We compared the features and capabilities of the vivo S1 Pro (China) and the Xiaomi Mi 9 Pro. We reviewed them thoroughly to see which is best.

Created date: 09/24/2019, 21:35:55, Updated date: 04/04/2020, 12:16:13

vivo S1 Pro (China)Xiaomi Mi 9 Pro
vivo S1 Pro (China)Xiaomi Mi 9 Pro

How did the evaluations between the vivo S1 Pro (China) and Xiaomi Mi 9 Pro 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!

vivo S1 Pro (China)Xiaomi Mi 9 Pro
vivo S1 Pro (China)

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Xiaomi Mi 9 Pro

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General rating:

80.9/100

(The - of all smartphones)

72.2/100

(The 122th of all smartphones)

Portability
62/100
62/100
Weight
56/100
52/100
Size of screen
90/100
90/100
Screen clarity
84/100
84/100
Battery duration
75/100
80/100
Processing capability
91/100
98/100
Memory capacity
93/100
99/100
Storage capacity
91/100
95/100
Rear camera function
97/100
97/100
Front camera function
97/100
81/100

Compare Performance and Usability

Size comparison of vivo S1 Pro (China) and Xiaomi Mi 9 Pro. 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 vivo S1 Pro (China) is 29.4 in (74.7 mm) wide, 61.9 in (157.3 mm) tall, and 3.2 in (8.2 mm) thick.The Xiaomi Mi 9 Pro is 29.4 in (74.6 mm) tall, 61.9 in (157.2 mm) wide, and 3.3 in (8.5 mm) thick.

There is no real difference between the vivo S1 Pro (China) and Xiaomi Mi 9 Pro 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 vivo S1 Pro (China) and Xiaomi Mi 9 Pro, 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 vivo S1 Pro (China)and Xiaomi Mi 9 Pro. 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)
vivo S1 Pro (China)62/10029.4 in (74.7 mm) x 61.9 in (157.3 mm) x 3.2 in (8.2 mm)
Xiaomi Mi 9 Pro62/10029.4 in (74.6 mm) x 61.9 in (157.2 mm) x 3.3 in (8.5 mm)

Which one is easier to hold, vivo S1 Pro (China) or Xiaomi Mi 9 Pro? 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 vivo S1 Pro (China) weighs 6.5 oz (185 g). The Xiaomi Mi 9 Pro clocks in at 6.9 oz (196 g).The vivo S1 Pro (China) and Xiaomi Mi 9 Pro have around the same weight, so prolonged use will tire out fingers nd wrists to around the same degree. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreWeight
vivo S1 Pro (China)56/1006.5 oz (185 g)
Xiaomi Mi 9 Pro52/1006.9 oz (196 g)

Which is better in terms of display, vivo S1 Pro (China) or Xiaomi Mi 9 Pro?

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 vivo S1 Pro (China) is 6.39 inch, and 6.39 inch on the Xiaomi Mi 9 Pro.The screens of the vivo S1 Pro (China) and Xiaomi Mi 9 Pro 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
vivo S1 Pro (China)90/1006.39 inch
Xiaomi Mi 9 Pro90/1006.39 inch

Which one has a better display, vivo S1 Pro (China) or Xiaomi Mi 9 Pro?

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 vivo S1 Pro (China) has a 1080 x 2340 resolution and a pixel density of 403ppi. The Xiaomi Mi 9 Pro, on the other hand, has a screen resolution of 1080 x 2340 and a pixel density of 403ppi.There is not much of a difference in the pixel resolutions of the vivo S1 Pro (China) and Xiaomi Mi 9 Pro, 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
vivo S1 Pro (China)84/100403ppi
Xiaomi Mi 9 Pro84/100403ppi

How is the battery duration of vivo S1 Pro (China) different from that of Xiaomi Mi 9 Pro ? 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 vivo S1 Pro (China) has a battery capacity of 3700 mAh, while the Xiaomi Mi 9 Pro has a 4000 mAh battery.The batteries of both the vivo S1 Pro (China) and Xiaomi Mi 9 Pro perform to the same extent. There is also no difference in the battery capacities of the vivo S1 Pro (China) and the Xiaomi Mi 9 Pro. Since their battery life is practically identical, it would be better to compare them based on other aspects of performance and function.

ScoreBattery capacity
vivo S1 Pro (China)75/1003700 mAh
Xiaomi Mi 9 Pro80/1004000 mAh

Which is better in terms of CPU function, vivo S1 Pro (China) or Xiaomi Mi 9 Pro?

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 vivo S1 Pro (China) is equipped with a Qualcomm SDM675 Snapdragon 675 processor, and its performance speed is 2.0GHz+1.7GHz×8.0(OctaCore).The Xiaomi Mi 9 Pro uses an Qualcomm SM8150 Snapdragon 855+ CPU that performs at a speed of 2.96GHz+2.42GHz+1.8GHz×8.0(OctaCore).Comparing their CPU performance, the Xiaomi Mi 9 Pro has higher specs than the vivo S1 Pro (China). For this reason, applications run better on the Xiaomi Mi 9 Pro compared to the vivo S1 Pro (China), and games run very smoothly. Therefore, the Xiaomi Mi 9 Pro is recommended.

ScoreCPU specs
vivo S1 Pro (China)91/1002.0GHz+1.7GHz×8.0(OctaCore)
Xiaomi Mi 9 Pro98/1002.96GHz+2.42GHz+1.8GHz×8.0(OctaCore)

How is vivo S1 Pro (China) different from Xiaomi Mi 9 Pro 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 vivo S1 Pro (China) has 8GB of memory. The Xiaomi Mi 9 Pro, on the other hand, has 12GB.Comparing the memory performance, the Xiaomi Mi 9 Pro has a larger memory capacity than the vivo S1 Pro (China), with a difference of approximately 4.0GB. For this reason, multitasking is smoother on the Xiaomi Mi 9 Pro than the vivo S1 Pro (China), and applications are less likely to crash. Also, it is more enjoyable to play 3D games and VR on the Xiaomi Mi 9 Pro. For this reason, the Xiaomi Mi 9 Pro is recommended.

ScoreRAM size
vivo S1 Pro (China)93/1008GB
Xiaomi Mi 9 Pro99/10012GB

Which has a better storage capacity, vivo S1 Pro (China) or Xiaomi Mi 9 Pro?

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 vivo S1 Pro (China) has 256GB of storage, while the Xiaomi Mi 9 Pro has 512GB.There is no real difference between the vivo S1 Pro (China)andXiaomi Mi 9 Pro's ROMs and storage capacities, so both can store roughly the same amount of photographs and apps. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreStorage size
vivo S1 Pro (China)91/100256GB
Xiaomi Mi 9 Pro95/100512GB

Compare the rear cameras of vivo S1 Pro (China) and Xiaomi Mi 9 Pro. 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 vivo S1 Pro (China) has 48 MP. The Xiaomi Mi 9 Pro has 48 MP.The rear facing cameras of the vivo S1 Pro (China) and Xiaomi Mi 9 Pro have roughly the same performance, so the quality of the photograph and video footage they can capture is around the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRear-camera resolution
vivo S1 Pro (China)97/10048 MP
Xiaomi Mi 9 Pro97/10048 MP

Which has a front camera with better picture quality, vivo S1 Pro (China) or Xiaomi Mi 9 Pro?

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 vivo S1 Pro (China) has a resolution of 32 MP. The Xiaomi Mi 9 Pro's has 20 MP.The front-facing camera of the vivo S1 Pro (China) has a significantly higher number of pixels than the Xiaomi Mi 9 Pro, with a difference of about 12.0 MP. Therefore, the vivo S1 Pro (China) is more suitable for taking photos and videos than the Xiaomi Mi 9 Pro. If you want to take and print high-quality selfies, we recommend buying the vivo S1 Pro (China) rather than the Xiaomi Mi 9 Pro.

ScoreFront-camera resolution
vivo S1 Pro (China)97/10032 MP
Xiaomi Mi 9 Pro81/10020 MP

Detailed comparison of vivo S1 Pro (China) and Xiaomi Mi 9 Pro.

Comparison for general rating.

ImageProduct nameReviewgeneral rating

vivo S1 Pro (China)

Score

71.9

Xiaomi Mi 9 Pro

Score

72.2

Comparison for body size.

ImageProduct nameReviewbody size

vivo S1 Pro (China)

Score

52.5

Xiaomi Mi 9 Pro

Score

52.3

Comparison for body weight.

ImageProduct nameReviewbody weight

vivo S1 Pro (China)

Score

56.4

Xiaomi Mi 9 Pro

Score

52.0

Comparison for screen size.

ImageProduct nameReviewscreen size

vivo S1 Pro (China)

Score

90.7

Xiaomi Mi 9 Pro

Score

90.7

Comparison for RAM capacity.

ImageProduct nameReviewRAM capacity

vivo S1 Pro (China)

Score

93.4

Xiaomi Mi 9 Pro

Score

99.0

Comparison for storage size.

ImageProduct nameReviewstorage size

vivo S1 Pro (China)

Score

91.5

Xiaomi Mi 9 Pro

Score

95.0

Comparison for battery.

ImageProduct nameReviewbattery

vivo S1 Pro (China)

Score

75.5

Xiaomi Mi 9 Pro

Score

80.0

Comparison for rear-camera resolution.

ImageProduct nameReviewrear-camera resolution

vivo S1 Pro (China)

Score

97.8

Xiaomi Mi 9 Pro

Score

97.8

Comparison for front-camera resolution.

ImageProduct nameReviewfront-camera resolution

vivo S1 Pro (China)

Score

97.8

Xiaomi Mi 9 Pro

Score

81.0

Comparison for grip.

ImageProduct nameReviewgrip

vivo S1 Pro (China)

Score

54.5Color:Blue/Red/Midsummer dream, Dimensions (width x height x thickness):29.4 in (74.7 mm) x 61.9 in (157.3 mm) x 3.2 in (8.2 mm), Weight:6.5 oz (185 g)

Xiaomi Mi 9 Pro

Score

52.2Color:Dream White/Titanium Black, Dimensions (width x height x thickness):29.4 in (74.6 mm) x 61.9 in (157.2 mm) x 3.3 in (8.5 mm), Weight:6.9 oz (196 g)

Comparison for screen cleanliness.

ImageProduct nameReviewscreen cleanliness

vivo S1 Pro (China)

Score

84.9Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:403ppi

Xiaomi Mi 9 Pro

Score

84.9Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:403ppi

Comparison for screen quality.

ImageProduct nameReviewscreen quality

vivo S1 Pro (China)

Score

86.0Display size:6.39 inch, Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:403ppi

Xiaomi Mi 9 Pro

Score

86.0Display size:6.39 inch, Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:403ppi

Comparison for performance.

ImageProduct nameReviewperformance

vivo S1 Pro (China)

Score

91.5OS:Android

Xiaomi Mi 9 Pro

Score

98.9OS:Android

Compare Performance Specs

vivo S1 Pro (China)Xiaomi Mi 9 Pro
Imagevivo S1 Pro (China)Xiaomi Mi 9 Pro
MakervivoXiaomi
Release date5, 20199, 2019
ColorBlue/Red/Midsummer dreamDream White/Titanium Black
OSAndroidAndroid
Dimensions (width x height x thickness)29.4 in (74.7 mm) x 61.9 in (157.3 mm) x 3.2 in (8.2 mm)29.4 in (74.6 mm) x 61.9 in (157.2 mm) x 3.3 in (8.5 mm)
Weight6.5 oz (185 g)6.9 oz (196 g)
Display size6.39 inch6.39 inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density403ppi403ppi
Battery capacity3700 mAh4000 mAh
ChipsetQualcomm SDM675 Snapdragon 675Qualcomm SM8150 Snapdragon 855+
CPU specs2.0GHz+1.7GHz×8.0(OctaCore)2.96GHz+2.42GHz+1.8GHz×8.0(OctaCore)
RAM size8GB12GB
Storage size256GB512GB
Rear-camera resolution48 MP48 MP
Front-camera resolution32 MP20 MP

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