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Which should you buy, the Xiaomi Redmi Note 8 128GB or Xperia XZ2 Premium SO-04K docomo 64GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2019-08-30 04:28:34, Updated date: 2020-04-16 14:55:54

Xiaomi Redmi Note 8 128GBXperia XZ2 Premium SO-04K docomo 64GB
Xiaomi Redmi Note 8 128GBXperia XZ2 Premium SO-04K docomo 64GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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 Redmi Note 8 128GBXperia XZ2 Premium SO-04K docomo 64GB
Xiaomi Redmi Note 8 128GB

Xperia XZ2 Premium SO-04K docomo 64GB

General rating:

75.6/100

(The 3234th of all smartphones)

73/100

(The 28th of all smartphones)

Holding comfort
61/100
49/100
Weight
54/100
44/100
Screen size
90/100
86/100
Display quality
85/100
94/100
Battery life
80/100
71/100
Processing power
89/100
92/100
Memory capacity
90/100
90/100
Storage capacity
90/100
67/100
Rear camera performance
97/100
76/100
Front camera performance
71/100
71/100

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", performance comparison

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB" 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 "Xiaomi Redmi Note 8 128GB" has a width of 75.3mm, a length of 158.3mm, and a thickness of 8.4mm. Also, the "Xperia XZ2 Premium SO-04K docomo 64GB" has a width of 80.0mm, a length of 158.0mm, and a thickness of 11.9mm.

Comparing the width and thickness of the body, the "Xiaomi Redmi Note 8 128GB" is considerably smaller and more compact than the "Xperia XZ2 Premium SO-04K docomo 64GB". The "Xiaomi Redmi Note 8 128GB" excels over the "Xperia XZ2 Premium SO-04K docomo 64GB" in terms of being easier to hold with one hand and is therefore less likely to be accidentally dropped. If you're looking for a smart phone with superior grip and hand fit, we recommend purchasing the "Xiaomi Redmi Note 8 128GB" over the "Xperia XZ2 Premium SO-04K docomo 64GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Xiaomi Redmi Note 8 128GB" and the "Xperia XZ2 Premium SO-04K docomo 64GB". For that reason their one-handed operability, portability, and bulkiness when carried is about the same. That's why I think it's better to compare them in terms of other aspects of performance and functionality.

Comparing the overall size of the two devices, the "Xiaomi Redmi Note 8 128GB" has a large size compared to the "Xperia XZ2 Premium SO-04K docomo 64GB". For that reason the "Xiaomi Redmi Note 8 128GB" is a size that is easier to use in one hand and comfortably carry than the "Xperia XZ2 Premium SO-04K docomo 64GB". That's why we recommend the "Xiaomi Redmi Note 8 128GB".

ScoreDimensions (width x height x thickness)
Xiaomi Redmi Note 8 128GB61/10075.3mm x 158.3mm x 8.4mm
Xperia XZ2 Premium SO-04K docomo 64GB49/10080.0mm x 158.0mm x 11.9mm

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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 "Xiaomi Redmi Note 8 128GB" is about 190.0g, and the weight of the "Xperia XZ2 Premium SO-04K docomo 64GB" is about 236.0g. Comparing the weight of the two devices, the "Xiaomi Redmi Note 8 128GB" is a lighter smart phone than the "Xperia XZ2 Premium SO-04K docomo 64GB", with a difference of about 46g. For that reason the "Xiaomi Redmi Note 8 128GB" is a smart phone that is less likely than the "Xperia XZ2 Premium SO-04K docomo 64GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "Xiaomi Redmi Note 8 128GB" over the "Xperia XZ2 Premium SO-04K docomo 64GB".

ScoreWeight
Xiaomi Redmi Note 8 128GB54/100190.0g
Xperia XZ2 Premium SO-04K docomo 64GB44/100236.0g

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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 "Xiaomi Redmi Note 8 128GB" has a 6.3inch display. Also, the "Xperia XZ2 Premium SO-04K docomo 64GB" has a 5.8inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xiaomi Redmi Note 8 128GB" and the "Xperia XZ2 Premium SO-04K docomo 64GB". 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
Xiaomi Redmi Note 8 128GB90/1006.3inch
Xperia XZ2 Premium SO-04K docomo 64GB86/1005.8inch

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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 "Xiaomi Redmi Note 8 128GB" is 1080 x 2340, and pixel density is 409ppi. Also, the resolution on the "Xperia XZ2 Premium SO-04K docomo 64GB" is 2160 x 3840, and pixel density is 759ppi. Comparing the pixel count, the "Xperia XZ2 Premium SO-04K docomo 64GB" has a higher pixel density than the "Xiaomi Redmi Note 8 128GB", with a difference of roughly 350ppi. As a result, images and videos on the "Xperia XZ2 Premium SO-04K docomo 64GB" have better picture quality than on the "Xiaomi Redmi Note 8 128GB", and the former is also easier on the eyes. Therefore, we recommend the "Xperia XZ2 Premium SO-04K docomo 64GB".

ScorePixel density
Xiaomi Redmi Note 8 128GB85/100409ppi
Xperia XZ2 Premium SO-04K docomo 64GB94/100759ppi

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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 "Xiaomi Redmi Note 8 128GB" is 4000.0mAh, and the "Xperia XZ2 Premium SO-04K docomo 64GB" is 3400.0mAh. Regarding battery capacity, the "Xiaomi Redmi Note 8 128GB" has greater battery capacity than the "Xperia XZ2 Premium SO-04K docomo 64GB", with a 600mAh difference. If battery is a priority, then the "Xiaomi Redmi Note 8 128GB" is recommended over the "Xperia XZ2 Premium SO-04K docomo 64GB".

ScoreBattery capacity
Xiaomi Redmi Note 8 128GB80/1004000.0mAh
Xperia XZ2 Premium SO-04K docomo 64GB71/1003400.0mAh

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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 "Xiaomi Redmi Note 8 128GB"'s CPU is a Qualcomm SDM665 Snapdragon 665, with performance measured at 2.0GHz+1.8GHz×8(8.0-cores). Also, the "Xperia XZ2 Premium SO-04K docomo 64GB"'s CPU is a Snapdragon 845 SDM845, with performance measured at 2.8GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Xiaomi Redmi Note 8 128GB" and the "Xperia XZ2 Premium SO-04K docomo 64GB". For that reason the level of smoothness felt when using apps and comfortable handling of games is about the same. For that reason it is better to compare them in terms of other aspects of performance and functionality.

ScoreCPU specs
Xiaomi Redmi Note 8 128GB89/1002.0GHz+1.8GHz×8(8.0-cores)
Xperia XZ2 Premium SO-04K docomo 64GB92/1002.8GHz×8(8.0-cores)

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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 "Xiaomi Redmi Note 8 128GB" is 6.0GB and the weight of the "Xperia XZ2 Premium SO-04K docomo 64GB" is 6.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Xiaomi Redmi Note 8 128GB" and the "Xperia XZ2 Premium SO-04K docomo 64GB". For that reason they have about the same level of multitasking performance and 3D game and VR smoothness. That's why it is better to make a comparison in terms of other aspects of performance and functionality.

ScoreRAM size
Xiaomi Redmi Note 8 128GB90/1006.0GB
Xperia XZ2 Premium SO-04K docomo 64GB90/1006.0GB

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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 "Xiaomi Redmi Note 8 128GB" is 128.0GB. Also the "Xperia XZ2 Premium SO-04K docomo 64GB" is 64.0GB. Regarding storage capacity, the "Xiaomi Redmi Note 8 128GB" has a much larger data storage capacity compared to the "Xperia XZ2 Premium SO-04K docomo 64GB", with a roughly 64GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Xiaomi Redmi Note 8 128GB" is superior to the "Xperia XZ2 Premium SO-04K docomo 64GB". If you are looking for a smartphone that can save more data, we recommend the "Xiaomi Redmi Note 8 128GB" over the "Xperia XZ2 Premium SO-04K docomo 64GB".

ScoreStorage size
Xiaomi Redmi Note 8 128GB90/100128.0GB
Xperia XZ2 Premium SO-04K docomo 64GB67/10064.0GB

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB" 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.

"Xiaomi Redmi Note 8 128GB" has a 48.0MP main camera. Also, "Xperia XZ2 Premium SO-04K docomo 64GB" has a 19.2MP main camera. Comparing rear camera performance, the "Xiaomi Redmi Note 8 128GB" has a much higher pixel count compared to the "Xperia XZ2 Premium SO-04K docomo 64GB", with a roughly 28.8MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Xiaomi Redmi Note 8 128GB" is superior to the "Xperia XZ2 Premium SO-04K docomo 64GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Xiaomi Redmi Note 8 128GB" over the "Xperia XZ2 Premium SO-04K docomo 64GB".

ScoreRear-camera resolution
Xiaomi Redmi Note 8 128GB97/10048.0MP
Xperia XZ2 Premium SO-04K docomo 64GB76/10019.2MP

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", 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.

"Xiaomi Redmi Note 8 128GB" has an 13.0MP front camera and "Xperia XZ2 Premium SO-04K docomo 64GB" has an 13.2MP front camera. Comparing rear camera performance, the "Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB" 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.

ScoreFront-camera resolution
Xiaomi Redmi Note 8 128GB71/10013.0MP
Xperia XZ2 Premium SO-04K docomo 64GB71/10013.2MP

"Xiaomi Redmi Note 8 128GB" and "Xperia XZ2 Premium SO-04K docomo 64GB", performance comparison by specification sheet

Xiaomi Redmi Note 8 128GBXperia XZ2 Premium SO-04K docomo 64GB
ImageXiaomi Redmi Note 8 128GBXperia XZ2 Premium SO-04K docomo 64GB
MakerXiaomi
Release date2019-092018-07-27
ColorNeptune Blue/Moonlight White/Space Black/Nebula Purple/Cosmic PurpleChrome Black/Chrome Silver
OSAndroidAndroid
Dimensions (width x height x thickness)75.3mm x 158.3mm x 8.4mm80.0mm x 158.0mm x 11.9mm
Weight190.0g236.0g
Display size6.3inch5.8inch
Display typeIPS LCDfor mobile
Screen resolution (width x height)1080 x 23402160 x 3840
Pixel density409ppi759ppi
Battery capacity4000.0mAh3400.0mAh
ChipsetQualcomm SDM665 Snapdragon 665Snapdragon 845 SDM845
CPU specs2.0GHz+1.8GHz×8(8.0-cores)2.8GHz×8(8.0-cores)
RAM size6.0GB6.0GB
Storage size128.0GB64.0GB
Rear-camera resolution48.0MP19.2MP
Front-camera resolution13.0MP13.2MP

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