1080 x 1920 pixels720 x 1440 pixels
Pixel density424 ppi
166 ppcm
268 ppi
105 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area69.22 %77.62 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Corning Gorilla Glass 4
2.5D curved glass screen
2.5D curved glass screen

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Pedometer
Proximity
Light
Accelerometer
Compass
Fingerprint

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 typeCMOSCMOS
Aperture-f/2
Flash typeDual LEDLED
Image resolution5344 x 4016 pixels
21.46 MP
4608 x 3456 pixels
15.93 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video 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
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection
Secondary rear camera - 5 MP
Third rear camera - 5 MP
Secondary rear camera - 2 MP
Aperture size - f/2.4 (#2)

Secondary camera

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

Sensor typeCMOS-
Aperture-f/2
Image resolution5344 x 4016 pixels
21.46 MP
3264 x 2448 pixels
7.99 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
Face unlockFace unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece

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

Bluetooth

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

Version4.04.2
FeaturesA2DPA2DP
EDR
LE

USB

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

Connector typeMicro USBMicro USB
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
VoLTE

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
MP4
Xvid
3GPP
AVI
DivX
Flash Video
H.263
H.264
MKV
QuickTime
MP4
VP8
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.

Capacity4040 mAh3760 mAh
TypeLi-PolymerLi-Polymer
2G talk time30 h
1800 min
1.3 days
-
2G stand-by time340 h
20400 min
14.2 days
-
3G talk time30 h
1800 min
1.3 days
-
3G stand-by time340 h
20400 min
14.2 days
-
Charger output power5 V / 3 A-
FeaturesWireless charging
Fast charging
Non-removable
Non-removable
Wireless charging - 5 W-
 VKworld K1Lenovo K9 Note