Which is better, vivo S1 Pro (China) or Xiaomi Mi 9? We compared their features and specs in detail

Created date: 05/07/2019, 19:58:30, Updated date: 04/16/2020, 07:26:28

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

A thorough comparison to see which was better, the vivo S1 Pro (China) or Xiaomi Mi 9. In what areas do they rate differently, and how do their capabilities compare? We did a deep-dive investigation into each feature.

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

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Xiaomi Mi 9

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General rating:

80.9/100

(The - of all smartphones)

81/100

(The 30th of all smartphones)

Portability
62/100
63/100
Weight
56/100
61/100
Size of screen
90/100
90/100
Screen clarity
84/100
84/100
Battery duration
75/100
69/100
Processing capability
91/100
96/100
Memory capacity
93/100
93/100
Storage capacity
91/100
91/100
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. 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 2.9 inches (74.7 mm) wide, 6.2 inches (157.3 mm) tall, and 0.3 inches (8.2 mm) thick. The Xiaomi Mi 9 is 2.9 inches (74.7 mm) tall, 6.2 inches (157.5 mm) wide, and 0.3 inches (7.6 mm) thick.

There is no real difference between the vivo S1 Pro (China) and Xiaomi Mi 9 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, 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. 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)62/1002.9 inches (74.7 mm) x 6.2 inches (157.3 mm) x 0.3 inches (8.2 mm)
Xiaomi Mi 963/1002.9 inches (74.7 mm) x 6.2 inches (157.5 mm) x 0.3 inches (7.6 mm)

Which one is easier to hold, vivo S1 Pro (China) or Xiaomi Mi 9? 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 185 oz (185 g). The Xiaomi Mi 9 clocks in at 173 oz (173 g). The vivo S1 Pro (China) and Xiaomi Mi 9 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)56/100185 oz (185 g)
Xiaomi Mi 961/100173 oz (173 g)

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

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. The screens of the vivo S1 Pro (China) and Xiaomi Mi 9 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 990/1006.39 inch

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

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 403 ppi. The Xiaomi Mi 9, on the other hand, has a screen resolution of 1080 x 2340 and a pixel density of 403 ppi. There is not much of a difference in the pixel resolutions of the vivo S1 Pro (China) and Xiaomi Mi 9, 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)84/100403 ppi
Xiaomi Mi 984/100403 ppi

How is the battery duration of vivo S1 Pro (China) different from that of Xiaomi Mi 9 ? 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 has a 3300 mAh battery. Regarding the battery performance, the vivo S1 Pro (China) has a larger battery capacity than the Xiaomi Mi 9, with a difference of 400 mAh. If you are choosing based on the battery, the vivo S1 Pro (China) is recommended over the Xiaomi Mi 9.

ScoreBattery capacity
vivo S1 Pro (China)75/1003700 mAh
Xiaomi Mi 969/1003300 mAh

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

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(OctaCore). The Xiaomi Mi 9 uses an Qualcomm SM8150 Snapdragon 855 CPU that performs at a speed of 2.84GHz+2.42GHz+1.78GHz×8(OctaCore). There is also no real discrepancy between the CPU performances of the vivo S1 Pro (China) and Xiaomi Mi 9. Because of this, both phones will feel practically identical in terms of smoothness when running apps and ease of game play. This is why it is better to compare them based on other aspects of performance and function.

ScoreCPU specs
vivo S1 Pro (China)91/1002.0GHz+1.7GHz×8(OctaCore)
Xiaomi Mi 996/1002.84GHz+2.42GHz+1.78GHz×8(OctaCore)

How is vivo S1 Pro (China) different from Xiaomi Mi 9 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, on the other hand, has 8GB. Memory performance is roughly the same for both the vivo S1 Pro (China) and Xiaomi Mi 9; as a result, multitasking, playing 3D games, and using VR feels the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRAM size
vivo S1 Pro (China)93/1008GB
Xiaomi Mi 993/1008GB

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

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 has 256GB. There is no real difference between the vivo S1 Pro (China)andXiaomi Mi 9'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 991/100256GB

Compare the rear cameras of vivo S1 Pro (China) and Xiaomi Mi 9. 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 has 48 MP. The rear facing cameras of the vivo S1 Pro (China) and Xiaomi Mi 9 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 997/10048 MP

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

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'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, with a difference of about 12 MP. Therefore, the vivo S1 Pro (China) is more suitable for taking photos and videos than the Xiaomi Mi 9. If you want to take and print high-quality selfies, we recommend buying the vivo S1 Pro (China) rather than the Xiaomi Mi 9.

ScoreFront-camera resolution
vivo S1 Pro (China)97/10032 MP
Xiaomi Mi 981/10020 MP

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

Comparison for body size

ImageProduct nameReviewbody size

vivo S1 Pro (China)

Score

52.5

Xiaomi Mi 9

Score

53.0

Comparison for body weight

ImageProduct nameReviewbody weight

vivo S1 Pro (China)

Score

56.4

Xiaomi Mi 9

Score

61.2

Comparison for screen size

ImageProduct nameReviewscreen size

vivo S1 Pro (China)

Score

90.7

Xiaomi Mi 9

Score

90.7

Comparison for screen resolution

ImageProduct nameReviewscreen resolution

vivo S1 Pro (China)

Score

75.3

Xiaomi Mi 9

Score

75.3

Comparison for GPU performance

ImageProduct nameReviewGPU performance

vivo S1 Pro (China)

Score

63.6

Xiaomi Mi 9

Score

92.5

Comparison for RAM capacity

ImageProduct nameReviewRAM capacity

vivo S1 Pro (China)

Score

93.4

Xiaomi Mi 9

Score

93.4

Comparison for storage size

ImageProduct nameReviewstorage size

vivo S1 Pro (China)

Score

91.5

Xiaomi Mi 9

Score

91.5

Comparison for process integration

ImageProduct nameReviewprocess integration

vivo S1 Pro (China)

Score

76.2

Xiaomi Mi 9

Score

98.0

Comparison for battery

ImageProduct nameReviewbattery

vivo S1 Pro (China)

Score

75.5

Xiaomi Mi 9

Score

69.5

Comparison for downlink data communication speed

ImageProduct nameReviewdownlink data communication speed

vivo S1 Pro (China)

Score

35.3

Xiaomi Mi 9

Score

87.1

Comparison for rear-camera resolution

ImageProduct nameReviewrear-camera resolution

vivo S1 Pro (China)

Score

97.8

Xiaomi Mi 9

Score

97.8

Comparison for number of wide-angle camera pixels on the back

ImageProduct nameReviewnumber of wide-angle camera pixels on the back

vivo S1 Pro (China)

Score

89.0

Xiaomi Mi 9

Score

89.0

Comparison for front-camera resolution

ImageProduct nameReviewfront-camera resolution

vivo S1 Pro (China)

Score

97.8

Xiaomi Mi 9

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):2.9 inches (74.7 mm) x 6.2 inches (157.3 mm) x 0.3 inches (8.2 mm), Weight:185 oz (185 g)

Xiaomi Mi 9

Score

57.1Color:Lavender Violet/Ocean Blue/Piano Black, Dimensions (width x height x thickness):2.9 inches (74.7 mm) x 6.2 inches (157.5 mm) x 0.3 inches (7.6 mm), Weight:173 oz (173 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:403 ppi

Xiaomi Mi 9

Score

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

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:403 ppi

Xiaomi Mi 9

Score

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

Comparison for performance

ImageProduct nameReviewperformance

vivo S1 Pro (China)

Score

91.5OS:Android

Xiaomi Mi 9

Score

96.3OS:Android

Compare Performance Specs

vivo S1 Pro (China)Xiaomi Mi 9
Imagevivo S1 Pro (China)Xiaomi Mi 9
MakervivoXiaomi
Release date5, 20193, 2019
ColorBlue/Red/Midsummer dreamLavender Violet/Ocean Blue/Piano Black
OSAndroidAndroid
Dimensions (width x height x thickness)2.9 inches (74.7 mm) x 6.2 inches (157.3 mm) x 0.3 inches (8.2 mm)2.9 inches (74.7 mm) x 6.2 inches (157.5 mm) x 0.3 inches (7.6 mm)
Weight185 oz (185 g)173 oz (173 g)
Display size6.39 inch6.39 inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density403 ppi403 ppi
Battery capacity3700 mAh3300 mAh
ChipsetQualcomm SDM675 Snapdragon 675Qualcomm SM8150 Snapdragon 855
CPU specs2.0GHz+1.7GHz×8(OctaCore)2.84GHz+2.42GHz+1.78GHz×8(OctaCore)
RAM size8GB8GB
Storage size256GB256GB
Rear-camera resolution48 MP48 MP
Front-camera resolution32 MP20 MP

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