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Samsung Galaxy M21 128GB vs Xiaomi Mi 9 Pro 512GB: Specs & Scores

Created date: 2020-03-17 14:17:46, Updated date: 2020-04-16 20:42:39

Samsung Galaxy M21 128GBXiaomi Mi 9 Pro 512GB
Samsung Galaxy M21 128GBXiaomi Mi 9 Pro 512GB

How are the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" different? We have tested and evaluated their differences. We also explain which one may be best for you.

Samsung Galaxy M21 128GBXiaomi Mi 9 Pro 512GB
Samsung Galaxy M21 128GB

Xiaomi Mi 9 Pro 512GB

General rating:

74.9/100

(The 3273th of all smartphones)

78.4/100

(The 3082th of all smartphones)

Grip
52/100
51/100
Screen quality
80/100
80/100
Performance
96/100
99/100
Storage size
90/100
93/100
Battery
100/100
100/100
Rear-camera resolution
100/100
100/100
Front-camera resolution
100/100
100/100

What is the difference between the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB"

The design of Samsung Galaxy M21 128GB

The "Samsung Galaxy M21 128GB" is 159.0mm long, 75.1mm wide, and 8.9mm thick. It weighs 188.0g.

The design of Xiaomi Mi 9 Pro 512GB

The "Xiaomi Mi 9 Pro 512GB" is 157.2mm long, 74.6mm wide, and 8.5mm thick. It weighs 196.0g.

Which is the better design to use?

In comparison, the size difference is 1.8mm in length, 0.5mm in width, and 0.4mm in thickness. Both the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" are equally easy to use with one hand. Hiragana flick input is basically just as easy to use with "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB". Both the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" are basically equally portable and easy to handle.

The difference in weight is 8g. "Samsung Galaxy M21 128GB" weighs less than "Xiaomi Mi 9 Pro 512GB" and is easier to handle.

Samsung Galaxy M21 128GB

Xiaomi Mi 9 Pro 512GB

Ease of holding it in one hand62/10064/100
How much it does not feel heavy to hold in one hand27/10022/100
Ease of carrying around59/10060/100

Compare the display of the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB"

Display of the Samsung Galaxy M21 128GB

The "Samsung Galaxy M21 128GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2340, and the pixel density is 402ppi. The "Samsung Galaxy M21 128GB" has a 6.4inch screen size.

Display of the Xiaomi Mi 9 Pro 512GB

The "Xiaomi Mi 9 Pro 512GB" uses a Super AMOLED liquid crystal. The resolution is 1080 x 2340, and the pixel density is 403ppi. The "Xiaomi Mi 9 Pro 512GB" has a 6.39inch screen size.

Which has a better screen?

This makes a 0.01inch difference in the display sizes. When actually viewing the two phones' onscreen displays, it is obvious that they are roughly the same size. For doing internet research using systems such as SNS, there is not much difference between the two phones. Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose. The gaming screens of these two phones are roughly the same size. Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose.

There is very little difference in the clarity of the displays of "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" when used for research, gaming, or other similar purposes. When using the smartphone as a VR, the screen is generally held much closer to the face than when using the smartphone for other purposes, and so the clarity of the screen becomes a rather important factor. When you compare how easy it is to see the VR on the two phones, it is pretty much the same.

Samsung Galaxy M21 128GB

Xiaomi Mi 9 Pro 512GB

How suited is the screen for usual usage?79/10079/100
How suited is the screen to play games on?83/10083/100

Compare the camera performances of the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB"

Camera performance of Samsung Galaxy M21 128GB

The main camera of the "Samsung Galaxy M21 128GB" has 48.0MP. The front camera has 20.0MP.

Camera performance of Xiaomi Mi 9 Pro 512GB

The main camera of the "Xiaomi Mi 9 Pro 512GB" has 48.0MP. The front camera has 20.0MP.

Which camera performance is better?

There is very little difference in the performance (or pixel count) of "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" when shooting distant objects or Instagrammable landscapes. Also, when using the rear camera to snap close shots of photogenic sweets or meals, there is very little difference between the pixel counts of the two phones. Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose.

When shooting objects or people with the front phone camera from a short distance, such as taking a selfie with a selfie-stick, there is very little difference between the pixel counts of the two phones, even when it comes to the scenery in the background of such photographs. Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose. There is not much difference between the pixel counts of "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" when it comes to taking close-up photographs such as selfies or profile pics with the front phone camera.

Samsung Galaxy M21 128GB

Xiaomi Mi 9 Pro 512GB

Is is suited to taking far away objects with the rear camera?100/100100/100
Is it suited for taking close objects with the built-in camera?100/100100/100

Comparison of the processing capabilities of the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB"

The processing capability of the Samsung Galaxy M21 128GB

Performance is defined by the chipset, and the "Samsung Galaxy M21 128GB" uses the Exynos 9611 SoC. The CPU performance is 2.3GHz+1.7GHz×8(8.0-cores). The memory capacity is 6.0GB.

The processing capability of the Xiaomi Mi 9 Pro 512GB

Performance is defined by the chipset, and the "Xiaomi Mi 9 Pro 512GB" uses the Qualcomm SM8150 Snapdragon 855+ SoC. The CPU performance is 2.96GHz+2.42GHz+1.8GHz×8(8.0-cores). The memory capacity is 12.0GB.

Which has the better processing capability?

The CPU specs are the same for both phones. This is a 6GB difference in memory capacity. The "Xiaomi Mi 9 Pro 512GB" has more memory storage, making the "Xiaomi Mi 9 Pro 512GB" work better for multitasking or running 3D games.

For phone calls, emails, messaging, using SNS or most fundamental features, the differences between the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" are not large at all. For people who mainly use their phones to look things up online, watch videos and play games occasionally I can recommend the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" equally. Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose.

There is basically no difference between "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" when playing 2D games or basic 3D games. For playing more memory-intensive 3D games, it is better to go with "Xiaomi Mi 9 Pro 512GB" as it has better performance. Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose.

Samsung Galaxy M21 128GB

Xiaomi Mi 9 Pro 512GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet99/100100/100
Review on the CPU speed and the memory capacity while playing 3D games94/10099/100

Comparison of the battery life of the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB"

Battery performance of Samsung Galaxy M21 128GB

The "Samsung Galaxy M21 128GB" has a battery capacity of 6000.0mAh.

Battery performance of Xiaomi Mi 9 Pro 512GB

The "Xiaomi Mi 9 Pro 512GB" has a battery capacity of 4000.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 2000mAh, but it is not enough to only compare the capacity. With a high-performance CPU, the battery drains faster, and a larger screen also uses more battery.

The "Samsung Galaxy M21 128GB" is also a great choice for those who only use their phone for occasional phone calls or for checking the time. For looking things up online, checking SNS, playing games occasionally or for most frequent use, it doesn't feel like there is much difference between the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB". Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose.

If you're using it frequently, for example playing games for a long time or using it to watch movies, you may feel no difference between the two devices. Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose.

Samsung Galaxy M21 128GB

Xiaomi Mi 9 Pro 512GB

Review on the battery life of a phone mainly using Social Networks and the Internet100/100100/100
Review on the battery life of a phone mainly using mainly games and videos100/100100/100

Compare the storage capacity of the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB"

The storage capacity of the Samsung Galaxy M21 128GB

The "Samsung Galaxy M21 128GB" has 128.0GB of internal memory. It is also compatible with SD cards, so when there is insufficient storage space, then a SD card can be used to add more storage.

The storage capacity of the Xiaomi Mi 9 Pro 512GB

The "Xiaomi Mi 9 Pro 512GB" has 512.0GB of internal memory.

Which has the easier storage to use?

The difference in internal memory is about 384GB. If you are only downloading a few games and apps (such as SNS) to use on your phone, it really doesn't matter if you choose "Samsung Galaxy M21 128GB" or "Xiaomi Mi 9 Pro 512GB". If you are hoping to install many different games on their phone, the amount of storage is the same no matter which of these two devices you choose to buy. Both the "Samsung Galaxy M21 128GB" and the "Xiaomi Mi 9 Pro 512GB" can be easily used for this kind of purpose.

Because the speed of loading from or saving to the SD card is slow, it is suited for saving pictures or videos.

Samsung Galaxy M21 128GB

Xiaomi Mi 9 Pro 512GB

Review on the storage capacity when playing many games90/10093/100
Review on when you store many pictures and videos - -

Which to buy, the "Samsung Galaxy M21 128GB" or "Xiaomi Mi 9 Pro 512GB"

At the end of the day which is better, the "Samsung Galaxy M21 128GB" or "Xiaomi Mi 9 Pro 512GB"?

When it comes to being easy to handle and carry around, there is hardly any difference between "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB". If choosing based on screen size, there is hardly any difference between "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB". There isn't much difference between "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" in terms of performance or specifications. Because both have advantages and disadvantages, I think that it is best to stick to the most important points that you want to emphasize.

Samsung Galaxy M21 128GB

Xiaomi Mi 9 Pro 512GB

Handling52/10051/100
Display80/10080/100
CPU specs96/10099/100
General rating85/10085/100

Is it recommended to buy the Samsung Galaxy M21 128GB, compared with other smartphones?

Compared to other smartphones, the "Samsung Galaxy M21 128GB" is averagely easy to hold. Although it can be a little difficult, it is the right size to be able to operate with one hand. The screen size is larger than that of standard smartphones. It is suited for typing long texts and so can be used to read or edit office texts. In addition, its processing capability is quite excellent compared to the average smart phone. It is suitable for almost all uses, including games and VR. It may be a bit extravagant for normal use. Looking at the overall specifications, the "Samsung Galaxy M21 128GB" is a high-end smart phone.

Is it recommended to buy the Xiaomi Mi 9 Pro 512GB, compared with other smartphones?

Compared to other smartphones, the "Xiaomi Mi 9 Pro 512GB" is averagely easy to hold. Although it can be a little difficult, it is the right size to be able to operate with one hand. The screen size is larger than that of standard smartphones. It is suited for typing long texts and so can be used to read or edit office texts. In addition, its processing capability is quite excellent compared to the average smart phone. It is suitable for almost all uses, including games and VR. It may be a bit extravagant for normal use. Looking at the overall specifications, the "Xiaomi Mi 9 Pro 512GB" is a high-end smart phone.

What are the spec differences between the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB" ?

A summary of the technical specifications of the "Samsung Galaxy M21 128GB" and "Xiaomi Mi 9 Pro 512GB". Functions and performance variations on the same model will be highlighted in red.

Samsung Galaxy M21 128GBXiaomi Mi 9 Pro 512GB
Samsung Galaxy M21 128GBXiaomi Mi 9 Pro 512GB
ColorMidnight Blue/Raven BlackDream White/Titanium Black
OSAndroidAndroid
Dimensions (width x height x thickness)75.1mm x 159.0mm x 8.9mm74.6mm x 157.2mm x 8.5mm
Weight188.0g196.0g
Display size6.4inch6.39inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density402ppi403ppi
Battery capacity6000.0mAh4000.0mAh
ChipsetExynos 9611Qualcomm SM8150 Snapdragon 855+
CPU specs2.3GHz+1.7GHz×8(8.0-cores)2.96GHz+2.42GHz+1.8GHz×8(8.0-cores)
RAM size6.0GB12.0GB
Storage size128.0GB512.0GB
Rear-camera resolution48.0MP48.0MP
Front-camera resolution20.0MP20.0MP

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