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Which should you buy, the Xiaomi Mi 9 (2019) 256GB or vivo X9s Plus 64GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2019-03-19 04:25:58, Updated date: 2020-04-16 16:33:46

Xiaomi Mi 9 (2019) 256GBvivo X9s Plus 64GB
Xiaomi Mi 9 (2019) 256GBvivo X9s Plus 64GB

How did the evaluations between the "Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB" differ when we compared the two? We reviewed each of the most commonly scrutinized features. If you are thinking about which smartphone to get, check out this review immediately!

Xiaomi Mi 9 (2019) 256GBvivo X9s Plus 64GB
Xiaomi Mi 9 (2019) 256GB

vivo X9s Plus 64GB

General rating:
Holding comfortrating-image3.2
63/100
rating-image2.8
56/100
Weightrating-image3.1
61/100
rating-image2.9
57/100
Screen sizerating-image4.5
90/100
rating-image4.4
87/100
Display qualityrating-image4.2
84/100
rating-image4.0
79/100
Battery liferating-image3.5
69/100
rating-image4.0
80/100
Processing powerrating-image4.8
96/100
rating-image3.9
78/100
Memory capacityrating-image4.7
93/100
rating-image3.5
70/100
Storage capacityrating-image4.6
91/100
rating-image3.4
67/100
Rear camera performancerating-image4.9
97/100
rating-image3.4
68/100
Front camera performancerating-image4.1
81/100
rating-image4.1
81/100

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", performance comparison

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB" size comparison. Which to choose?

The size of the body has a big influence on the ease of carrying and one-handed operation. The narrower the width, the easier it is to firmly grasp and hold, but you also have to take into account the device's thickness. Also, if the width and height are smaller, its easier to operate one-handed since its easier to extend your fingers. On the contrary, if the width and height are large, it's difficult to fit in your pocket and is bulky even when put in a bag, and portability is impaired.

The "Xiaomi Mi 9 (2019) 256GB" has a width of 74.7mm, a length of 157.5mm, and a thickness of 7.6mm. Also, the "vivo X9s Plus 64GB" has a width of 78.9mm, a length of 162.6mm, and a thickness of 7.3mm.

Comparing the width and thickness of the body, the "Xiaomi Mi 9 (2019) 256GB" is smaller and more compact compared to the "vivo X9s Plus 64GB". For that reason, the "Xiaomi Mi 9 (2019) 256GB" is easier to grip firmly and carry one-handed than the "vivo X9s Plus 64GB". For that reason, we recommend the "Xiaomi Mi 9 (2019) 256GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Xiaomi Mi 9 (2019) 256GB" and the "vivo X9s Plus 64GB". For that reason their one-handed operability, portability, and bulkiness when carried is about the same. That's why I think it's better to compare them in terms of other aspects of performance and functionality.

Comparing the overall size of the two devices, there isn't a big difference in size between the "Xiaomi Mi 9 (2019) 256GB" and the "vivo X9s Plus 64GB". For that reason the ease of carrying and use with one hand is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreDimensions (width x height x thickness)
Xiaomi Mi 9 (2019) 256GB63/10074.7mm x 157.5mm x 7.6mm
vivo X9s Plus 64GB56/10078.9mm x 162.6mm x 7.3mm

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", which is more comfortable to hold? Weight comparison

The weight of the device affects hand fatigue and the burden placed upon the wrist. The lighter it is, the longer you'll be able to operate the device without tiring. Also, if the burden placed on the wrist is lower, you'll be able to use the device more comfortably. However if the weight isn't right for you, it could place more of a burden on your body, causing you to feel stress.

The weight of the "Xiaomi Mi 9 (2019) 256GB" is about 173.0g, and the weight of the "vivo X9s Plus 64GB" is about 183.2g. Comparing the weight of the two devices, there isn't much difference in weight between the "Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB". That's why the likelihood of fatigue in the fingers and wrists after extended use is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreWeight
Xiaomi Mi 9 (2019) 256GB61/100173.0g
vivo X9s Plus 64GB57/100183.2g

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", whose display is easier to use?

The size of the screen affects usability and screen visibility. A larger screen means larger letters and buttons on apps, so the user is less likely to tap adjacent buttons by mistake. In addition, the user can enjoy a more intense experience when playing games and watching videos.

The "Xiaomi Mi 9 (2019) 256GB" has a 6.39inch display. Also, the "vivo X9s Plus 64GB" has a 5.85inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xiaomi Mi 9 (2019) 256GB" and the "vivo X9s Plus 64GB". As a result, the app buttons on both are equally easy to press. We recommend comparing them based on other aspects of performance and functionality.

ScoreDisplay size
Xiaomi Mi 9 (2019) 256GB90/1006.39inch
vivo X9s Plus 64GB87/1005.85inch

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", which has a clearer display?

Pixel density affects picture quality, and the higher the pixel density, the better the picture quality, which means the user can gain more enjoyment from games and videos. In addition, higher picture quality decreases eyestrain, which means that the user will experience less eye fatigue after prolonged use.

The resolution on the "Xiaomi Mi 9 (2019) 256GB" is 1080 x 2340, and pixel density is 403ppi. Also, the resolution on the "vivo X9s Plus 64GB" is 1080 x 1920, and pixel density is 376ppi. Comparing the pixel count, the "Xiaomi Mi 9 (2019) 256GB" has a higher pixel density than the "vivo X9s Plus 64GB", with a difference of roughly 27ppi. As a result, images and videos on the "Xiaomi Mi 9 (2019) 256GB" have better picture quality than on the "vivo X9s Plus 64GB", and the former is also easier on the eyes. Therefore, we recommend the "Xiaomi Mi 9 (2019) 256GB".

ScorePixel density
Xiaomi Mi 9 (2019) 256GB84/100403ppi
vivo X9s Plus 64GB79/100376ppi

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", a summary of the differences in battery life

Battery performance greatly affects battery life, but greater battery capacity does not necessarily mean greater battery life, since battery efficiency should also be considered. Bigger screens and higher CPU performance will mean the batteries are depleted more quickly.

The "Xiaomi Mi 9 (2019) 256GB" is 3300.0mAh, and the "vivo X9s Plus 64GB" is 4015.0mAh. Regarding battery capacity, the "vivo X9s Plus 64GB" has greater battery capacity than the "Xiaomi Mi 9 (2019) 256GB", with a 715mAh difference. Since the "vivo X9s Plus 64GB" can be used for longer periods without recharging than the "Xiaomi Mi 9 (2019) 256GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "vivo X9s Plus 64GB" over the "Xiaomi Mi 9 (2019) 256GB".

ScoreBattery capacity
Xiaomi Mi 9 (2019) 256GB69/1003300.0mAh
vivo X9s Plus 64GB80/1004015.0mAh

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", which has better CPU?

CPU performance affects the ability to process programs, and the ability to process programs is determined by the product of the number of cores in the CPU and the CPU frequency. The higher this performance is, the more smoothly apps and games will run, and with low performance apps and games become heavy and stress is experienced.

The "Xiaomi Mi 9 (2019) 256GB"'s CPU is a Qualcomm SM8150 Snapdragon 855, with performance measured at 2.84GHz+2.42GHz+1.78GHz×8(8.0-cores). Also, the "vivo X9s Plus 64GB"'s CPU is a Qualcomm MSM8976 Pro Snapdragon 653, with performance measured at 1.95GHz+1.44GHz×8(8.0-cores). Comparing CPU performance, the "Xiaomi Mi 9 (2019) 256GB" has considerably higher specs than the "vivo X9s Plus 64GB". In terms of being able to comfortably play games and run apps smoothly, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "vivo X9s Plus 64GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Xiaomi Mi 9 (2019) 256GB" over the "vivo X9s Plus 64GB".

ScoreCPU specs
Xiaomi Mi 9 (2019) 256GB96/1002.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
vivo X9s Plus 64GB78/1001.95GHz+1.44GHz×8(8.0-cores)

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", what's the difference in memory capacity?

RAM affects multitasking ability and the stability of apps. The larger the amount of RAM is, the more stability there will be even in situations where multiple apps are running simultaneously, allowing for comfortable use. In addition, animation will be more smooth, and apps will be less likely to freeze or crash. Also, without sufficient RAM, there are games you won't be able to run, so it is necessary to be careful.

The weight of the "Xiaomi Mi 9 (2019) 256GB" is 8.0GB and the weight of the "vivo X9s Plus 64GB" is 4.0GB. Comparing the devices in terms of RAM, the "Xiaomi Mi 9 (2019) 256GB" has a significantly larger amount of RAM than the "vivo X9s Plus 64GB", with a difference of about 4GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "vivo X9s Plus 64GB". If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the "Xiaomi Mi 9 (2019) 256GB" over the "vivo X9s Plus 64GB".

ScoreRAM size
Xiaomi Mi 9 (2019) 256GB93/1008.0GB
vivo X9s Plus 64GB70/1004.0GB

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", which has more data storage?

Storage capacity affects the amount of data that is capable of being stored. The larger the storage capacity, the more pictures you can take and the more applications you can install. In addition, if your smartphone accepts SD cards, then you can increase its storage capacity. However, there are performance related drawbacks, including a slower data transfer rate than the primary memory, and you cannot transfer all your data on the card, so be warned.

The data storage capacity of the "Xiaomi Mi 9 (2019) 256GB" is 256.0GB. Also the "vivo X9s Plus 64GB" is 64.0GB. Regarding storage capacity, the "Xiaomi Mi 9 (2019) 256GB" has a much larger data storage capacity compared to the "vivo X9s Plus 64GB", with a roughly 192GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "vivo X9s Plus 64GB". If you are looking for a smartphone that can save more data, we recommend the "Xiaomi Mi 9 (2019) 256GB" over the "vivo X9s Plus 64GB".

ScoreStorage size
Xiaomi Mi 9 (2019) 256GB91/100256.0GB
vivo X9s Plus 64GB67/10064.0GB

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB" rear camera performance comparison. Which has a higher resolution?

One factor that determines the performance of the exterior camera located on the back of the device (the rear/back camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"Xiaomi Mi 9 (2019) 256GB" has a 48.0MP main camera. Also, "vivo X9s Plus 64GB" has a 16.0MP main camera. Comparing rear camera performance, the "Xiaomi Mi 9 (2019) 256GB" has a much higher pixel count compared to the "vivo X9s Plus 64GB", with a roughly 32MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "vivo X9s Plus 64GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Xiaomi Mi 9 (2019) 256GB" over the "vivo X9s Plus 64GB".

ScoreRear-camera resolution
Xiaomi Mi 9 (2019) 256GB97/10048.0MP
vivo X9s Plus 64GB68/10016.0MP

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", whose front camera has a better picture quality?

One factor that determines the performance of the exterior camera located on the front of the device (the in/front camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"Xiaomi Mi 9 (2019) 256GB" has an 20.0MP front camera and "vivo X9s Plus 64GB" has an 20.0MP front camera. Comparing rear camera performance, the "Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB" have approximately the same pixel count. As a result, they can both take pictures and shoot videos of roughly the same quality. Therefore, we recommend comparing the two based on other aspects of performance and functionality.

ScoreFront-camera resolution
Xiaomi Mi 9 (2019) 256GB81/10020.0MP
vivo X9s Plus 64GB81/10020.0MP

"Xiaomi Mi 9 (2019) 256GB" and "vivo X9s Plus 64GB", performance comparison by specification sheet

Xiaomi Mi 9 (2019) 256GBvivo X9s Plus 64GB
ImageXiaomi Mi 9 (2019) 256GBvivo X9s Plus 64GB
MakerXiaomivivo
Release date2019-032017-07
ColorLavender Violet/Ocean Blue/Piano BlackGold/Rose Gold/Black
OSAndroidAndroid
Dimensions (width x height x thickness)74.7mm x 157.5mm x 7.6mm78.9mm x 162.6mm x 7.3mm
Weight173.0g183.2g
Display size6.39inch5.85inch
Display typeSuper AMOLEDAMOLED
Screen resolution (width x height)1080 x 23401080 x 1920
Pixel density403ppi376ppi
Battery capacity3300.0mAh4015.0mAh
ChipsetQualcomm SM8150 Snapdragon 855Qualcomm MSM8976 Pro Snapdragon 653
CPU specs2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)1.95GHz+1.44GHz×8(8.0-cores)
RAM size8.0GB4.0GB
Storage size256.0GB64.0GB
Rear-camera resolution48.0MP16.0MP
Front-camera resolution20.0MP20.0MP

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