Comparison between:
- Lenovo Vibe Z
- Lenovo K9

Brand and model

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

Lenovo Vibe ZLenovo K9
Lenovo Vibe ZLenovo K9
Prices
Model aliasLePhone Vibe Z
IdeaPhone K910
K910
-

Design

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

Width77 mm
7.7 cm
0.25 ft
3.03 in
72.9 mm
7.29 cm
0.24 ft
2.87 in
Height149 mm
14.9 cm
0.49 ft
5.87 in
153.8 mm
15.38 cm
0.5 ft
6.06 in
Thickness7.9 mm
0.79 cm
0.03 ft
0.31 in
7.95 mm
0.8 cm
0.03 ft
0.31 in
Weight147 g
0.32 lbs
5.19 oz
155 g
0.34 lbs
5.47 oz
Volume90.64 cm³
5.5 in³
89.14 cm³
5.41 in³
ColorsSilverBlack
Blue
Body materials-Metal

SIM card

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

SIM card typeMicro-SIMNano-SIM
Nano-SIM / microSD
Number of SIM cards12
FeaturesDual SIM optional (A variant of the model with two SIM card slots is available)-

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
UMTSUMTS 2100 MHzUMTS 850 MHz
UMTS 900 MHz
UMTS 2100 MHz
LTE-LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)

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+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6

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 4.3 Jelly Bean
Android 4.4.2 KitKat
Android 8.1 Oreo

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 800 MSM8274MediaTek Helio P22 (MT6762)
Process technology28 nm12 nm
CPUKrait 4004x 2.0 GHz ARM Cortex-A53, 4x 1.5 GHz ARM Cortex-A53
CPU bits32 bit64 bit
Instruction setARMv7ARMv8-A
Level 0 cache memory (L0)4 KB + 4 KB-
Level 1 cache memory (L1)16 KB + 16 KB-
Level 2 cache memory (L2)2048 KB
2 MB
-
CPU cores48
CPU frequency2200 MHz2000 MHz
GPUQualcomm Adreno 330PowerVR GE8320
GPU cores4-
GPU frequency450 MHz650 MHz
RAM capacity2 GB3 GB
RAM typeLPDDR3LPDDR3
RAM channelsDouble channelSingle channel
RAM frequency800 MHz933 MHz

Storage

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

Storage16 GB32 GB

Memory cards

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

Types-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 size5.5 in
139.7 mm
13.97 cm
5.7 in
144.78 mm
14.48 cm
Width2.7 in
68.49 mm
6.85 cm
2.55 in
64.75 mm
6.47 cm
Height4.79 in
121.76 mm
12.18 cm
5.1 in
129.5 mm
12.95 cm
Aspect ratio1.778:1
16:9
2:1
2:1 (18:9)
Resolution1080 x 1920 pixels720 x 1440 pixels
Pixel density401 ppi
157 ppcm
282 ppi
110 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area72.92 %75.02 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Corning Gorilla Glass 32.5D 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
Gravity
Proximity
Light
Accelerometer
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 modelSony IMX135 Exmor RS-
Sensor typeCMOS-
Sensor size4.69 x 3.52 mm
0.23 in
-
Pixel size1.127 µm
0.001127 mm
1.12 µm
0.001120 mm
Crop factor7.38-
ISO100 - 1600-
Aperturef/1.8f/2.2
Flash typeDual LEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 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
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
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 autofocus (PDAF)
-Secondary rear camera - 5 MP
Aperture size - f/2.4 (#2)

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.

Pixel size-1.12 µm
0.001120 mm
Aperture-f/2.2
Auxiliary light-LED
Image resolution2592 x 1944 pixels
5.04 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps
-Aperture size - f/2.4 (#2)
Secondary front camera - 5 MP

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
GPS
A-GPS
GLONASS

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11ac
Dual band
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.

Version4.04.1
FeaturesA2DPA2DP
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
Charging
Mass storage
On-The-Go

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/codecseAAC+
MP3
WMA
WAV
AAC
AAC+
AMR
AMR-WB
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/codecsH.263
H.264
MP4
WMV
3GPP
AVI
H.263
H.264
MKV
QuickTime
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.

Capacity3000 mAh3000 mAh
TypeLi-PolymerLi-Polymer
2G talk time33 h
1980 min
1.4 days
-
2G stand-by time648 h
38880 min
27 days
-
3G talk time33 h
1980 min
1.4 days
-
3G stand-by time648 h
38880 min
27 days
-
Charger output power-5 V / 2 A
FeaturesNon-removableFast charging
Non-removable

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 (EU)0.824 W/kg-
Head SAR (USA)1.43 W/kg-
Body SAR (USA)1.12 W/kg-
 Lenovo Vibe ZLenovo K9