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Which should you buy, the Xiaomi Mi 9 (2019) 256GB or Galaxy S8 SC-02J docomo 64GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2019-03-19 06:18:02, Updated date: 2020-04-16 17:40:48

Xiaomi Mi 9 (2019) 256GBGalaxy S8 SC-02J docomo 64GB
Xiaomi Mi 9 (2019) 256GBGalaxy S8 SC-02J docomo 64GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Mi 9 (2019) 256GB" and "Galaxy S8 SC-02J docomo 64GB", or unsure about their differences in ease-of-use, and wondering which to buy? We did a deep-dive comparison of the features, specs, and capabilities of these two smartphone, and provided our rating of which one was a better buy.

Xiaomi Mi 9 (2019) 256GBGalaxy S8 SC-02J docomo 64GB
Xiaomi Mi 9 (2019) 256GB

Galaxy S8 SC-02J docomo 64GB

General rating:
Portabilityrating-image3.2
74.7mm x 157.5mm x 7.6mm
rating-image3.7
68.0mm x 149.0mm x 8.2mm
Weightrating-image3.1
173.0g
rating-image3.5
150.0g
Size of screenrating-image4.5
6.39inch
rating-image4.3
5.8inch
Screen clarityrating-image4.2
403ppi
rating-image4.5
567ppi
Battery durationrating-image3.5
3300.0mAh
rating-image3.3
3000.0mAh
Processing capabilityrating-image4.8
2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
rating-image4.4
2.6GHz×8(8.0-cores)
Memory capacityrating-image4.7
8.0GB
rating-image3.5
4.0GB
Storage capacityrating-image4.6
256.0GB
rating-image3.4
64.0GB
Rear camera functionrating-image4.9
48.0MP
rating-image3.0
12.2MP
Front camera functionrating-image4.1
20.0MP
rating-image2.9
8.0MP

Compare Performance and Usability

Size comparison of "Xiaomi Mi 9 (2019) 256GB" and "Galaxy S8 SC-02J docomo 64GB". Which one would you choose?

Your device's size has a huge influence on how easy it is to hold or to operate with one hand. The smaller your device's width, the easier it will be to hold, but you'll also need to take device thickness into account. And when the length and width are both smaller, you'll find that it's much easier for you to operate it one-handed, since your fingers will find it much easier to reach where you want them to. On the other hand, longer lengths and wider widths might lead to devices that are hard to carry in your pocket, bulky even when you keep them in your bag, and all around less portable.

The "Xiaomi Mi 9 (2019) 256GB" is 74.7mm wide, 157.5mm tall, and 7.6mm thick. The "Galaxy S8 SC-02J docomo 64GB" is 68.0mm tall, 149.0mm wide, and 8.2mm thick.

The "Galaxy S8 SC-02J docomo 64GB" is also more compact than the "Xiaomi Mi 9 (2019) 256GB" in terms of the thickness of the devices. The "Galaxy S8 SC-02J docomo 64GB" is easier than the "Xiaomi Mi 9 (2019) 256GB" to hold with one hand, and you are less likely to accidentally drop it. If you're looking for a smartphone that fits nicely in your hand and can be gripped firmly, we recommend buying the "Galaxy S8 SC-02J docomo 64GB" rather than the "Xiaomi Mi 9 (2019) 256GB".

There is no real difference in length or width between the "Xiaomi Mi 9 (2019) 256GB" and "Galaxy S8 SC-02J docomo 64GB", so they are both about the same in terms of usability, ease of carry, and bulkiness. Because of this, it is better to compare them based on other aspects of performance and function.

Comparing the overall size of the main unit, the "Galaxy S8 SC-02J docomo 64GB" is smaller than the "Xiaomi Mi 9 (2019) 256GB". As a result, it is easier to use the "Galaxy S8 SC-02J docomo 64GB" with one hand compared to the "Xiaomi Mi 9 (2019) 256GB", and its size makes it more comfortable to carry around. For this reason, the "Galaxy S8 SC-02J docomo 64GB" is recommended.

ScoreDimensions (width x height x thickness)
Xiaomi Mi 9 (2019) 256GB63/10074.7mm x 157.5mm x 7.6mm
Galaxy S8 SC-02J docomo 64GB74/10068.0mm x 149.0mm x 8.2mm

Which one is easier to hold, "Xiaomi Mi 9 (2019) 256GB" or "Galaxy S8 SC-02J docomo 64GB"? Compare weight

The device weight will effect how quickly you tire from holding it, and how much stress is put on your wrist. The lighter it is, the longer you can hold it without feeling tired. Also, less stress on your wrist will make using it easier and more pleasant. Unless the weight is right for you, it might put too much strain on your body and make using it more stressful.

The "Xiaomi Mi 9 (2019) 256GB" weighs 173.0g. The "Galaxy S8 SC-02J docomo 64GB" clocks in at 150.0g. Comparing the weight of the main unit, the "Galaxy S8 SC-02J docomo 64GB" is a lighter phone than the "Xiaomi Mi 9 (2019) 256GB", with a difference of approximately 23g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "Galaxy S8 SC-02J docomo 64GB" compared to the "Xiaomi Mi 9 (2019) 256GB". For this reason, the "Galaxy S8 SC-02J docomo 64GB" is recommended.

ScoreWeight
Xiaomi Mi 9 (2019) 256GB61/100173.0g
Galaxy S8 SC-02J docomo 64GB70/100150.0g

Which is better in terms of display, "Xiaomi Mi 9 (2019) 256GB" or "Galaxy S8 SC-02J docomo 64GB"?

Screen size influences how well you can control your device, as well as how clear the display is. With a large screen, the text and buttons in apps will display large enough so you'll be less likely to accidentally tap the button next to the one you were aiming for. Plus, you'll be able to enjoy more high-impact visuals for games and movies.

The screen size on the "Xiaomi Mi 9 (2019) 256GB" is 6.39inch, and 5.8inch on the "Galaxy S8 SC-02J docomo 64GB". The screens of the "Xiaomi Mi 9 (2019) 256GB" and "Galaxy S8 SC-02J docomo 64GB" are roughly the same size, and so the ease of pressing app buttons are the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDisplay size
Xiaomi Mi 9 (2019) 256GB90/1006.39inch
Galaxy S8 SC-02J docomo 64GB86/1005.8inch

Which one has a better display, "Xiaomi Mi 9 (2019) 256GB" or "Galaxy S8 SC-02J docomo 64GB"?

Pixel density influences how nice your device's screen looks, with high pixel densities making screens look more beautiful, and letting you get more out of your games and movies. Plus, the nicer you screen looks, the less strain you'll be putting on your eyes, so you'll tend to be able to use your device for longer before your eyes get tired.

The screen on the "Xiaomi Mi 9 (2019) 256GB" has a 1080 x 2340 resolution and a pixel density of 403ppi. The "Galaxy S8 SC-02J docomo 64GB", on the other hand, has a screen resolution of 1440 x 2960 and a pixel density of 567ppi. There is not much of a difference in the pixel resolutions of the "Xiaomi Mi 9 (2019) 256GB" and "Galaxy S8 SC-02J docomo 64GB", so they are about the same in terms of clarity of image and gentleness on the eyes. For this reason it is better to compare them based on other aspects of performance and function.

ScorePixel density
Xiaomi Mi 9 (2019) 256GB84/100403ppi
Galaxy S8 SC-02J docomo 64GB89/100567ppi

How is the battery duration of "Xiaomi Mi 9 (2019) 256GB" different from that of "Galaxy S8 SC-02J docomo 64GB" ? See the differences

Battery performance has a big effect on the battery life of your device. However, a high battery capacity doesn't necessarily mean a long battery life. Rather, the rate of power consumption needs to be taken into consideration as well. The larger the screen and the higher the CPU performance, the higher the rate of power consumption on your battery.

The "Xiaomi Mi 9 (2019) 256GB" has a battery capacity of 3300.0mAh, while the "Galaxy S8 SC-02J docomo 64GB" has a 3000.0mAh battery. The batteries of both the "Xiaomi Mi 9 (2019) 256GB" and "Galaxy S8 SC-02J docomo 64GB" perform to the same extent. There is also no difference in the battery capacities of the "Xiaomi Mi 9 (2019) 256GB" and the "Galaxy S8 SC-02J docomo 64GB". Since their battery life is practically identical, it would be better to compare them based on other aspects of performance and function.

ScoreBattery capacity
Xiaomi Mi 9 (2019) 256GB69/1003300.0mAh
Galaxy S8 SC-02J docomo 64GB65/1003000.0mAh

Which is better in terms of CPU function, "Xiaomi Mi 9 (2019) 256GB" or "Galaxy S8 SC-02J docomo 64GB"?

Your CPU's speed will influence the processing power of the applications you run, and together with the number of cores in the CPU, as well as its clock frequency, will determine the processing power available for apps. The higher these performance factors, the smoother your games and apps will run. Conversely, if these factors are too low, your apps and games will be sluggish and struggle to run.

The "Xiaomi Mi 9 (2019) 256GB" is equipped with a Qualcomm SM8150 Snapdragon 855 processor, and its performance speed is 2.84GHz+2.42GHz+1.78GHz×8(8.0-cores). The "Galaxy S8 SC-02J docomo 64GB" uses an Snapdragon 835 MSM8998 CPU that performs at a speed of 2.6GHz×8(8.0-cores). Comparing their CPU performance, the "Xiaomi Mi 9 (2019) 256GB" has higher specs than the "Galaxy S8 SC-02J docomo 64GB". For this reason, applications run better on the "Xiaomi Mi 9 (2019) 256GB" compared to the "Galaxy S8 SC-02J docomo 64GB", and games run very smoothly. Therefore, the "Xiaomi Mi 9 (2019) 256GB" is recommended.

ScoreCPU specs
Xiaomi Mi 9 (2019) 256GB96/1002.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
Galaxy S8 SC-02J docomo 64GB88/1002.6GHz×8(8.0-cores)

How is "Xiaomi Mi 9 (2019) 256GB" different from "Galaxy S8 SC-02J docomo 64GB" in terms of memory capacity?

Your device's multimedia performance and app stability are both influenced by the amount of memory it has available. The more memory, the more apps you can use simultaneously, while keeping everything stable and smooth. Plus, there'll be less chance of animations lagging or apps crashing. You also need to keep in mind that some games won't run at all if there's not enough memory available.

The "Xiaomi Mi 9 (2019) 256GB" has 8.0GB of memory. The "Galaxy S8 SC-02J docomo 64GB", on the other hand, has 4.0GB. As for memory performance, the "Xiaomi Mi 9 (2019) 256GB" has a larger memory capacity than the "Galaxy S8 SC-02J docomo 64GB", with a difference of about 4GB. The "Xiaomi Mi 9 (2019) 256GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Galaxy S8 SC-02J docomo 64GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "Xiaomi Mi 9 (2019) 256GB" rather than the "Galaxy S8 SC-02J docomo 64GB".

ScoreRAM size
Xiaomi Mi 9 (2019) 256GB93/1008.0GB
Galaxy S8 SC-02J docomo 64GB70/1004.0GB

Which has a better storage capacity, "Xiaomi Mi 9 (2019) 256GB" or "Galaxy S8 SC-02J docomo 64GB"?

Storage capacity determines the amount of data you'll be able to save on your device. The more storage you have, the more photos you can take and the more apps you can install. Plus, if your smartphone is compatible with SD cards, then you can increase the amount of available storage. However, SD cards have a slower writespeed, making them less desirable in terms of performance, and users should be aware that it won't be possible to transfer all kinds of data to the card.

The "Xiaomi Mi 9 (2019) 256GB" has 256.0GB of storage, while the "Galaxy S8 SC-02J docomo 64GB" has 64.0GB. In terms of ROM and data storage, the "Xiaomi Mi 9 (2019) 256GB" has a much larger capacity than the "Galaxy S8 SC-02J docomo 64GB", with a difference of about 192GB. The "Xiaomi Mi 9 (2019) 256GB" can save more photos and keep more apps installed than the "Galaxy S8 SC-02J docomo 64GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Xiaomi Mi 9 (2019) 256GB" rather than the "Galaxy S8 SC-02J docomo 64GB".

ScoreStorage size
Xiaomi Mi 9 (2019) 256GB91/100256.0GB
Galaxy S8 SC-02J docomo 64GB67/10064.0GB

Compare the rear cameras of "Xiaomi Mi 9 (2019) 256GB" and "Galaxy S8 SC-02J docomo 64GB". Which one has better picture quality?

One factor in how well your rear camera (the camera on the back of your device) performs is its megapixel count. With a higher megapixel count, you'll be able to take photos with sharper detail, photos that stay clear and sharp even when printed.

The main camera on the "Xiaomi Mi 9 (2019) 256GB" has 48.0MP. The "Galaxy S8 SC-02J docomo 64GB" has 12.2MP. The rear-facing camera of the "Xiaomi Mi 9 (2019) 256GB" also has a higher pixel count than the "Galaxy S8 SC-02J docomo 64GB", with a difference of about 35.8MP. The "Xiaomi Mi 9 (2019) 256GB" is more capable than the "Galaxy S8 SC-02J docomo 64GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "Xiaomi Mi 9 (2019) 256GB" rather than the "Galaxy S8 SC-02J docomo 64GB".

ScoreRear-camera resolution
Xiaomi Mi 9 (2019) 256GB97/10048.0MP
Galaxy S8 SC-02J docomo 64GB59/10012.2MP

Which has a front camera with better picture quality, "Xiaomi Mi 9 (2019) 256GB" or "Galaxy S8 SC-02J docomo 64GB"?

One indication of how well your forward facing camera (the camera on the same side as your device's screen) performs is how many megapixels it has. More megapixels means you'll be able to take photos with sharper detail, that still look amazing printed out.

The forward-facing camera on the "Xiaomi Mi 9 (2019) 256GB" has a resolution of 20.0MP. The "Galaxy S8 SC-02J docomo 64GB"'s has 8.0MP. The front-facing camera of the "Xiaomi Mi 9 (2019) 256GB" has a significantly higher number of pixels than the "Galaxy S8 SC-02J docomo 64GB", with a difference of about 12MP. Therefore, the "Xiaomi Mi 9 (2019) 256GB" is more suitable for taking photos and videos than the "Galaxy S8 SC-02J docomo 64GB". If you want to take and print high-quality selfies, we recommend buying the "Xiaomi Mi 9 (2019) 256GB" rather than the "Galaxy S8 SC-02J docomo 64GB".

ScoreFront-camera resolution
Xiaomi Mi 9 (2019) 256GB81/10020.0MP
Galaxy S8 SC-02J docomo 64GB58/1008.0MP

Compare Performance Specs

Xiaomi Mi 9 (2019) 256GBGalaxy S8 SC-02J docomo 64GB
ImageXiaomi Mi 9 (2019) 256GBGalaxy S8 SC-02J docomo 64GB
MakerXiaomi
Release date2019-032017-06-08
ColorLavender Violet/Ocean Blue/Piano BlackCoral Blue
OSAndroidAndroid
Dimensions (width x height x thickness)74.7mm x 157.5mm x 7.6mm68.0mm x 149.0mm x 8.2mm
Weight173.0g150.0g
Display size6.39inch5.8inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401440 x 2960
Pixel density403ppi567ppi
Battery capacity3300.0mAh3000.0mAh
ChipsetQualcomm SM8150 Snapdragon 855Snapdragon 835 MSM8998
CPU specs2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)2.6GHz×8(8.0-cores)
RAM size8.0GB4.0GB
Storage size256.0GB64.0GB
Rear-camera resolution48.0MP12.2MP
Front-camera resolution20.0MP8.0MP

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