Samsung galaxy A51 5G survey! 5G smartphone with high-spec functions!
The Samsung Galaxy A51 was declared and delivered in December 2019 alongside the Cosmic system A71. Samsung later declared a 5G variation in April 2020 highlighting a bigger 4500mAh battery and an Exynos 9811 SoC.. It is a middle-range 5G smartphone while incorporates the high-spec functions and performance of the high-end model S20 series.
Equipped with a quad camera including the first "macro lens" in the Galaxy series. It has become one with new elements that have never been seen before.
This time, we will review and evaluate the Galaxy A51 5G from various perspectives such as "appearance design", "specs and performance", and "camera" .
Review the appearance design of Galaxy A51 5G
First, let's check the appearance of the Galaxy A51 5G.
Front/Back design
Galaxy A51 5G is equipped with a 6.5-inch organic EL display. A small punch-hole type in-camera is adopted at the upper center, and it is possible to use the screen widely without physical buttons on the display.
The square type "quad camera" is engraved on the upper left of the back, the "Docomo" logo and "FeliCa mark" are engraved near the center, and the letters "Galaxy" and "model number" are engraved at the bottom. The protrusion of the camera is only about one SIM card, so you won't have to worry about it.
The back design uses beautiful hologram processing and a vivid glossy finish. The appearance changes depending on how the light hits it, so it's a design that you won't get tired of.
Side design
Adopted a shining aluminum frame on the side. The volume button and power button are aggregated on the right side.
A monaural speaker is mounted on the upper side. It has an earphone jack that the high-end model S20 series does not have, and it is attractive that you can use wired earphones without a conversion adapter.
Feeling of size and weight
The body size of the Galaxy A51 5G is about 159.2mm (length) x about 74.1mm (width) x about 8.7mm (thickness), and weighs about 189g. I compared the size with Xperia 5 II. The vertical size is similar, but the width and weight of the Galaxy A51 5G are larger, and the screen is easier to see.
The back adopts a round form that gently curves left and right. It's easier to hold than it looks, and it fits comfortably in your hand. The front is a flat display, so you can comfortably enter characters without erroneous operation.
Color variations
The Galaxy A51 5G comes in two colors: Prism Brix White and Prism Brix Black. This review is for the Prism Brix White.
Check the specs and performance of Galaxy A51 5G
Galaxy A51 5G specs and performance
Model name Galaxy A51 5G
Body size (length x width x thickness) Approximately 159.2 x 74.1 x 8.7mm
weight about 189g
display About 6.5 inch
organic EL display
resolution (1080 x 2400)
OS Android 10 (initial OS)
CPU (SoC) Snapdragon 765 5G
memory (RAM) 6GB
Internal storage (ROM) 128GB
external storage Up to 1TB
main camera Quad camera
Approx. 48 million pixels (wide angle) / F value 2.0
Approx. 12 million pixels (ultra wide angle) / F value 2.2
Approx. 5 million pixels (macro) / F value 2.4
Approx. 5 million pixels (depth positioning) / F value 2.2
sub camera Single camera
about 32 million pixels / F value 2.2
battery 4,500mAh
charging terminal USB Type-C
Waterproof/Dustproof IP68 compatible
Wi-Fi (supported communication standard) IEEE802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0
Mobile wallet Correspondence
One Seg/Full Seg incompatible
wireless charging incompatible
body color Prism Brix White
Prism Brix Black
others Equipped with face authentication / in-screen fingerprint authentication
earphone jack
Galaxy A51 5G is a "high middle" specification, which is the upper class in the middle range. Power-saving and high-performance CPU "Snapdragon 765 5G" is adopted, memory (RAM) is 6GB, and large capacity storage (ROM) is 128GB.
In addition, it is one that has the functions you want, such as IP68 waterproof and dustproof, Osaifu-Keitai, and support for both face authentication and fingerprint authentication.
It also supports the 5th generation mobile communication system "5G", and the communication speed of the docomo version is a maximum of 2.1 Gbps when receiving and a maximum of 218 Mbps when sending. (*Best-effort method adopted. Actual communication speed varies depending on the environment and network congestion. It is the maximum value based on technical standards.)
Of course, general phone calls, emails, web browsing, LINE, and SNS are comfortable. There was no lag in the startup speed or operation of the application.
It is possible to play heavy 3D games such as Pokemon GO and PUBG mobile enough. Equipped with a power-saving CPU and a large-capacity battery of 4,500mAh, it is an attractive unit that allows you to play games and watch videos for a long time without worry.
Galaxy A51 5G camera performance
The Galaxy A51 5G is equipped with a quad camera including the first macro lens in the Galaxy series, making it a camera that can handle a wide range of scenes.
The camera configuration is about 48 million pixels wide angle (F value 2.0), about 12 million pixels super wide angle (F value 2.2), about 5 million pixels macro (F value 2.4), about 5 million pixels depth positioning camera ( F value is 2.2).
As with the high-end model S20 series, it also has a wide variety of shooting modes. "Single Take" allows you to shoot up to 14 types of photos and videos in 3 to 10 seconds in one shot, "Night Mode" allows you to take more beautiful pictures in dark places, and "Live Mode" blurs the background of the subject like a single-lens camera. Focus" is also supported.
Let's check the Galaxy A51 5G.
Scenery
Both are bright and it is possible to take vivid pictures. The wide-angle is brighter, and the ultra-wide-angle is darker than the wide-angle.
Although there is a difference in color, both are capable of expressing the subject.
Close-up
Even in scenes that are out of focus with a wide-angle lens, macro captures the subject perfectly. Although the color expression is different from the wide-angle, the natural brightness makes it possible to show the delicacy of the flower petals.
Zoom
Galaxy A51 5G is capable of zoom shooting with up to 10x digital zoom. The impression is that it lacks delicacy, so if it's just a record, there's no problem, but I felt that it fell short of leaving memories.
Night view
I shot in a pitch-black park, but wide-angle (auto) gives the impression that noise is more likely to occur than when using night mode, and there is also roughness.
When using night mode, you can capture the subject more clearly and shoot brightly.
There is a clear difference between the presence or absence of night mode due to the ultra-wide angle. The ultra-wide angle (auto) mode is dark and rough, but when using night mode, everything from the feet to the sky is bright.
As an ultra-wide-angle camera, I had the impression that it could shoot dark places as well as high-end. In situations where the amount of light is extremely insufficient, we recommend actively using night mode.
The Galaxy A51 5G is a low-priced middle-range camera, but if it can shoot in pitch-black scenes, it can be said to be a “strong” camera for dark places and night scenes.
Taking a meal
The Galaxy series cameras tend to have warm colors when shooting food, but the Galaxy A51 5G can shoot with natural colors.
As a result, you may get the impression that it is a little inorganic, but you can also take pictures that look delicious by adjusting the brightness when shooting.
Portrait
By using "Live Focus", you can shoot with the subject's background blurred like a single-lens reflex camera. Although the blurring of the background can be adjusted and it is easy to use, there were scenes where the boundary between the background and the subject could not be expressed well.
It's not perfect, but the fact that it can be used not only for people but also for things was a point that I enjoyed using.
Impressions and features of Galaxy A51 5G
Finally, I will introduce my impressions and good points about using the Galaxy A51 5G.
The first macro lens in the Galaxy series is attractive! The quad camera is versatile and easy to use!
Equipped with the first macro lens in the Galaxy series, it was possible to focus and take clear close-up shots even in scenes that could not be captured until now.
In addition, it is also attractive that you can use the portrait mode that beautifully blurs the background of the subject like a single-lens reflex camera, and the night mode that is strong in dark places and night scenes.
The Galaxy A51 5G is a quad camera that can handle a wide range of scenes, and you can take a beautiful picture just by pressing the shutter without the need for difficult settings or operations.
It supports both face authentication and fingerprint authentication and is easy to use!
Security functions are important because smartphones are used on a daily basis. The Galaxy A51 5G supports both face authentication and fingerprint authentication.
It's nice to be able to flexibly use it according to the scene, such as fingerprint authentication when wearing a mask and face authentication when relaxing at home.
In addition, the authentication speed for both fingerprint authentication and face authentication is fast, and it was also attractive that I did not feel dissatisfied or stressed even if I used it every day.
A monaural speaker that can enjoy clear sound, but it is unsatisfactory
One thing I regretted using the Galaxy A51 5G was the monaural speaker. The sound quality is clear and powerful, but I felt that the spread of the sound and the sense of realism were a little lacking.
For example, if you use the Galaxy A51 5G with the screen sideways to watch videos, the sound output is only from the bottom speaker, so you can't help but feel uncomfortable.
If you simply want high-quality sound and presence, the S20 series with stereo speakers is recommended. However, it also has the big advantage of being equipped with an earphone jack, so let's choose one according to the purpose and environment you want to use.
Galaxy A51 5G evaluation summary
The Galaxy A51 5G is an attractive smartphone that successfully incorporates the good points of the high-end model S20 series, and has a lower price while maintaining the ease of use.
It has everything you need, such as a camera that is easy to use in various situations, operation that is not dissatisfying in daily use, a battery that can be used all day long, waterproof and dustproof, and a mobile wallet.
It is recommended for those who want a 5G compatible smartphone with high-end performance and functions at the lowest possible price.
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