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Which should you buy, the Xiaomi Mi 9 (2019) 256GB or Blackview S8 (2017) 64GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2019-03-19 05:01:00, Updated date: 2020-04-16 16:23:46

Xiaomi Mi 9 (2019) 256GBBlackview S8 (2017) 64GB
Xiaomi Mi 9 (2019) 256GBBlackview S8 (2017) 64GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Mi 9 (2019) 256GB" and "Blackview S8 (2017) 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) 256GBBlackview S8 (2017) 64GB
Xiaomi Mi 9 (2019) 256GB

Blackview S8 (2017) 64GB

General rating:
Portabilityrating-image3.2
63/100
rating-image3.4
67/100
Weightrating-image3.1
61/100
rating-image2.7
54/100
Size of screenrating-image4.5
90/100
rating-image4.3
85/100
Screen clarityrating-image4.2
84/100
rating-image2.9
57/100
Battery durationrating-image3.5
69/100
rating-image3.4
67/100
Processing capabilityrating-image4.8
96/100
rating-image3.4
67/100
Memory capacityrating-image4.7
93/100
rating-image3.5
70/100
Storage capacityrating-image4.6
91/100
rating-image3.4
67/100
Rear camera functionrating-image4.9
97/100
rating-image3.1
61/100
Front camera functionrating-image4.1
81/100
rating-image3.6
71/100

Compare Performance and Usability

Size comparison of "Xiaomi Mi 9 (2019) 256GB" and "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB" is 71.9mm tall, 154.0mm wide, and 8.5mm thick.

There is no real difference between the "Xiaomi Mi 9 (2019) 256GB" and "Blackview S8 (2017) 64GB" when comparing their width, thickness, and slimness; they are both around the same in terms of one-handed ease of use and carry. Because of this, it is better to compare them based on other aspects of performance and function.

There is no real difference in length or width between the "Xiaomi Mi 9 (2019) 256GB" and "Blackview S8 (2017) 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.

When comparing their sizes as a whole, there is no real difference between the "Xiaomi Mi 9 (2019) 256GB"and "Blackview S8 (2017) 64GB". Thus they are roughly the same in terms of ease of carry and one-handed use. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDimensions (width x height x thickness)
Xiaomi Mi 9 (2019) 256GB63/10074.7mm x 157.5mm x 7.6mm
Blackview S8 (2017) 64GB67/10071.9mm x 154.0mm x 8.5mm

Which one is easier to hold, "Xiaomi Mi 9 (2019) 256GB" or "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB" clocks in at 190.0g. Comparing the weight of the main unit, the "Xiaomi Mi 9 (2019) 256GB" is a lighter phone than the "Blackview S8 (2017) 64GB", with a difference of approximately 17g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "Xiaomi Mi 9 (2019) 256GB" compared to the "Blackview S8 (2017) 64GB". For this reason, the "Xiaomi Mi 9 (2019) 256GB" is recommended.

ScoreWeight
Xiaomi Mi 9 (2019) 256GB61/100173.0g
Blackview S8 (2017) 64GB54/100190.0g

Which is better in terms of display, "Xiaomi Mi 9 (2019) 256GB" or "Blackview S8 (2017) 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 5.7inch on the "Blackview S8 (2017) 64GB". Comparing the size of the display and screen, the screen size of the "Xiaomi Mi 9 (2019) 256GB" is larger than that of the "Blackview S8 (2017) 64GB", with a difference of approximately 0.68inch. As a result, there will be unintended touches on the "Xiaomi Mi 9 (2019) 256GB" compared to the "Blackview S8 (2017) 64GB" and it is possible to enjoy games and videos on a large screen. For this reason, the "Xiaomi Mi 9 (2019) 256GB" is recommended.

ScoreDisplay size
Xiaomi Mi 9 (2019) 256GB90/1006.39inch
Blackview S8 (2017) 64GB85/1005.7inch

Which one has a better display, "Xiaomi Mi 9 (2019) 256GB" or "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB", on the other hand, has a screen resolution of 720 x 1440 and a pixel density of 282ppi. Comparing the screen definition, the "Xiaomi Mi 9 (2019) 256GB" has a much higher pixel density than the "Blackview S8 (2017) 64GB", with a difference of about 121ppi. The screen on the "Xiaomi Mi 9 (2019) 256GB" is clear and crisp, and puts less strain on the eyes than that of the "Blackview S8 (2017) 64GB". If you want to choose a smartphone that is gentle on your eyes with a display that shows text and images clearly, we recommend that you buy the "Xiaomi Mi 9 (2019) 256GB" rather than the "Blackview S8 (2017) 64GB".

ScorePixel density
Xiaomi Mi 9 (2019) 256GB84/100403ppi
Blackview S8 (2017) 64GB57/100282ppi

How is the battery duration of "Xiaomi Mi 9 (2019) 256GB" different from that of "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB" has a 3180.0mAh battery. The batteries of both the "Xiaomi Mi 9 (2019) 256GB" and "Blackview S8 (2017) 64GB" perform to the same extent. There is also no difference in the battery capacities of the "Xiaomi Mi 9 (2019) 256GB" and the "Blackview S8 (2017) 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
Blackview S8 (2017) 64GB67/1003180.0mAh

Which is better in terms of CPU function, "Xiaomi Mi 9 (2019) 256GB" or "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB" uses an Mediatek MT6750T CPU that performs at a speed of 1.5GHz+1.0GHz×8(8.0-cores). Comparing CPU performance, the "Xiaomi Mi 9 (2019) 256GB" has significantly higher specs than the "Blackview S8 (2017) 64GB". The "Xiaomi Mi 9 (2019) 256GB" proves to be more advanced than the "Blackview S8 (2017) 64GB" in the way that apps run quickly and games play smoothly. If you're looking for a high-spec smartphone that runs quickly and plays games smoothly, we recommend that you buy the "Xiaomi Mi 9 (2019) 256GB" rather than the "Blackview S8 (2017) 64GB".

ScoreCPU specs
Xiaomi Mi 9 (2019) 256GB96/1002.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
Blackview S8 (2017) 64GB67/1001.5GHz+1.0GHz×8(8.0-cores)

How is "Xiaomi Mi 9 (2019) 256GB" different from "Blackview S8 (2017) 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 "Blackview S8 (2017) 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 "Blackview S8 (2017) 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 "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB".

ScoreRAM size
Xiaomi Mi 9 (2019) 256GB93/1008.0GB
Blackview S8 (2017) 64GB70/1004.0GB

Which has a better storage capacity, "Xiaomi Mi 9 (2019) 256GB" or "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB" has 64.0GB. In terms of ROM and data storage, the "Xiaomi Mi 9 (2019) 256GB" has a much larger capacity than the "Blackview S8 (2017) 64GB", with a difference of about 192GB. The "Xiaomi Mi 9 (2019) 256GB" can save more photos and keep more apps installed than the "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB".

ScoreStorage size
Xiaomi Mi 9 (2019) 256GB91/100256.0GB
Blackview S8 (2017) 64GB67/10064.0GB

Compare the rear cameras of "Xiaomi Mi 9 (2019) 256GB" and "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB" has 13.0MP. The rear-facing camera of the "Xiaomi Mi 9 (2019) 256GB" also has a higher pixel count than the "Blackview S8 (2017) 64GB", with a difference of about 35MP. The "Xiaomi Mi 9 (2019) 256GB" is more capable than the "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB".

ScoreRear-camera resolution
Xiaomi Mi 9 (2019) 256GB97/10048.0MP
Blackview S8 (2017) 64GB61/10013.0MP

Which has a front camera with better picture quality, "Xiaomi Mi 9 (2019) 256GB" or "Blackview S8 (2017) 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 "Blackview S8 (2017) 64GB"'s has 13.0MP. Comparing the front-facing camera performance, the number of pixels of the front-facing camera on the "Xiaomi Mi 9 (2019) 256GB" is higher than the "Blackview S8 (2017) 64GB", with a difference of approximately 7MP. For this reason, it is possible to take higher quality selfies and make clear prints with the "Xiaomi Mi 9 (2019) 256GB" than the "Blackview S8 (2017) 64GB". Therefore, the "Xiaomi Mi 9 (2019) 256GB" is recommended.

ScoreFront-camera resolution
Xiaomi Mi 9 (2019) 256GB81/10020.0MP
Blackview S8 (2017) 64GB71/10013.0MP

Compare Performance Specs

Xiaomi Mi 9 (2019) 256GBBlackview S8 (2017) 64GB
ImageXiaomi Mi 9 (2019) 256GBBlackview S8 (2017) 64GB
MakerXiaomiBlackview
Release date2019-032017-10
ColorLavender Violet/Ocean Blue/Piano BlackBlack/Gold/Blue
OSAndroidAndroid
Dimensions (width x height x thickness)74.7mm x 157.5mm x 7.6mm71.9mm x 154.0mm x 8.5mm
Weight173.0g190.0g
Display size6.39inch5.7inch
Display typeSuper AMOLEDIPS LCD
Screen resolution (width x height)1080 x 2340720 x 1440
Pixel density403ppi282ppi
Battery capacity3300.0mAh3180.0mAh
ChipsetQualcomm SM8150 Snapdragon 855Mediatek MT6750T
CPU specs2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)1.5GHz+1.0GHz×8(8.0-cores)
RAM size8.0GB4.0GB
Storage size256.0GB64.0GB
Rear-camera resolution48.0MP13.0MP
Front-camera resolution20.0MP13.0MP

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