Vivo S9 vs Samsung Galaxy A31 – Review, specifications and prices

The new Vivo S9 handset has a 3 camera setup with a main lens of 64 MP, MediaTek Dimensity 1100 processor chipset and a battery of 4000 mAh. On other side, the Samsung Galaxy A31 also has awesome features. The comparison for both models with new specs are detailed next.

Vivo

Specifications

Feature Vivo S9 Samsung Galaxy A31
Phones specifications
Screen Display 6.44 in (inches) 6.4 in (inches)
Processor MediaTek Dimensity 1100 MediaTek Helio P65
Operating System OriginOS 1.0 (Android 11) OriginOS 1.0 (Android 11)
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
RAM 8 GB (gigabytes) or 12 GB (gigabytes) 4 GB (gigabytes) or 6 GB (gigabytes)
Storage 128 GB (gigabytes),256 GB (gigabytes) 64 GB (gigabytes),128 GB (gigabytes)
Camera 64/8/2 MP 48/8/5/5 MP
Front Camera 44 MP 20 MP
Battery 4000 mAh 5000 mAh

Processor and Operating System

The Vivo S9 runs on MediaTek Dimensity 1100 chipset and the processor has a total of 8 cores composed by 4 cores of 2.6 GHz ARM Cortex-A76 and 4 cores of 2.0 GHz ARM Cortex-A55. It has a maximum CPU frequency of 2600 MHz (megahertz). Some other special features include 64 bit architecture and VC cooling system. Running on OriginOS 1.0 (Android 11) operating system.

The MediaTek Dimensity 1100 is a better chipset processor than the MediaTek Helio P65.

Meanwhile, the Samsung Galaxy A31 has a MediaTek Helio P65, the second processor has a total of 8 cores composed by 2 cores of 2.0 GHz Cortex-A75 and 6 cores of 1.7 GHz Cortex-A55. It has a maximum CPU frequency of 2000 MHz (megahertz). Some other special features include 64 bit architecture. And it’s running on OriginOS 1.0 (Android 11) OS system.

Graphics Processor (GPU)

The Vivo S9 is carrying a ARM Mali-G77 gpu in the interior and the Samsung Galaxy A31 has the ARM Mali-G52 graphics processor.

Battery

The Vivo S9 battery capacity is 4000 mAh which is a 25% (percent) less powerful than the 5000 mAh offered by the Samsung Galaxy A31. Some features include Fast charging, Non-removable, 33W fast charging and Vivo FlashCharge.
The Samsung Galaxy A31 battery include Fast charging and Non-removable.

Screen

The handset is using a AMOLED display with 1080 x 2400 pixels and a screen size of 6.44 in (inches).

Meanwhile the Samsung Galaxy A31 is featuring a Super AMOLED display with 1080 x 2400 pixels and a screen size of 6.4 in (inches).

As we can see here, the Vivo S9 is a 0.6% bigger than Samsung Galaxy A31 screen.
The main display features of both phones are detailed next:

Vivo S9 Samsung Galaxy A31
2.5D curved glass screen 2.5D curved glass screen
3000000:1 Capacitive
90Hz refresh rate Infinity-U Display
98% NTSC Multi-touch
Capacitive Scratch resistant
HDR10+
Multi-touch
Scratch resistant

RAM Memory and storage

On the memory hardware side, the Vivo S9 is carrying a ram memory of 8 GB (gigabytes) or 12 GB (gigabytes) with some features like 2133 MHz (megahertz), LPDDR4X and Double channel.

The Samsung Galaxy A31 is coming with a 4 GB (gigabytes) or 6 GB (gigabytes) and it has some features like LPDDR4X and Double channel.
In the basic edition, the Vivo S9 gives a 100% more ram memory capacity than Samsung Galaxy A31.

The maximum capacity offered by the Vivo S9 is 12 gigabytes ,which is a 100% bigger than the Samsung Galaxy A31 with 6 gigabytes.

How much built-in storage space you can get for apps and saving photos, files and video? The Vivo S9 comes with or 128 GB (gigabytes) or 256 GB (gigabytes). In the basic edition, the Vivo S9 gives a 100% more storage memory capacity than Samsung Galaxy A31.

The max storage capacity offered by the Vivo S9 is 256 gigabytes ,which is a 100% more than the Samsung Galaxy A31 with 128 gigabytes.

Samsung Galaxy A31 gets you or 64 GB (gigabytes) or 128 GB (gigabytes) of internal storage.

Rear Camera

The Vivo S9 rear camera setup is composed by 3 lenses of 64/8/2 MP , the flash type is LED , a focal length 35 mm:26 mm , carrying a sensor like Samsung S5KGW1 , a pixel size of 0.8 µm (micrometers) and aperture lens of f/1.8 f/2.2 f/2.4 respectively.

Vivo

Meanwhile the Samsung Galaxy A31 rear camera comes with 4 lenses of 48/8/5/5 MP , the flash type is LED , a pixel size of 0.8 µm (micrometers) and aperture lens of f/2.0 f/2.2 f/2.4 f/2.4 respectively.

Vivo S9 Samsung Galaxy A31
10x digital zoom Aperture size – f/2.2 (#2)
Aperture size – f/2.2 (#2) Aperture size – f/2.4 (#3)
Aperture size – f/2.4 (#3) Aperture size – f/2.4 (#4)
Autofocus Autofocus
Continuous shooting Continuous shooting
Digital image stabilization Digital zoom
Digital zoom Exposure compensation
Exposure compensation Face detection
Face detection Fourth rear camera – 5 MP (macro)
Focal length equivalent (35 mm) – 16 mm (#2) Geotagging
Geotagging HDR
HDR ISO settings
ISO settings Panorama
Optical image stabilization Scene mode
Panorama Secondary rear camera – 8 MP (ultra-wide)
Phase detection autofocus (PDAF) Self-timer
Pixel size – 1.12 µm (#2) Third rear camera – 5 MP (depth-sensing)
Scene mode Touch focus
Secondary rear camera – 8 MP (ultra-wide-angle macro) White balance settings
Self-timer
Sensor size – 1/4″ (#2)
Third rear camera – 2 MP (macro)
Touch focus
White balance settings

Front Camera – Selfie

The Vivo S9 comes with a 44 MP in the front.

The Samsung Galaxy A31 has a 20 MP as a main front-camera.

Some other front camera features are detailed next:

Vivo S9 Samsung Galaxy A31
44 MP 20 MP
5-element lens (#2) Aperture:f/2.2
Angle of view – 105° (#2) Biometric recognition
Aperture size – f/2.3 (#2) HDR
Aperture:f/2.0
Autofocus
Digital image stabilization
Face detection
Face unlock
Geotagging
HDR
Panorama
Secondary front camera – 8 MP (ultra-wide-angle)

Data network and speed connectivity/bandwidth

The mobile networks technologies improve the communication between devices, connectivity speed and files download/upload bandwidth depending of the place.

Vivo S9 Samsung Galaxy A31
5G NSA EDGE
5G SA GPRS
Built-in 5G modem HSPA+(5.76/ 42 Mbit/s)
EDGE LTE Cat 10(102.0/452.2 Mbit/s)
GPRS UMTS(384 kbit/s)
HSPA+
LTE
TD-SCDMA

Price

The Vivo S9 price is $465 and the Samsung Galaxy A31 price tag is $200

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