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Vivo S1 vs OPPO A9

Key Feature Comparison

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At a Glance

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Octa core (2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)

MediaTek Helio P65, Mali-G52

Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)

MediaTek Helio P70, Mali-G72 MP3

4500 mAh

Li-Polymer, Fast, 18W

4020 mAh

Li-ion, Fast

6.38 inches

404 ppi, FHD

6.53 inches

395 ppi, FHD

Triple, 16MP + 8MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Dual, 16MP + 2MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

6.38 inches
6.53 inches

Screen Type

Super AMOLED
IPS LCD

Screen Resolution

1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

404 ppi
395 ppi

Aspect Ratio

19.5:9
19.5:9

Screen to Body Ratio

90%
90.70%

Screen Design

Waterdrop notch
Waterdrop notch

Screen Quality

FHD
FHD

Screen Protection

-
Gorilla Glass 5

Phone Variants

6GB 64GB, 6GB 128GB, 4GB 128GB
4GB 128GB

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
LPDDR4X

Storage Type

eMMC 5.1
eMMC 5.1

Expandable Storage Capacity

Yes, 256 GB
Yes, 256 GB

OTG Support

Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)

GPU

Mali-G52
Mali-G72 MP3

Chipset

MediaTek Helio P65
MediaTek Helio P70

CPU

Octa core (2 GHz, Dual core, Cortex A75 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)

Custom User Interface

Funtouch OS
ColorOS

Clock Speed

2 GHz
2.1 GHz

Architecture

64 bit
64 bit

Process Technology

12 nm
12 nm

Battery Capacity

4500 mAh
4020 mAh

Battery Removable

No
No

Battery Type

Li-Polymer
Li-ion

Charger Type

Fast, 18W
Fast

USB Type-C

No
No

Fast Charging

Yes
Yes

Announced On

8-Aug-19
5-Apr-19

Market Status

Available
Available

Brand

Vivo
OPPO

Model Number

vivo 1907/PD1913F_EX
CPH1938

Price Status

Confirmed
Confirmed

Price

Rs. 16,990
Rs. 15,398

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

Audio Features

Active noise cancellation with dedicated mic
Active noise cancellation with dedicated mic

NFC

No
No

Network Support

4G
4G

Bluetooth

Yes
Yes

FM Radio

Yes
-

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

Yes, Wi-Fi 802.11, b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n

Bluetooth Type

v5.0
v4.2

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No
No

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR
HDR

Front Camera Setup

Single, 32MP
Single, 16MP

Front Camera 1 Resolution

32 MP
16 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.0 Primary Camera

Front Camera 1 Lens

26 mm focal length, 2.8" sensor size, 0.8 micrometre pixel size
3.1" sensor size, 1 micrometre pixel size

Front Aperture

f/2.0
f/2.0

Front Flash

Yes, Screen flash
-

Weight

179 grams
190 grams

Colors

Diamond Black, Skyline Blue, Fusion Black
Marble Green, Fluorite Purple

Build

Back: Plastic
Back: Plastic

Dimensions

159.5 x 75.2 x 8.1 mm
162 x 76.1 x 8.3 mm

SAR Value

Head: 0.756 W/kg, Body: 0.335 W/kg
-

Rear Flash

Yes, LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Triple, 16MP + 8MP + 2MP
Dual, 16MP + 2MP

Rear Camera 1 Resolution

16 MP
16 MP

Rear Camera 1 Type

f/1.78, Wide Angle Primary Camera
f/1.8 Primary Camera

Rear Camera 1 Lens

2.8" sensor size, 1.12 micrometre pixel size
2.8" sensor size, 1.12 micrometre pixel size

Rear Camera 2 Resolution

8 MP
2 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Depth Camera

Rear Camera 2 Lens

13 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
1.75 micrometre pixel size

Rear Camera 3 Resolution

2 MP
-

Rear Camera 3 Type

f/2.4, Depth Camera
-

Rear Sensor

Exmor-RS CMOS Sensor
CMOS image sensor

Rear Aperture

f/1.78
f/1.8

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

On-Screen
Rear

Fingerprint Scanner Type

Optical
-

Face Unlock

Yes
Yes

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