What are the merits and demerits of Xiaomi Mi 9 SE? Performance evaluation review

Detailed review of Xiaomi Mi 9 SE's features

Evaluate the ease and operability of Xiaomi Mi 9 SE, the performance of the CPU, and the suitability for multitasking. Experts reviewing about 600 kinds of smartphones, from a fair standpoint, will explain in an easy-to-understand manner.

Evaluate the ease of use of Xiaomi Mi 9 SE

Is Xiaomi Mi 9 SE easy to carry? Compare ease of carrying and ease of taking out

When considering whether to buy Xiaomi Mi 9 SE or not, the most important thing is the size of Xiaomi Mi 9 SE. Since smartphones are used on a daily basis, easy of portability and ease of access are important points to consider. Here, I evaluated whether Xiaomi Mi 9 SE is easy to carry around and whether it is easy to store.

Ease of grip when carrying by hand

Xiaomi Mi 9 SE is a size that you can grasp securely with one hand and is quite portable. Even if you have the phone together with your wallet, the size makes it so that it will not likely drop.

Whether it is easy to carry when put in pocket

Xiaomi Mi 9 SE Even if you are in your pocket, you will not feel the most discomfort. Also, even if you sit or run in a chair, you can spend comfortably because it does not hit clothes and body.

Whether it is easy to put in and out of your pocket

Xiaomi Mi 9 SE is relatively easy to put in and out. In rare cases it may get caught at the edge of the pocket, but if you get used to it you will not be bothered.

Whether it is easy to put in and out from the bag

Xiaomi Mi 9 SE is a size that can be put in and out smoothly from the bag. It is also convenient because it is compact and enters even if the bag is small.

Is the operability of Xiaomi Mi 9 SE good? Evaluation of ease of handling and usability when operating a smartphone with one hand

Ease of use with one hand is important. The easiest way to handle with one hand is when you are doing something, it is very convenient to exchange mails and messages or to answer the phone while you are doing cooking or personal computer. Here I focused on ease of handling with one hand of Xiaomi Mi 9 SE and ease of inputting characters and evaluated it.

Operability with one hand

Xiaomi Mi 9 SE is a size that you can hold firmly with one handed operation. Since the hand is stable, the possibility of dropping it is reduced, and it is easy to operate. Even if you put it in the case, the original size is small, so ease of holding will not change much.

Weight felt when using with one hand

Xiaomi Mi 9 SE is a bit heavy smart phone, so if you use a smartphone with one hand, you will not feel too tired if used for a short time, but if you use it continuously for a long time you may get tired. I feel even heavier when a case or accessory is attached. It is better to operate with both hands rather than one hand if you attach a solid case.

Whether the top edge button on the screen is easy to push in single handed operation

Even when you use Xiaomi Mi 9 SE with one hand, it is large enough to operate the button at the edge of the screen while holding it firmly. However, when a person with a small hand pushes the edge button, the hand may become unstable.

Application button size

In Xiaomi Mi 9 SE the operation buttons are displayed quite large. Therefore, I feel that the possibility of tapping by mistake is low and it is easy to operate. Even in the game of small operation buttons, it is not much to erroneously tap, so you can play comfortably.

Ease of inputting characters by flick method

Xiaomi Mi 9 SE can input characters even if you have it with one hand. However, when entering the button at the edge of the screen, you need to loosen the gripped hand slightly. Therefore, when flick input at high speed, the hand becomes unstable, but it is no problem as long as careful operation is done.

Ease of inputting characters by keyboard system

Xiaomi Mi 9 SE Because each button of one key is small, even if you operate with both hands it is highly likely to mistyped. Also, high speed input is quite difficult, not very suitable.

Is Xiaomi Mi 9 SE usually easy to use? Review ease of use from the viewpoint of viewability of screen, processing performance, camera performance

Is Xiaomi Mi 9 SE usually easy to use? Review ease of use from the viewpoint of viewability of screen, processing performance, camera performance

For people who use smartphones on a daily basis, it is quite important whether they are high performance or not. If the performance is not sufficient, it may happen, for example, that the application does not move as expected, or the screen becomes hard to see. As a result, you may feel stress. Here we will review whether Xiaomi Mi 9 SE is suitable for phone, message, SNS etc.

Font size and ease of work

Xiaomi Mi 9 SE The screen is much larger than ordinary smartphone, and the letters are displayed larger. Therefore, it is suitable for reading long sentences with examinations and for exchanging long messages.

Whether sentences are easy to read

Since Xiaomi Mi 9 SE can display characters smoothly, characters are displayed cleanly. Even when displaying small letters, the jaggedness of the outline of the character is hardly felt and can be displayed naturally. Therefore it is hard to get tired of eyes, it is a screen suitable for reading long sentences.

The whole screen is beautiful

The screen of Xiaomi Mi 9 SE can display photos and videos quite vividly. Therefore you can enjoy more dynamic videos and games. It can be said that it is a very beautiful screen.

Ease of writing of sentences

Xiaomi Mi 9 SE is a keyboard displayed when hitting a sentence, although the screen hides to some extent, there is enough work space. It is a screen size that is suitable for typing in long sentences, but when editing office sentences, you may find it somewhat unwieldy.

Is there sufficient performance to use phone and e-mail?

Xiaomi Mi 9 SE is the performance that moves smoothly if it is phone, e-mail or chat. Even if it operates at high speed, the operation will not be slow, and it can be used comfortably.

Is there sufficient performance to use the research and SNS?

It is enough performance for SNS and net search such as Facebook and Instagram. There will be little delay in operation and you will not feel stress either.

Is there performance enough to do other operations while using net search or SNS?

It runs smoothly even when launching multiple applications at the same time or frequently switching applications. It can be said that it is too much performance if you only do net search and SNS.

Summary of performance and functions of Xiaomi Mi 9 SE

The size and weight of Xiaomi Mi 9 SE

The size of Xiaomi Mi 9 SE is width 27.8 in (70.5 mm), height 58.1 in (147.5 mm), thickness 3.0 in (7.5 mm). The size of the screen is 5.97 inch, and the weight is 5.5 oz (155 g). Compared with ordinary smartphone it is a size that is quite impactful. It is easy to operate with ease of view because of the large screen, but handling with one hand is difficult. The weight is a bit heavy, but it is easy to handle. If you operate with one hand for a long time you may get tired.

Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Colorviolet,blue,graycherry pink,flame red,sand gold,glacier blue,blackblack,gray
Dimensions (width x height x thickness)27.8 in (70.5 mm) x 58.1 in (147.5 mm) x 3.0 in (7.5 mm)29.7 in (75.4 mm) x 62.5 in (158.7 mm) x 2.9 in (7.3 mm)29.7 in (75.4 mm) x 63.6 in (161.6 mm) x 3.7 in (9.3 mm)
Weight5.5 oz (155 g)5.9 oz (168 g)6.7 oz (190 g)
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The screen of Xiaomi Mi 9 SE

The screen of Xiaomi Mi 9 SE is Super AMOLED and the resolution is 1080 x 2340. It is a very beautiful screen compared with the screen of a general smartphone. Therefore, it is suitable not only for watching videos and images, but also for use with VR.

Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Display size5.97 inch6.0 inch6.0 inch
Display typeSuper AMOLEDLTPS IPS LCDIPS LCD
Screen resolution (width x height)1080 x 23401080 x 21601080 x 2160
Pixel density431ppi402ppi402ppi
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Xiaomi Mi 9 SE Battery

Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Battery capacity3010mAh4000mAh
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Performance of Xiaomi Mi 9 SE

The CPU of Xiaomi Mi 9 SE is from Qualcomm SDM712 Snapdragon 712 to 2.3GHz×8(OctaCore). RAM is 6GB. The CPU is fairly high performance, much higher processing performance than ordinary smartphones. Although it is hardly conceivable that it is insufficient from the viewpoint of CPU performance, it can also be said that the performance is excessive. Moreover, it has a RAM of much larger capacity than a normal smartphone. In terms of RAM it is rare that you feel insufficient capacity. On the other hand, such a large RAM is not necessary for searching the net or using the message.

Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
ChipsetQualcomm SDM712 Snapdragon 712Qualcomm SDM660 Snapdragon 660Qualcomm SDM845 Snapdragon 845
CPU specs2.3GHz×8(OctaCore)2.2GHz+1.8GHz×8(OctaCore)2.8GHz+1.8GHz×8(OctaCore)
RAM size6GB6GB8GB
Storage size128GB64GB64GB
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The camera of Xiaomi Mi 9 SE

The rear camera of the Xiaomi Mi 9 SE has a resolution of 8 MP. The performance of the front camera is 20 MP. The performance of the rear camera is almost the same as a general smartphone. Although we are slightly dissatisfied with the image quality when shooting distant objects, problems with shooting near distances will not be mostly. Also, compared to the average smartphone front camera on the back is fairly high performance. It is perfect for landscape photography etc. because it can take quite a high quality picture. Ideal for shooting distant objects, but may be insufficient for taking nearby objects.

Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Xiaomi Mi 9 SEMi A2 (Mi 6X)Black Shark
Rear-camera resolution8 MP12 MP12 MP
Front-camera resolution20 MP20 MP20 MP
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