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Which is better, Xiaomi Mi 9 Pro 512GB or Xiaomi Mi 9 SE 128GB? We compared their features and specs in detail

Created date: 2019-09-25 05:18:16, Updated date: 2020-04-16 21:32:07

Xiaomi Mi 9 Pro 512GBXiaomi Mi 9 SE 128GB
Xiaomi Mi 9 Pro 512GBXiaomi Mi 9 SE 128GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Mi 9 Pro 512GB" and "Xiaomi Mi 9 SE 128GB", 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 Pro 512GBXiaomi Mi 9 SE 128GB
Xiaomi Mi 9 Pro 512GB

Xiaomi Mi 9 SE 128GB

General rating:
Portabilityrating-image3.1
62/100
rating-image3.6
71/100
Weightrating-image2.6
52/100
rating-image3.4
68/100
Size of screenrating-image4.5
90/100
rating-image4.5
89/100
Screen clarityrating-image4.2
84/100
rating-image4.3
85/100
Battery durationrating-image4.0
80/100
rating-image3.3
66/100
Processing capabilityrating-image4.9
98/100
rating-image4.5
90/100
Memory capacityrating-image5.0
99/100
rating-image4.5
90/100
Storage capacityrating-image4.8
95/100
rating-image4.5
90/100
Rear camera functionrating-image4.9
97/100
rating-image4.9
97/100
Front camera functionrating-image4.1
81/100
rating-image4.1
81/100

Compare Performance and Usability

Size comparison of "Xiaomi Mi 9 Pro 512GB" and "Xiaomi Mi 9 SE 128GB". 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 Pro 512GB" is 74.6mm wide, 157.2mm tall, and 8.5mm thick. The "Xiaomi Mi 9 SE 128GB" is 70.5mm tall, 147.5mm wide, and 7.5mm thick.

Comparing the width and thickness of the main unit, the "Xiaomi Mi 9 SE 128GB" is smaller and more compact compared to the "Xiaomi Mi 9 Pro 512GB". Therefore, it is easier to grip and hold the "Xiaomi Mi 9 SE 128GB" than the "Xiaomi Mi 9 Pro 512GB". For this reason, the "Xiaomi Mi 9 SE 128GB" is recommended.

There is no real difference in length or width between the "Xiaomi Mi 9 Pro 512GB" and "Xiaomi Mi 9 SE 128GB", 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.

Comparing the overall size of the main unit, the "Xiaomi Mi 9 SE 128GB" is smaller than the "Xiaomi Mi 9 Pro 512GB". As a result, it is easier to use the "Xiaomi Mi 9 SE 128GB" with one hand compared to the "Xiaomi Mi 9 Pro 512GB", and its size makes it more comfortable to carry around. For this reason, the "Xiaomi Mi 9 SE 128GB" is recommended.

ScoreDimensions (width x height x thickness)
Xiaomi Mi 9 Pro 512GB62/10074.6mm x 157.2mm x 8.5mm
Xiaomi Mi 9 SE 128GB71/10070.5mm x 147.5mm x 7.5mm

Which one is easier to hold, "Xiaomi Mi 9 Pro 512GB" or "Xiaomi Mi 9 SE 128GB"? 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 Pro 512GB" weighs 196.0g. The "Xiaomi Mi 9 SE 128GB" clocks in at 155.0g. If you compare the weight of the two, the "Xiaomi Mi 9 SE 128GB" is a considerably lighter smartphone than the "Xiaomi Mi 9 Pro 512GB", with a difference of about 41g. Because of this, the "Xiaomi Mi 9 SE 128GB" puts less of a burden on the fingers and wrists than the "Xiaomi Mi 9 Pro 512GB". If you want a smartphone that won't tire your hands out even when using it for a long time, we recommend that you buy the "Xiaomi Mi 9 SE 128GB" rather than the "Xiaomi Mi 9 Pro 512GB".

ScoreWeight
Xiaomi Mi 9 Pro 512GB52/100196.0g
Xiaomi Mi 9 SE 128GB68/100155.0g

Which is better in terms of display, "Xiaomi Mi 9 Pro 512GB" or "Xiaomi Mi 9 SE 128GB"?

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 Pro 512GB" is 6.39inch, and 5.97inch on the "Xiaomi Mi 9 SE 128GB". The screens of the "Xiaomi Mi 9 Pro 512GB" and "Xiaomi Mi 9 SE 128GB" 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 Pro 512GB90/1006.39inch
Xiaomi Mi 9 SE 128GB89/1005.97inch

Which one has a better display, "Xiaomi Mi 9 Pro 512GB" or "Xiaomi Mi 9 SE 128GB"?

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 Pro 512GB" has a 1080 x 2340 resolution and a pixel density of 403ppi. The "Xiaomi Mi 9 SE 128GB", on the other hand, has a screen resolution of 1080 x 2340 and a pixel density of 431ppi. There is not much of a difference in the pixel resolutions of the "Xiaomi Mi 9 Pro 512GB" and "Xiaomi Mi 9 SE 128GB", 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
Xiaomi Mi 9 Pro 512GB84/100403ppi
Xiaomi Mi 9 SE 128GB85/100431ppi

How is the battery duration of "Xiaomi Mi 9 Pro 512GB" different from that of "Xiaomi Mi 9 SE 128GB" ? 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 Pro 512GB" has a battery capacity of 4000.0mAh, while the "Xiaomi Mi 9 SE 128GB" has a 3070.0mAh battery. With regards to battery performance, the "Xiaomi Mi 9 Pro 512GB" has a substantially larger battery capacity than the "Xiaomi Mi 9 SE 128GB", with a difference of 930mAh. The "Xiaomi Mi 9 Pro 512GB" can be used without charging for a longer time than the "Xiaomi Mi 9 SE 128GB", so it can be used when out and about. If you want a smartphone with a longer-lasting battery, we recommend that you buy the "Xiaomi Mi 9 Pro 512GB" rather than the "Xiaomi Mi 9 SE 128GB".

ScoreBattery capacity
Xiaomi Mi 9 Pro 512GB80/1004000.0mAh
Xiaomi Mi 9 SE 128GB66/1003070.0mAh

Which is better in terms of CPU function, "Xiaomi Mi 9 Pro 512GB" or "Xiaomi Mi 9 SE 128GB"?

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 Pro 512GB" is equipped with a Qualcomm SM8150 Snapdragon 855+ processor, and its performance speed is 2.96GHz+2.42GHz+1.8GHz×8(8.0-cores). The "Xiaomi Mi 9 SE 128GB" uses an Qualcomm SDM712 Snapdragon 712 CPU that performs at a speed of 2.3GHz+1.7GHz×8(8.0-cores). Comparing their CPU performance, the "Xiaomi Mi 9 Pro 512GB" has higher specs than the "Xiaomi Mi 9 SE 128GB". For this reason, applications run better on the "Xiaomi Mi 9 Pro 512GB" compared to the "Xiaomi Mi 9 SE 128GB", and games run very smoothly. Therefore, the "Xiaomi Mi 9 Pro 512GB" is recommended.

ScoreCPU specs
Xiaomi Mi 9 Pro 512GB98/1002.96GHz+2.42GHz+1.8GHz×8(8.0-cores)
Xiaomi Mi 9 SE 128GB90/1002.3GHz+1.7GHz×8(8.0-cores)

How is "Xiaomi Mi 9 Pro 512GB" different from "Xiaomi Mi 9 SE 128GB" 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 Pro 512GB" has 12.0GB of memory. The "Xiaomi Mi 9 SE 128GB", on the other hand, has 6.0GB. Comparing the memory performance, the "Xiaomi Mi 9 Pro 512GB" has a larger memory capacity than the "Xiaomi Mi 9 SE 128GB", with a difference of approximately 6GB. For this reason, multitasking is smoother on the "Xiaomi Mi 9 Pro 512GB" than the "Xiaomi Mi 9 SE 128GB", and applications are less likely to crash. Also, it is more enjoyable to play 3D games and VR on the "Xiaomi Mi 9 Pro 512GB". For this reason, the "Xiaomi Mi 9 Pro 512GB" is recommended.

ScoreRAM size
Xiaomi Mi 9 Pro 512GB99/10012.0GB
Xiaomi Mi 9 SE 128GB90/1006.0GB

Which has a better storage capacity, "Xiaomi Mi 9 Pro 512GB" or "Xiaomi Mi 9 SE 128GB"?

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 Pro 512GB" has 512.0GB of storage, while the "Xiaomi Mi 9 SE 128GB" has 128.0GB. There is no real difference between the "Xiaomi Mi 9 Pro 512GB"and "Xiaomi Mi 9 SE 128GB" '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
Xiaomi Mi 9 Pro 512GB95/100512.0GB
Xiaomi Mi 9 SE 128GB90/100128.0GB

Compare the rear cameras of "Xiaomi Mi 9 Pro 512GB" and "Xiaomi Mi 9 SE 128GB". 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 Pro 512GB" has 48.0MP. The "Xiaomi Mi 9 SE 128GB" has 48.0MP. The rear facing cameras of the "Xiaomi Mi 9 Pro 512GB" and "Xiaomi Mi 9 SE 128GB" 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
Xiaomi Mi 9 Pro 512GB97/10048.0MP
Xiaomi Mi 9 SE 128GB97/10048.0MP

Which has a front camera with better picture quality, "Xiaomi Mi 9 Pro 512GB" or "Xiaomi Mi 9 SE 128GB"?

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 Pro 512GB" has a resolution of 20.0MP. The "Xiaomi Mi 9 SE 128GB"'s has 20.0MP. There is little difference between the camera capabilities and the pixel density of the "Xiaomi Mi 9 Pro 512GB" and "Xiaomi Mi 9 SE 128GB"'s front facing cameras, so the quality of photographs and video footage is virtually the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreFront-camera resolution
Xiaomi Mi 9 Pro 512GB81/10020.0MP
Xiaomi Mi 9 SE 128GB81/10020.0MP

Compare Performance Specs

Xiaomi Mi 9 Pro 512GBXiaomi Mi 9 SE 128GB
ImageXiaomi Mi 9 Pro 512GBXiaomi Mi 9 SE 128GB
MakerXiaomiXiaomi
Release date2019-092019-03
ColorDream White/Titanium BlackViolet/Blue/Gray
OSAndroidAndroid
Dimensions (width x height x thickness)74.6mm x 157.2mm x 8.5mm70.5mm x 147.5mm x 7.5mm
Weight196.0g155.0g
Display size6.39inch5.97inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density403ppi431ppi
Battery capacity4000.0mAh3070.0mAh
ChipsetQualcomm SM8150 Snapdragon 855+Qualcomm SDM712 Snapdragon 712
CPU specs2.96GHz+2.42GHz+1.8GHz×8(8.0-cores)2.3GHz+1.7GHz×8(8.0-cores)
RAM size12.0GB6.0GB
Storage size512.0GB128.0GB
Rear-camera resolution48.0MP48.0MP
Front-camera resolution20.0MP20.0MP

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