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 A51 5G also has interesting features. The comparison for both models with new specs are detailed next.

Vivo

Specifications

Feature Vivo S9 Samsung Galaxy A51 5G
Phones specifications
Screen Display 6.44 in (inches) 6.5 in (inches)
Processor MediaTek Dimensity 1100 Samsung Exynos 980
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) 6 GB (gigabytes) or 8 GB (gigabytes)
Storage 128 GB (gigabytes),256 GB (gigabytes) 128 GB (gigabytes)
Camera 64/8/2 MP 48/12/5/5 MP
Front Camera 44 MP 32 MP
Battery 4000 mAh 4500 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 Samsung Exynos 980.

Meanwhile, the Samsung Galaxy A51 5G has a Samsung Exynos 980, the second processor has a total of 8 cores composed by 2 cores of 2.2 GHz ARM Cortex-A77 and 6 cores of 1.8 GHz ARM Cortex-A55. It has a maximum CPU frequency of 2200 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 A51 5G has the ARM Mali-G76 MP5,5 cores graphics processor.

Battery

The Vivo S9 battery capacity is 4000 mAh which is a 12.5% (percent) less powerful than the 4500 mAh offered by the Samsung Galaxy A51 5G. Some features include Fast charging, Non-removable, 33W fast charging and Vivo FlashCharge.
The Samsung Galaxy A51 5G battery include Fast charging and Non-removable.

Screen

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

Meanwhile the Samsung Galaxy A51 5G is featuring a Super AMOLED display with 1080 x 2400 pixels and a screen size of 6.5 in (inches).

As we can see here, the Vivo S9 is a 0.9% smaller than Samsung Galaxy A51 5G screen.
The main display features of both phones are detailed next:

Vivo S9 Samsung Galaxy A51 5G
2.5D curved glass screen Capacitive
3000000:1 Infinity-O Display
90Hz refresh rate Multi-touch
98% NTSC Scratch resistant
Capacitive
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 A51 5G is coming with a 6 GB (gigabytes) or 8 GB (gigabytes) and it has some features like LPDDR4X and Double channel.
In the basic edition, the Vivo S9 gives a 33.3% more ram memory capacity than Samsung Galaxy A51 5G.

The maximum capacity offered by the Vivo S9 is 12 gigabytes ,which is a 50% bigger than the Samsung Galaxy A51 5G with 8 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, both phones have the same storage capacity of 128 gigabytes.

The max storage capacity offered by the Vivo S9 is 256 gigabytes ,which is a 100% more than the Samsung Galaxy A51 5G with 128 gigabytes.

Samsung Galaxy A51 5G gets you 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 A51 5G rear camera comes with 4 lenses of 48/12/5/5 MP , the flash type is LED , carrying sensor like Samsung S5KGM2 , a pixel size of 0.8 µm (micrometers) and aperture lens of f/2.0 f/2.2 f/2.4 f/2.2 respectively.

Vivo S9 Samsung Galaxy A51 5G
10x digital zoom Aperture size – f/2.2 (#2)
Aperture size – f/2.2 (#2) Aperture size – f/2.2 (#4)
Aperture size – f/2.4 (#3) Aperture size – f/2.4 (#3)
Autofocus Autofocus
Continuous shooting Continuous shooting
Digital image stabilization Digital image stabilization
Digital zoom Digital zoom
Exposure compensation Exposure compensation
Face detection Face detection
Focal length equivalent (35 mm) – 16 mm (#2) Fourth rear camera – 5 MP (depth-sensing)
Geotagging Geotagging
HDR HDR
ISO settings ISO settings
Optical image stabilization Panorama
Panorama Phase detection autofocus (PDAF)
Phase detection autofocus (PDAF) Pixel size – 1.12 m (#2)
Pixel size – 1.12 µm (#2) Pixel size – 1.12 m (#3)
Scene mode Pixel size – 1.6 m (4-in-1 pixel binning)
Secondary rear camera – 8 MP (ultra-wide-angle macro) Scene mode
Self-timer Secondary rear camera – 12 MP (ultra-wide angle)
Sensor size – 1/4″ (#2) Self-timer
Third rear camera – 2 MP (macro) Sensor type – ISOCELL PLUS
Touch focus Super Phase Detection
White balance settings Third rear camera – 5 MP (macro)
Touch focus
White balance settings

Front Camera – Selfie

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

The Samsung Galaxy A51 5G has a 32 MP as a main front-camera.

Some other front camera features are detailed next:

Vivo S9 Samsung Galaxy A51 5G
44 MP 32 MP
5-element lens (#2) Aperture:f/2.2
Angle of view – 105° (#2) Face unlock
Aperture size – f/2.3 (#2) Pixel size:0.8 µm /0.000800 mm
Aperture:f/2.0 Sensor model:Samsung S5KGD1
Autofocus Sensor type – ISOCELL Slim
Digital image stabilization Sensor type:ISOCELL
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 A51 5G
5G NSA 5G NSA
5G SA 5G SA
Built-in 5G modem Built-in 5G modem
EDGE EDGE
GPRS GPRS
HSPA+ HSPA+(5.76/ 42 Mbit/s)
LTE LTE
TD-SCDMA UMTS(384 kbit/s)

Price

The Vivo S9 price is $465 and the Samsung Galaxy A51 5G price tag is $450

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