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Compare OnePlus 8 (2020) 256GB vs Xiaomi Mi 9 SE 128GB

Created date: 2020-04-13 16:01:20, Updated date: 2020-04-16 21:52:26

OnePlus 8 (2020) 256GBXiaomi Mi 9 SE 128GB
OnePlus 8 (2020) 256GBXiaomi Mi 9 SE 128GB

Are you having trouble comparing the differences in features and performance of the "OnePlus 8 (2020) 256GB" 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.

OnePlus 8 (2020) 256GBXiaomi Mi 9 SE 128GB
OnePlus 8 (2020) 256GB

Xiaomi Mi 9 SE 128GB

General rating:

80.5/100

(The 3017th of all smartphones)

76.3/100

(The 3183th of all smartphones)

Holding comfort
66/100
71/100
Weight
58/100
68/100
Screen size
90/100
89/100
Display quality
84/100
85/100
Battery life
80/100
66/100
Processing power
98/100
90/100
Memory capacity
99/100
90/100
Storage capacity
91/100
90/100
Rear camera performance
97/100
97/100
Front camera performance
75/100
81/100

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", performance comparison

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB" 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 "OnePlus 8 (2020) 256GB" has a width of 72.9mm, a length of 160.2mm, and a thickness of 8.0mm. Also, the "Xiaomi Mi 9 SE 128GB" has a width of 70.5mm, a length of 147.5mm, and a thickness of 7.5mm.

Comparing the width and thickness of the body, the "Xiaomi Mi 9 SE 128GB" is smaller and more compact compared to the "OnePlus 8 (2020) 256GB". For that reason, the "Xiaomi Mi 9 SE 128GB" is easier to grip firmly and carry one-handed than the "OnePlus 8 (2020) 256GB". For that reason, we recommend the "Xiaomi Mi 9 SE 128GB".

Comparing the width and thickness of the body, the "Xiaomi Mi 9 SE 128GB" is a more compact size than the "OnePlus 8 (2020) 256GB". For that reason the "Xiaomi Mi 9 SE 128GB" has higher one-handed operability, and has greater portability, being less likely to get in the way when being carried. For these reasons, we recommend the "Xiaomi Mi 9 SE 128GB".

Comparing the overall size of the two devices, the "Xiaomi Mi 9 SE 128GB" has a large size compared to the "OnePlus 8 (2020) 256GB". For that reason the "Xiaomi Mi 9 SE 128GB" is a size that is easier to use in one hand and comfortably carry than the "OnePlus 8 (2020) 256GB". That's why we recommend the "Xiaomi Mi 9 SE 128GB".

ScoreDimensions (width x height x thickness)
OnePlus 8 (2020) 256GB66/10072.9mm x 160.2mm x 8.0mm
Xiaomi Mi 9 SE 128GB71/10070.5mm x 147.5mm x 7.5mm

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", 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 "OnePlus 8 (2020) 256GB" is about 180.0g, and the weight of the "Xiaomi Mi 9 SE 128GB" is about 155.0g. Comparing the weight of the two devices, the "Xiaomi Mi 9 SE 128GB" is a lighter smart phone than the "OnePlus 8 (2020) 256GB", with a difference of about 25g. For that reason the "Xiaomi Mi 9 SE 128GB" is a smart phone that is less likely than the "OnePlus 8 (2020) 256GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "Xiaomi Mi 9 SE 128GB" over the "OnePlus 8 (2020) 256GB".

ScoreWeight
OnePlus 8 (2020) 256GB58/100180.0g
Xiaomi Mi 9 SE 128GB68/100155.0g

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", 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 "OnePlus 8 (2020) 256GB" has a 6.55inch display. Also, the "Xiaomi Mi 9 SE 128GB" has a 5.97inch display. Comparing the screen size, there is a negligible difference in screen size between the "OnePlus 8 (2020) 256GB" and the "Xiaomi Mi 9 SE 128GB". 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
OnePlus 8 (2020) 256GB90/1006.55inch
Xiaomi Mi 9 SE 128GB89/1005.97inch

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", 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 "OnePlus 8 (2020) 256GB" is 1080 x 2400, and pixel density is 401ppi. Also, the resolution on the "Xiaomi Mi 9 SE 128GB" is 1080 x 2340, and pixel density is 431ppi. Comparing the pixel count, the difference in pixel density between the "OnePlus 8 (2020) 256GB" and the "Xiaomi Mi 9 SE 128GB" is negligible. As a result, they are both evenly matched in terms of picture quality and easiness on the eyes. Therefore, we recommend comparing them based on other aspects of performance and functionality.

ScorePixel density
OnePlus 8 (2020) 256GB84/100401ppi
Xiaomi Mi 9 SE 128GB85/100431ppi

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", 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 "OnePlus 8 (2020) 256GB" is 4300.0mAh, and the "Xiaomi Mi 9 SE 128GB" is 3070.0mAh. Regarding battery capacity, the "OnePlus 8 (2020) 256GB" has greater battery capacity than the "Xiaomi Mi 9 SE 128GB", with a 1230mAh difference. Since the "OnePlus 8 (2020) 256GB" can be used for longer periods without recharging than the "Xiaomi Mi 9 SE 128GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "OnePlus 8 (2020) 256GB" over the "Xiaomi Mi 9 SE 128GB".

ScoreBattery capacity
OnePlus 8 (2020) 256GB80/1004300.0mAh
Xiaomi Mi 9 SE 128GB66/1003070.0mAh

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", 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 "OnePlus 8 (2020) 256GB"'s CPU is a Qualcomm SM8250 Snapdragon 865, with performance measured at 2.84GHz+2.42GHz+1.8GHz×8(8.0-cores). Also, the "Xiaomi Mi 9 SE 128GB"'s CPU is a Qualcomm SDM712 Snapdragon 712, with performance measured at 2.3GHz+1.7GHz×8(8.0-cores). Comparing CPU performance, the "OnePlus 8 (2020) 256GB" has higher specs compared to the "Xiaomi Mi 9 SE 128GB". For that reason, the "OnePlus 8 (2020) 256GB" allows for more comfortable use of apps, and games that run more smoothly. That's why we recommend the "OnePlus 8 (2020) 256GB" over the "Xiaomi Mi 9 SE 128GB".

ScoreCPU specs
OnePlus 8 (2020) 256GB98/1002.84GHz+2.42GHz+1.8GHz×8(8.0-cores)
Xiaomi Mi 9 SE 128GB90/1002.3GHz+1.7GHz×8(8.0-cores)

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", 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 "OnePlus 8 (2020) 256GB" is 12.0GB and the weight of the "Xiaomi Mi 9 SE 128GB" is 6.0GB. Comparing the devices in terms of RAM, the "OnePlus 8 (2020) 256GB" has more RAM than the "Xiaomi Mi 9 SE 128GB", with a difference of about 6GB. For that reason the "OnePlus 8 (2020) 256GB" allows for smoother multitasking than the "Xiaomi Mi 9 SE 128GB", and apps are less likely to crash. In addition the "OnePlus 8 (2020) 256GB" allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the "OnePlus 8 (2020) 256GB".

ScoreRAM size
OnePlus 8 (2020) 256GB99/10012.0GB
Xiaomi Mi 9 SE 128GB90/1006.0GB

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", 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 "OnePlus 8 (2020) 256GB" is 256.0GB. Also the "Xiaomi Mi 9 SE 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB". As a result, you can save roughly the same amount of pictures, and install roughly the same amount of applications, on either phone. You are better off comparing them based on other aspects of performance and functionality.

ScoreStorage size
OnePlus 8 (2020) 256GB91/100256.0GB
Xiaomi Mi 9 SE 128GB90/100128.0GB

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB" 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.

"OnePlus 8 (2020) 256GB" has a 48.0MP main camera. Also, "Xiaomi Mi 9 SE 128GB" has a 48.0MP main camera. Comparing rear camera performance, the "OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB" 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.

ScoreRear-camera resolution
OnePlus 8 (2020) 256GB97/10048.0MP
Xiaomi Mi 9 SE 128GB97/10048.0MP

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", 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.

"OnePlus 8 (2020) 256GB" has an 16.0MP front camera and "Xiaomi Mi 9 SE 128GB" has an 20.0MP front camera. Comparing rear camera performance, the front camera of the "Xiaomi Mi 9 SE 128GB" has a higher pixel count than the "OnePlus 8 (2020) 256GB", with a roughly 4MP difference. As a result, the "Xiaomi Mi 9 SE 128GB" is better able to take high quality selfies than the "OnePlus 8 (2020) 256GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Xiaomi Mi 9 SE 128GB".

ScoreFront-camera resolution
OnePlus 8 (2020) 256GB75/10016.0MP
Xiaomi Mi 9 SE 128GB81/10020.0MP

"OnePlus 8 (2020) 256GB" and "Xiaomi Mi 9 SE 128GB", performance comparison by specification sheet

OnePlus 8 (2020) 256GBXiaomi Mi 9 SE 128GB
ImageOnePlus 8 (2020) 256GBXiaomi Mi 9 SE 128GB
MakerOnePlusXiaomi
Release date2020-04-212019-03
ColorOnyx Black/Glacial Green/Interstellar Glow/Polar SilverViolet/Blue/Gray
OSAndroidAndroid
Dimensions (width x height x thickness)72.9mm x 160.2mm x 8.0mm70.5mm x 147.5mm x 7.5mm
Weight180.0g155.0g
Display size6.55inch5.97inch
Display typeFluid AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density401ppi431ppi
Battery capacity4300.0mAh3070.0mAh
ChipsetQualcomm SM8250 Snapdragon 865Qualcomm SDM712 Snapdragon 712
CPU specs2.84GHz+2.42GHz+1.8GHz×8(8.0-cores)2.3GHz+1.7GHz×8(8.0-cores)
RAM size12.0GB6.0GB
Storage size256.0GB128.0GB
Rear-camera resolution48.0MP48.0MP
Front-camera resolution16.0MP20.0MP

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