Should you buy Xiaomi Mi 9 SE or Xiaomi Redmi S2 (Redmi Y2)? Compare the differences in functions and specifications/performances thoroughly.

Created date: 03/18/2019, 20:29:00, Updated date: 10/01/2019, 10:28:55

Xiaomi Mi 9 SEXiaomi Redmi S2 (Redmi Y2)
Xiaomi Mi 9 SEXiaomi Redmi S2 (Redmi Y2)

Are you confused about which one to buy since you do not know the differences in functions and performances, as well as the ease of use of Xiaomi Mi 9 SE and Xiaomi Redmi S2 (Redmi Y2)? We have compared the differences in functions and specifications/performances of these two smartphones and evaluated the one that you should buy.

Xiaomi Mi 9 SEXiaomi Redmi S2 (Redmi Y2)
Xiaomi Mi 9 SE

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Xiaomi Redmi S2 (Redmi Y2)

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General rating:

80.4/100

(The 41th of all smartphones)

67.8/100

(The 747th of all smartphones)

Portability
71/100
58/100
Weight
68/100
62/100
Size of screen
89/100
89/100
Screen clarity
85/100
53/100
Battery duration
66/100
66/100
Processing capability
90/100
89/100
Memory capacity
90/100
70/100
Storage capacity
90/100
67/100
Rear camera function
97/100
59/100
Front camera function
81/100
75/100

Compare Performance and Usability

Size comparison of Xiaomi Mi 9 SE and Xiaomi Redmi S2 (Redmi Y2). 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 SE is 27.8 in (70.5 mm) wide, 58.1 in (147.5 mm) tall, and 3.0 in (7.5 mm) thick.The Xiaomi Redmi S2 (Redmi Y2) is 30.4 in (77.3 mm) tall, 63.3 in (160.7 mm) wide, and 3.2 in (8.1 mm) thick.

The Xiaomi Mi 9 SE is also more compact than the Xiaomi Redmi S2 (Redmi Y2) in terms of the thickness of the devices. The Xiaomi Mi 9 SE is easier than the Xiaomi Redmi S2 (Redmi Y2) 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 Xiaomi Mi 9 SE rather than the Xiaomi Redmi S2 (Redmi Y2).

Comparing the width and height of the main unit, the Xiaomi Mi 9 SE is smaller and more compact than the Xiaomi Redmi S2 (Redmi Y2). As a result, the Xiaomi Mi 9 SE is easier to operate with one hand and it is more portable without getting in your way than the Xiaomi Redmi S2 (Redmi Y2). Therefore, the Xiaomi Mi 9 SE is recommended.

Comparing the overall sizes, the Xiaomi Mi 9 SE is significantly smaller than the Xiaomi Redmi S2 (Redmi Y2). The Xiaomi Mi 9 SE is more convenient than the Xiaomi Redmi S2 (Redmi Y2) to use with one hand, and it is less likely to get in your way when not using it. If you prefer a smartphone that is easy to carry around and easy to use with one hand, we recommend that you buy the Xiaomi Mi 9 SE rather than the Xiaomi Redmi S2 (Redmi Y2).

ScoreDimensions (width x height x thickness)
Xiaomi Mi 9 SE71/10027.8 in (70.5 mm) x 58.1 in (147.5 mm) x 3.0 in (7.5 mm)
Xiaomi Redmi S2 (Redmi Y2)58/10030.4 in (77.3 mm) x 63.3 in (160.7 mm) x 3.2 in (8.1 mm)

Which one is easier to hold, Xiaomi Mi 9 SE or Xiaomi Redmi S2 (Redmi Y2)? 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 SE weighs 5.5 oz (155 g). The Xiaomi Redmi S2 (Redmi Y2) clocks in at 6.0 oz (170 g).Comparing the weight of the main unit, the Xiaomi Mi 9 SE is a lighter phone than the Xiaomi Redmi S2 (Redmi Y2), with a difference of approximately 0.5 oz (155 g). 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 SE compared to the Xiaomi Redmi S2 (Redmi Y2). For this reason, the Xiaomi Mi 9 SE is recommended.

ScoreWeight
Xiaomi Mi 9 SE68/1005.5 oz (155 g)
Xiaomi Redmi S2 (Redmi Y2)62/1006.0 oz (170 g)

Which is better in terms of display, Xiaomi Mi 9 SE or Xiaomi Redmi S2 (Redmi Y2)?

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 SE is 5.97 inch, and 5.99 inch on the Xiaomi Redmi S2 (Redmi Y2).The screens of the Xiaomi Mi 9 SE and Xiaomi Redmi S2 (Redmi Y2) 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 SE89/1005.97 inch
Xiaomi Redmi S2 (Redmi Y2)89/1005.99 inch

Which one has a better display, Xiaomi Mi 9 SE or Xiaomi Redmi S2 (Redmi Y2)?

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 SE has a 1080 x 2340 resolution and a pixel density of 431ppi. The Xiaomi Redmi S2 (Redmi Y2), on the other hand, has a screen resolution of 720 x 1440 and a pixel density of 268ppi.Comparing the screen definition, the Xiaomi Mi 9 SE has a much higher pixel density than the Xiaomi Redmi S2 (Redmi Y2), with a difference of about 163ppi. The screen on the Xiaomi Mi 9 SE is clear and crisp, and puts less strain on the eyes than that of the Xiaomi Redmi S2 (Redmi Y2). 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 SE rather than the Xiaomi Redmi S2 (Redmi Y2).

ScorePixel density
Xiaomi Mi 9 SE85/100431ppi
Xiaomi Redmi S2 (Redmi Y2)53/100268ppi

How is the battery duration of Xiaomi Mi 9 SE different from that of Xiaomi Redmi S2 (Redmi Y2) ? 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 SE has a battery capacity of 3070mAh, while the Xiaomi Redmi S2 (Redmi Y2) has a 3080mAh battery.The batteries of both the Xiaomi Mi 9 SE and Xiaomi Redmi S2 (Redmi Y2) perform to the same extent. There is also no difference in the battery capacities of the Xiaomi Mi 9 SE and the Xiaomi Redmi S2 (Redmi Y2). 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 SE66/1003070mAh
Xiaomi Redmi S2 (Redmi Y2)66/1003080mAh

Which is better in terms of CPU function, Xiaomi Mi 9 SE or Xiaomi Redmi S2 (Redmi Y2)?

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 SE is equipped with a Qualcomm SDM712 Snapdragon 712 processor, and its performance speed is 2.3GHz+1.7GHz×8(OctaCore).The Xiaomi Redmi S2 (Redmi Y2) uses an Qualcomm MSM8953 Snapdragon 625 CPU that performs at a speed of 2.0GHz×8(OctaCore).There is also no real discrepancy between the CPU performances of the Xiaomi Mi 9 SE and Xiaomi Redmi S2 (Redmi Y2). 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
Xiaomi Mi 9 SE90/1002.3GHz+1.7GHz×8(OctaCore)
Xiaomi Redmi S2 (Redmi Y2)89/1002.0GHz×8(OctaCore)

How is Xiaomi Mi 9 SE different from Xiaomi Redmi S2 (Redmi Y2) 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 SE has 6GB of memory. The Xiaomi Redmi S2 (Redmi Y2), on the other hand, has 4GB.As for memory performance, the Xiaomi Mi 9 SE has a larger memory capacity than the Xiaomi Redmi S2 (Redmi Y2), with a difference of about 2GB. The Xiaomi Mi 9 SE has better multitasking, less crashing, and runs 3D games and VR video better than the Xiaomi Redmi S2 (Redmi Y2). 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 SE rather than the Xiaomi Redmi S2 (Redmi Y2).

ScoreRAM size
Xiaomi Mi 9 SE90/1006GB
Xiaomi Redmi S2 (Redmi Y2)70/1004GB

Which has a better storage capacity, Xiaomi Mi 9 SE or Xiaomi Redmi S2 (Redmi Y2)?

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 SE has 128GB of storage, while the Xiaomi Redmi S2 (Redmi Y2) has 64GB.In terms of ROM and data storage, the Xiaomi Mi 9 SE has a much larger capacity than the Xiaomi Redmi S2 (Redmi Y2), with a difference of about 64GB. The Xiaomi Mi 9 SE can save more photos and keep more apps installed than the Xiaomi Redmi S2 (Redmi Y2). If you're searching for a smartphone that can store more data, we recommended that you buy the Xiaomi Mi 9 SE rather than the Xiaomi Redmi S2 (Redmi Y2).

ScoreStorage size
Xiaomi Mi 9 SE90/100128GB
Xiaomi Redmi S2 (Redmi Y2)67/10064GB

Compare the rear cameras of Xiaomi Mi 9 SE and Xiaomi Redmi S2 (Redmi Y2). 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 SE has 48 MP. The Xiaomi Redmi S2 (Redmi Y2) has 12 MP.The rear-facing camera of the Xiaomi Mi 9 SE also has a higher pixel count than the Xiaomi Redmi S2 (Redmi Y2), with a difference of about 36 MP. The Xiaomi Mi 9 SE is more capable than the Xiaomi Redmi S2 (Redmi Y2) 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 SE rather than the Xiaomi Redmi S2 (Redmi Y2).

ScoreRear-camera resolution
Xiaomi Mi 9 SE97/10048 MP
Xiaomi Redmi S2 (Redmi Y2)59/10012 MP

Which has a front camera with better picture quality, Xiaomi Mi 9 SE or Xiaomi Redmi S2 (Redmi Y2)?

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 SE has a resolution of 20 MP. The Xiaomi Redmi S2 (Redmi Y2)'s has 16 MP.Comparing the front-facing camera performance, the number of pixels of the front-facing camera on the Xiaomi Mi 9 SE is higher than the Xiaomi Redmi S2 (Redmi Y2), with a difference of approximately 4 MP. For this reason, it is possible to take higher quality selfies and make clear prints with the Xiaomi Mi 9 SE than the Xiaomi Redmi S2 (Redmi Y2). Therefore, the Xiaomi Mi 9 SE is recommended.

ScoreFront-camera resolution
Xiaomi Mi 9 SE81/10020 MP
Xiaomi Redmi S2 (Redmi Y2)75/10016 MP

Detailed comparison of Xiaomi Mi 9 SE and Xiaomi Redmi S2 (Redmi Y2).

Comparison for general rating.

ImageProduct nameReviewgeneral rating

Xiaomi Mi 9 SE

Score

80.4Display size:5.97 inch, Weight:5.5 oz (155 g), Chipset:Qualcomm SDM712 Snapdragon 712, CPU specs:2.3GHz+1.7GHz×8(OctaCore), RAM size:6GB, Storage size:128GB, Battery capacity:3070mAh

Xiaomi Redmi S2 (Redmi Y2)

Score

67.8Display size:5.99 inch, Weight:6.0 oz (170 g), Chipset:Qualcomm MSM8953 Snapdragon 625, CPU specs:2.0GHz×8(OctaCore), RAM size:4GB, Storage size:64GB, Battery capacity:3080mAh

Comparison for body size.

ImageProduct nameReviewbody size

Xiaomi Mi 9 SE

Score

59.1Dimensions (width x height x thickness):27.8 in (70.5 mm) x 58.1 in (147.5 mm) x 3.0 in (7.5 mm)

Xiaomi Redmi S2 (Redmi Y2)

Score

49.5Dimensions (width x height x thickness):30.4 in (77.3 mm) x 63.3 in (160.7 mm) x 3.2 in (8.1 mm)

Comparison for body weight.

ImageProduct nameReviewbody weight

Xiaomi Mi 9 SE

Score

68.4Weight:5.5 oz (155 g)

Xiaomi Redmi S2 (Redmi Y2)

Score

62.4Weight:6.0 oz (170 g)

Comparison for screen size.

ImageProduct nameReviewscreen size

Xiaomi Mi 9 SE

Score

89.5Display size:5.97 inch

Xiaomi Redmi S2 (Redmi Y2)

Score

89.8Display size:5.99 inch

Comparison for RAM capacity.

ImageProduct nameReviewRAM capacity

Xiaomi Mi 9 SE

Score

90.0RAM size:6GB

Xiaomi Redmi S2 (Redmi Y2)

Score

70.0RAM size:4GB

Comparison for storage size.

ImageProduct nameReviewstorage size

Xiaomi Mi 9 SE

Score

90.0Storage size:128GB

Xiaomi Redmi S2 (Redmi Y2)

Score

67.0Storage size:64GB

Comparison for battery.

ImageProduct nameReviewbattery

Xiaomi Mi 9 SE

Score

66.1Battery capacity:3070mAh

Xiaomi Redmi S2 (Redmi Y2)

Score

66.2Battery capacity:3080mAh

Comparison for rear-camera resolution.

ImageProduct nameReviewrear-camera resolution

Xiaomi Mi 9 SE

Score

97.8Rear-camera resolution:48 MP

Xiaomi Redmi S2 (Redmi Y2)

Score

59.3Rear-camera resolution:12 MP

Comparison for front-camera resolution.

ImageProduct nameReviewfront-camera resolution

Xiaomi Mi 9 SE

Score

81.0Front-camera resolution:20 MP

Xiaomi Redmi S2 (Redmi Y2)

Score

75.4Front-camera resolution:16 MP

Comparison for grip.

ImageProduct nameReviewgrip

Xiaomi Mi 9 SE

Score

63.7Color:Violet,blue,gray, Dimensions (width x height x thickness):27.8 in (70.5 mm) x 58.1 in (147.5 mm) x 3.0 in (7.5 mm), Weight:5.5 oz (155 g)

Xiaomi Redmi S2 (Redmi Y2)

Score

55.9Color:Gray,gold,rose gold,mesmerising blue,stunning black, Dimensions (width x height x thickness):30.4 in (77.3 mm) x 63.3 in (160.7 mm) x 3.2 in (8.1 mm), Weight:6.0 oz (170 g)

Comparison for screen cleanliness.

ImageProduct nameReviewscreen cleanliness

Xiaomi Mi 9 SE

Score

85.7Display type:Super AMOLED, Screen resolution (width x height):1080 x 2340, Pixel density:431ppi

Xiaomi Redmi S2 (Redmi Y2)

Score

54.0Display type:IPS LCD, Screen resolution (width x height):720 x 1440, Pixel density:268ppi

Comparison for performance.

ImageProduct nameReviewperformance

Xiaomi Mi 9 SE

Score

90.3OS:Android, Chipset:Qualcomm SDM712 Snapdragon 712, CPU specs:2.3GHz+1.7GHz×8(OctaCore), RAM size:6GB

Xiaomi Redmi S2 (Redmi Y2)

Score

89.6OS:Android, Chipset:Qualcomm MSM8953 Snapdragon 625, CPU specs:2.0GHz×8(OctaCore), RAM size:4GB

Compare Performance Specs

Xiaomi Mi 9 SEXiaomi Redmi S2 (Redmi Y2)
ImageXiaomi Mi 9 SEXiaomi Redmi S2 (Redmi Y2)
MakerXiaomiXiaomi
Release date3, 20195, 2018
Colorviolet,blue,graygray,gold,rose gold,mesmerising blue,stunning black
OSAndroidAndroid
Dimensions (width x height x thickness)27.8 in (70.5 mm) x 58.1 in (147.5 mm) x 3.0 in (7.5 mm)30.4 in (77.3 mm) x 63.3 in (160.7 mm) x 3.2 in (8.1 mm)
Weight5.5 oz (155 g)6.0 oz (170 g)
Display size5.97 inch5.99 inch
Display typeSuper AMOLEDIPS LCD
Screen resolution (width x height)1080 x 2340720 x 1440
Pixel density431ppi268ppi
Battery capacity3070mAh3080mAh
ChipsetQualcomm SDM712 Snapdragon 712Qualcomm MSM8953 Snapdragon 625
CPU specs2.3GHz+1.7GHz×8(OctaCore)2.0GHz×8(OctaCore)
RAM size6GB4GB
Storage size128GB64GB
Rear-camera resolution48 MP12 MP
Front-camera resolution20 MP16 MP

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