Compare Vivo Y9s Vs Xiaomi Mi 9


Xiaomi Mi 9 packs with a 6.39" Super AMOLED display, Snapdragon 855 SoC, 6/8 GB RAM, 64/128 GB storage, 20 MP front camera, 48/16/12 MP triple rear camera, 3300 mAh battery with 20W fast charging, and 445 $ price.

While Vivo Y9s keeps a 6.38" AMOLED display, Snapdragon 665 SoC, 8 GB RAM, 128 GB storage, 32 MP front camera, 48/8/2/2 MP quad rear camera, 4100 mAh battery with 18W fast charging and 284 $ price.


Here’s an in-depth comparison between Vivo Y9s and Xiaomi Mi 9.

Jump to:
  1. Operating System  Comparison
  2. System  on  Chip (SOC)  Comparison
  3. RAM Comparison
  4. Storage  Comparison
  5. Display Comparison
  6. Launch Date Comparison
  7. Price  Comparison
  8. Sensors  Comparison
  9. Rear Camera Comparison
  10. Front Camera Comparison
  11. Tracking /  Positioning  Comparison
  12. Wi-Fi  Comparison
  13. Bluetooth  Comparison
  14. USB Comparison
  15. Connectivity  Comparison
  16. Audio File Formats /  Codecs Comparison
  17. Video File Formats /  Codecs Comparison
  18. Battery  Comparison
  19. Design  Comparison
  20. SIM Card  Comparison
  21. Networks  Comparison
  22. Mobile Network Technology and Bandwidth Comparison



Vivo Y9s

Xiaomi Mi 9

Brand and Model   

Brand and Model

Brand 

Brand 

Vivo
  Xiaomi

Model 

Model 

Vivo Y9s
 Mi 9

Model Alias

Model Alias

V1945A
 Mi9
 V1945T

Vivo Y9s Operating System (OS)

Operating System (OS) 

Funtouch 9.2 OS (Android 9.0 Pie)
MIUI (Android 9.1 Pie)

Vivo Y9s System on  Chip (SOC)    

System on  Chip (SOC)

SOC 

SOC 

Qualcomm Snapdragon 665
Qualcomm Snapdragon 855

Process Technology 

Process Technology 

 11 nm 
 7 nm 

CPU

CPU

4x 2.0 GHz Kryo 260
1x 2.8 GHz Kryo 485
4x 1.8 GHz Kryo 260
3x 2.42 Ghz Kryo 485

4x 1.8 GHz Kryo 485

CPU Bits 

CPU Bits 

 64 bits 
 64 bits 

Instruction Set  

Instruction Set  

 ARMv8
 ARMv8-A

CPU Frequency 

CPU Frequency 

 2000 MHz  
 2840 MHz  

CPU Cores 

CPU Cores 

 8
  8

GPU

GPU

Qualcomm Adreno 610
Qualcomm Adreno 640

Vivo Y9s RAM Capacity 

RAM Capacity 


6 GB
8 GB
 8 GB

RAM Type  

RAM Type  

 LPDDR4X
 LPDDR4X

RAM Channels  

RAM Channels  

Double channel
 Double channel

RAM Frequency  

RAM Frequency  

1866 MHz
 2133 MHz

Other Features

Other Features 

 Multi Turbo

Vivo Y9s Storage    

Storage


  64 GB 
128 GB
  128 GB

Vivo Y9s Memory Cards 

Memory Cards

microSD
No Card
 microSDHC

 microSDXC

Vivo Y9s Display    

Display

Type / Technology 

Type / Technology 

Super AMOLED
Super AMOLED

Diagonal Size 

Diagonal Size 

 6.38 in 
  6.39 in 
 162.05 mm 
  162.31 mm 
 16.21 cm 
  16.23 cm 

Width 

Width 

  2.67 in 
  2.74 in 
  67.91 mm 
  69.48 mm 
  6.79 cm 
  6.95 cm 

Height 

Height 

  5.79 in 
  5.77 in 
 147.14 mm 
  146.68 mm 
  14.71 cm 
  14.67 cm 

Aspect Ratio 

Aspect Ratio 

 2.167:1
 2.111:1 

Resolution 

Resolution 

1080 x 2340 pixels
 1080 x 2280  pixels 

Pixel Density 

Pixel Density 

404 ppi 
  395 ppi 
158 ppcm 
  155 ppcm 

Color Depth 

Color Depth 

  24 bits  
  24 bits  
  16777216 colors 
  16777216 colors 

Display Area 

Display Area 

  83.72 % 
  87.95 % 

Other Features 

Other Features 

 Capacitive 
 Capacitive 
 Multi-touch 
 Multi-touch 

Scratch resistant

Corning Gorilla Glass 6

2.5D curved glass screen

60000:1 contrast ratio

Display manufacturer- Samsung

Always-On Display

103.8% NTSC

430 cd/ m square

Peak brightness- 600 cd/m square

HDR10

Vivo Y9s Sensors 

Sensors

Proximity
 Proximity
Light
 Light
Accelerometer
Accelerometer
Compass
 Compass
Gyroscope
 Gyroscope
Fingerprint
 Fingerprint

 Barometer

 Hall
In-Display fingerprint sensor
 In-display fingerprint sensor

Step detector

Step counter

Vivo Y9s Rear Camera    

Rear Camera 

Sensor Model

Sensor Model


Sony IMX586 Exmor RS

Sensor type 

Sensor type 

CMOS
CMOS BSI

Aperture

Aperture

 f/1.8
 f/1.75

Flash Type

Flash Type

LED
Dual LED

 Image Resolution 

 Image Resolution 

8000 x 6000 Pixels
 8000 x 6000 pixels 
 48 MP 
 48 MP 

Video resolution

Video resolution

1920 x 1080 pixels
 3840 x 2160 pixels
2.07 MP
 8.29 MP

Video FPS

Video FPS

30 fps
 30 fps

Features 

Features 

Autofocus 
Autofocus 
Continuous shooting 
Continuous shooting 
Digital zoom
Digital zoom 

Optical zoom

Digital image stabilization

Optical image stabilization
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 

RAW

Macro mode
Sensor size-1/2”
Sensor size- 1/2”
Pixel size - 1.6 um (4-in-1 pixel binning)
Pixel size-1.6 um (4-in-1 pixel binning)
 Phase Detection with Dual Pixel
Phase detection

 Laser autofocus

Contrast autofocus

Sapphire crystal glass lens cover

4-axis OIS
  6-elemnets lens
6-element lens

Focal length (35 mm equivalent)  -27 mm

1080p @ 240 fps

720p @ 960 fps

Secondary rear camera- 8 MP (ultra-wide-angle)

Secondary rear camera- 12 MP (telephoto)


Sensor model-Samsung S5K3M5 (#2)

Sensor Type – ISOCELL (#2)

Sensor size- 1/3.4” (#2)

Pixel size- 1.0 um (#2)
Aperture size- f/2.2 (#2)
Aperture size- f/2.2 (#2)
  6-element lens (#2)
6-element lens (#2)
Angle of view- 120 degree (#2) 
Focal length (35 mm equivalent)- 51 mm (#2)

Third rear camera- 2 MP

Third rear camera- 16 MP (ultra-wide angle)


Sensor model-Sony IMX481 Exmor RS (#3)

Sensor size- 1/3” (#3)

Wide-angle lens- 117 degree (#3)

Pixel size- 1.0 um (#3)
 Aperture size- f/2.4 (#3)
Aperture size- f/2.2 (#3)
  5-elements lens (#3)
6-element lens (#3)

Focal length (35 mm equivalent)- 17 mm (#3)

 Fourth rear camera- 2 MP

 

 Aperture size- f/2.4 (#4)

5-elements lens (#4)

Vivo Y9s Front Camera

   Front Camera    

Sensor Type
Sensor Type

CMOS

 

Aperture
Aperture
f/2
 f/2

Image Resolution 

Image Resolution 

6528 x 4896 pixels 
 5120 x 3840 pixels 
 31.96 MP 
  19.66 MP 

Video Resolution

Video Resolution

1920 x 1080 pixels
 1920 x 1080 pixels
2.07 MP
 2.07 MP

Video FPS

Video FPS

30 fps
 30 fps

Features 

Features 


Pixel size- 1.8 um

Focal length (35 mm equivalent)- 18 mm
 Face unlock

Vivo Y9s Audio 

Audio

Loudspeaker 
Loudspeaker 
Earpiece
Earpiece

Headphone adapter

Vivo Y9s Radio    

Radio

Yes
  No

Vivo Y9s Tracking /  Positioning 

Tracking /  Positioning

GPS
 GPS (L1+L5)
A-GPS
 A-GPS 
GLONASS
GLONASS (L1)
BeiDou
BeiDoui (B1)
 Galileo
Galileo (E1+E5a)

Vivo Y9s Wi-Fi    

Wi-Fi

802.11a (IEEE 802.11a-1999)
 802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
 802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
 802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009) 
 802.11n (IEEE 802.11n-2009) 
802.11n 5GHz
 802.11n 5GHz
802.11ac (IEEE 802.11ac)
 802.11ac (IEEE 802.11ac)
Dual band
 Dual band
 Wi-Fi Hotspot 
 Wi-Fi Hotspot 
Wi-Fi Direct
 Wi-Fi Direct

 Wi-Fi Display

 2x2 MiMO

Vivo Y9s Bluetooth  

Bluetooth

Version 

Version 

 5.0
 5.0

Features 

Features 

A2DP 
A2DP 
 LE
LE 

Vivo Y9s USB 

USB

Connector Type  

Connector Type  

USB Type-C
 USB Type-C

Version 

Version 

 2.0
  2.0

Features 

Features 

Charging 
Charging 
Mass Storage 
Mass Storage 
 On-The-Go  
On-The-Go

Host

Vivo Y9s Headphone Jack 

Headphone Jack

Yes
 No

Vivo Y9s Connectivity 

Connectivity

 Computer sync 
 Computer sync 
 OTA sync 
 OTA sync 
Tethering
 Tethering

 NFC

 DLNA
VoLTE
 VoLTE

Infrared

Vivo Y9s Browser    

Browser

HTML 
HTML 
HTML5 
HTML5 
CSS 3 
CSS 3 

Vivo Y9s Audio File Formats /  Codecs    

   Audio File Formats /  Codecs    

AAC 
AAC 
 AAC+ / aaPlus / HE-AAC v1
AAC+ / aacPlus / HE-AAC v1


AMR / AMR-NB / GSM-AMR 
AMR / AMR-NB / GSM-AMR 
 AMR-WB
AMR-WB

aptX / apt-X

aptX HD / apt-X HD / aptX lossless
eAAC+ / aacPlus v2 / HE-AAC v2
eAAC+ / aacPlus v2 / HE-AAC v2
FLAC 
FLAC 
MIDI 
MIDI 
MP3 
MP3 
OGG 
OGG 
WMA 
WMA 
WAV 
 WAV 

LDAC

Vivo Y9s Video File Formats /  Codecs    

   Video File Formats /  Codecs    

3GPP 
3GPP 
AVI 
AVI 
 DivX
DivX
 Flash Video

H.263
H.263
H.264 / MPEG-4 Part 10 / AVC video
H.264 / MPEG-4 Part 10 / AVC video

H.265 / MPEG-H Part 2 / HEVC
 MKV
MKV
MP4
MP4

VC-1
WebM

 WMV

Xvid
Xvid

Vivo Y9s Battery    

Battery

Capacity

Capacity

4500 mAh
3300 mAh

Type 

Type 

Li-Polymer
 Li-Polymer

Features 

Features 

 Non-removable 
 Non-removable 
Fast charging
 Fast charging

Wireless charging

Wireless charging – 20 W

Charger Output Power 

Charger Output Power


5 V / 3A
9 V / 2 A 
9 V / 3 A

12 V / 2.25 A

20 V / 1.35 A

Quick Charge Technology

Quick Charge Technology

 Vivo Flash Charge
Qualcomm Quick Charge 4+

Vivo Y9s Launch   

Launch

Announced 

Announced 

 2019, Dec.
 2019, Feb.

Status 

Status 

Release 6th Dec. 2019
 Release Feb 2019

Vivo Y9s Price

Price

8 GB + 128 GB = 284 $
 Start 445 $  

Vivo Y9s Design    

Design

Colors 

Colors 

Glazed Black
 Black
Nebula Blue
 Blue
Symphony of Light
Violet

Width 

Width 

75.19 mm 
  75 mm 
7.52 cm 
  7.5 cm 
 0.25 ft 
  0.25 ft 
  2.96 in 
  2.95 in 

Height 

Height 

159.25 mm 
 155 mm 
15.93 cm 
 15.5 cm 
 0.52 ft 
  0.51 ft 
  6.27 in 
  6.1 in 

Thickness 

Thickness 

 8.68 mm 
  7.61 mm 
  0.87 cm 
  0.76 cm 
 0.03 ft 
  0.02 ft 
  0.34 in 
  0.3 in 

Weight 

Weight 

186 g
  173 g
0.41 lbs
  0.38 lbs
6.59 oz
  6.1 oz

Volume 

Volume 

 103.93 cm3
  89.5 cm3
6.31 in3
  5.44 in3

Body Materials

Body Materials

Aluminium alloy
Aluminium alloy
Plastic
 Glass

Vivo Y9s SIM Card    

SIM Card

SIM Card Type  

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 

Number of SIM Cards 

  2
  2

Features

Features

Dual SIM stand-by
Dual SIM stand-by

Vivo Y9s Networks

Networks

GSM / LTE / W-CDMA
GSM / LTE / CDMA / W-CDMA / TD-SCDMA

Vivo Y9s Mobile Network Technology and Bandwidth

Mobile Network Technology and Bandwidth

  UMTS
 UMTS (384 kbit/s) 
 EDGE 
 EDGE 
 GPRS  
 GPRS  
 HSPA+ 
 HSPA+ 
LTE Cat 12 (102.0 Mbit/s, 603.0 Mbit/s)
LTE
 EV-DO Rev. A (1.8 Mbit/s, 3.1 Mbit/s)
EV-Do Rev. A (1.8 Mbit/s, 3.1 Mbit/s)

TD-SCDMA

TD-HSDPA

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