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