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Sunday, November 25, 2018

Lenovo K9 Vs Vivo Y91 Comparisons


The Lenovo K9 comes with 3 GB of RAM and 32 GB of internal memory which can be expanded via microSD. The Lenovo K9 boasts of the 13/5-megapixels dual rear camera and also 13/5-megapixel front dual camera for selfies and video calling.

The Vivo Y91 comes with 2/3 GB of RAM and 16/32 GB of internal memory which can be expanded via microSD. The Vivo Y91 boasts of the 13/2-megapixels dual rear camera and 8-megapixels front camera for selfies and video calling.




Vivo Y91
Lenovo K9

Brand and Model   
Brand and Model
Brand  
Vivo
  Lenovo
Model  
Y91
  K9

   SIM Card    
SIM Card
SIM Card Type  
Nano-SIM (4FF-fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm)  
Nano-SIM (4FF-fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm) 
Number of SIM Cards  
  2
  2
Features
Dual SIM stand-by
 Dual SIM stand-by

   Networks    
Networks
Network  
GSM / LTE / W-CDMA
GSM / LTE / UMTS

   Mobile Network Technology and Bandwidth   
Mobile Network Technology and Bandwidth
Mobile Network Technologies  
 UMTS (384 kbit/s) 
 UMTS (384 kbit/s) 
 EDGE 
 EDGE 
 GPRS  
 GPRS  
 HSPA+ 
 HSPA+ 
LTE Cat 4 (51.0 Mbit/s, 150.8 Mbit/s)
LTE Cat 6 (51.0 Mbit/s, 301.5 Mbit/s)

Operating System
Operating System
Operating System (OS)  
Funtouch 4.5 OS (Android 8.1 Oreo)
Android 8.1 Oreo

   System on Chip (SOC)    
System on Chip (SOC)
SOC  
Qualcomm Snapdragon 439
MediaTek Helio P22 (MT6762)
Process Technology  
 12 nm 
 12 nm 
CPU  
4x 1.95 GHz ARM Cortex-A53
4x 2.0 GHz ARM Cortex-A53
4x 1.45 GHz ARM Cortex-A53
4x 1.5 GHz ARM Cortex-A53
CPU Bits  
 64 bits 
 64 bits 
Instruction Set  
 ARMv8
 ARMv8-A
CPU Frequency  
 1950 MHz  
 2000 MHz  
CPU Cores  
 8
  8
GPU  
Qualcomm Adreno 505
PowerVR GE8320
RAM Capacity  
2 GB
3 GB
  3 GB
RAM Type  
LPDDR3
 LPDDR3
RAM Channels  
Single channel
Single channel
RAM Frequency  

 933 MHz

   Storage    
Storage
Storage  
 16 GB 
32 GB
  32 GB 

Memory Cards   
Memory Cards
Types  
microSD
 microSD
microSDHC
 microSDHC
microSDXC
 microSDXC

   Display    
Display
Type / Technology  
IPS
 IPS
Diagonal Size  
 6.22 in 
  5.7 in 
 157.99 mm 
  144.78 mm 
 15.8 cm 
  14.48 cm 
Width  
  2.66 in 
  2.55 in 
  67.63 mm 
  64.75 mm 
  6.76 cm 
  6.47 cm 
Height  
  5.62 in 
  5.1 in 
 142.78 mm 
  129.5 mm 
  14.28 cm 
  12.95 cm 
Aspect Ratio  
 2.111:1
 2:1

 2:1 (18:9)
Resolution  
 720 x 1520 pixels 
 720 x 1440 pixels 
Pixel Density  
  270 ppi 
  282 ppi 
  106 ppcm 
  110 ppcm 
Color Depth  
  24 bits  
  24 bits  
  16777216 colors 
  16777216 colors 
Display Area  
  83.18 % 
  75.02 % 
Other Features  
 Capacitive 
 Capacitive 
 Multi-touch 
 Multi-touch 
Scratch resistant
2.5D curved glass screen
 2.5D Curved glass screen

   Sensors    
Sensors
Sensors  
Proximity
 Proximity
Light
 Light
Accelerometer
 Accelerometer
Compass
Gyroscope

Fingerprint
 Fingerprint

   Primary Camera    
Primary Camera
Sensor type  
CMOS

Aperture 
f/2.2
 f/2.2
Flash Type 
LED
Dual LED
 Image Resolution  
 4160 x 3120 pixels 
 4160 x 3120 pixels 
 12.98 MP 
 12.98 MP 
Video resolution 
1920 x 1080 pixels
 1920 x 1080 pixels
2.07 MP
 2.07 MP
Video FPS 
30 fps
 30 fps
Features  
Autofocus 
Autofocus 
Continuous shooting 
Continuous shooting  
Digital zoom
Digital zoom
Geotagging 
Geotagging 
Panorama 
Panorama 
HDR 
HDR 
Touch focus 
Touch focus 
Face detection
Face detection
White balance setting 
White balance setting 
ISO setting 
ISO setting 
Exposure compensation 
Exposure compensation 
Self-timer 
Self-timer 
Scene mode 
Scene mode 

Pixel size- 1.12 um

Phase detection
Secondary rear camera - 2 MP
Secondary rear camera- 5 MP
Aperture size - f/2.4 (#2)
Aperture size- f/2.4 (#2)

   Secondary Camera    
Secondary Camera
Aperture 
f/2
 f/2.2
Image Resolution  
3260 x 2448 pixels
 4160 x 3120 pixels 
7.99 MP
  12.98 MP 
Video Resolution 
1280 x 720 pixels
 1280 x 720 pixels
0.92  MP
 0.92 MP
Video FPS 
30 fps
 30 fps

Face unlock
Pixel size- 1.12 um

Secondary front camera- 5 MP

Aperture size- f/2.4 (#2)

   Audio
Audio
Speaker  
Loudspeaker 
Loudspeaker 
Earpiece
Earpiece

   Radio    
Radio
Radio  
Yes
  Yes

Tracking /  Positioning
Tracking /  Positioning
Tracking /  Positioning  
GPS
 A-GPS 
A-GPS
GPS
GLONASS
GLONASS
BeiDou


Wi-Fi    
Wi-Fi
Wi-Fi 
802.11b (IEEE 802.11b-1999)
 802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-1999)
 802.11g (IEEE 802.11g-1999)
802.11n (IEEE 802.11n-2003) 
 802.11n (IEEE 802.11n-2003) 
 Wi-Fi Hotspot 
 Wi-Fi Hotspot 
Wi-Fi Direct
 Wi-Fi-Direct

   Bluetooth  
Bluetooth
Version  
 4.2
 4.1
Features  
A2DP 
A2DP 

LE

USB
USB
Connector Type  
Micro USB
 USB Type-C
Version  
 2.0
  2.0
Features  
Charging 
Charging 
Mass Storage 
Mass Storage 
On-The-Go
On-The-Go

Headphone Jack
Headphone Jack
Headphone Jack  
Yes
 Yes

   Connectivity    
Connectivity
Connectivity  
 Computer sync 
 Computer sync 
 OTA sync 
 OTA sync 
Tethering
 Tethering
VoLTE
 VoLTE

   Browser    
Browser
Browser  
HTML 
HTML 
HTML5 
HTML5 
CSS 3 
CSS 3 

   Audio File Formats / Codecs    
Audio File Formats / Codecs
Audio File Formats  / Codecs   
AAC 
AAC 
AAC+ / aacPlus / HE-AAC v1
AAC+ / aacPlus / HE-AAC v1
AMR / AMR-NB / GSM-AMR 
AMR / AMR-NB / GSM-AMR 
aptX / apt-X
AMR-WB
eAAC+ / aacPlus v2 / HE-AAC v2
eAAC+ / aacPlus v2 / HE-AAC v2
FLAC 
FLAC 
MIDI 
MIDI 
MP3 
MP3 
OGG 
OGG 
WMA 
WMA 
WAV 
WAV 

   Video File Formats / Codecs    
Video File Formats / Codecs
Video File Formats /  Codecs  
3GPP 
3GPP 
AVI 
AVI 
H.263
H.263
H.264 / MPEG-4 Part 10 / AVC video
H.264 / MPEG-4 Part 10 / AVC video

QuickTime
MKV
MP4
MP4
WebM
WebM

WMV
Xvid
Xvid

   Battery    
Battery
Capacity  
4030 MAh
 3000 mAh
Type  
Li-Ion
 Li-Polymer
Features  
Non-removable 
 Non-removable 

Fast charging

Launch   
Launch
Announced  
 2018, November
 2018, October
Status  
Release Nov. 2018
Release 13 Dec.  2018

Price   
Price
Price  
 About 190 $
 About 130 $

   Design    
Design
Colors  
Black
 Black
Blue
 Blue
Width  
 75.09 mm 
  72.9 mm 
  7.51 cm 
  7.29 cm 
 0.25 ft 
  0.24 ft 
  2.96 in 
  2.87 in 
Height  
154.11 mm 
 153.8 mm 
15.51 cm 
 15.38 cm 
 0.51 ft 
  0.5 ft 
  6.11 in 
  6.06 in 
Thickness  
 8.28 mm 
  7.95 mm 
  0.83 cm 
  0.8 cm 
 0.03 ft 
  0.03 ft 
  0.33 in 
  0.31 in 
Weight  
163 g
  155 g
0.36 lbs
   0.34 lbs
5.77 oz
  5.47 oz
Volume  
 96.44 cm3
  89.14 cm3
  5.86 in3
  5.41 in3
Body Materials  
Plastic
 Metal

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