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Which is better, Lenovo K12 Pro 128GB or Xiaomi Mi 9 (2019) 256GB? We compared their features and specs in detail

Created date: 2020-12-08 19:27:00

Lenovo K12 Pro 128GBXiaomi Mi 9 (2019) 256GB
Lenovo K12 Pro 128GBXiaomi Mi 9 (2019) 256GB

Are you having trouble comparing the differences in features and performance of the "Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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.

Lenovo K12 Pro 128GBXiaomi Mi 9 (2019) 256GB
Lenovo K12 Pro 128GB

Xiaomi Mi 9 (2019) 256GB

General rating:

67.9/100

(The 4687th of all smartphones)

78.8/100

(The 3069th of all smartphones)

Holding comfort
56/100
63/100
Weight
46/100
61/100
Screen size
91/100
90/100
Display quality
52/100
84/100
Battery life
- /100
69/100
Processing power
83/100
96/100
Memory capacity
70/100
93/100
Storage capacity
90/100
91/100
Rear camera performance
100/100
97/100
Front camera performance
75/100
81/100

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", performance comparison

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB" 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 "Lenovo K12 Pro 128GB" has a width of 76.8mm, a length of 172.1mm, and a thickness of 9.7mm. Also, the "Xiaomi Mi 9 (2019) 256GB" has a width of 74.7mm, a length of 157.5mm, and a thickness of 7.6mm.

Comparing the width and thickness of the body, the "Xiaomi Mi 9 (2019) 256GB" is smaller and more compact compared to the "Lenovo K12 Pro 128GB". For that reason, the "Xiaomi Mi 9 (2019) 256GB" is easier to grip firmly and carry one-handed than the "Lenovo K12 Pro 128GB". For that reason, we recommend the "Xiaomi Mi 9 (2019) 256GB".

Comparing the width and thickness of the body, the "Xiaomi Mi 9 (2019) 256GB" is a more compact size than the "Lenovo K12 Pro 128GB". For that reason the "Xiaomi Mi 9 (2019) 256GB" 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 (2019) 256GB".

Comparing the overall size of the two devices, the "Xiaomi Mi 9 (2019) 256GB" has a large size compared to the "Lenovo K12 Pro 128GB". For that reason the "Xiaomi Mi 9 (2019) 256GB" is a size that is easier to use in one hand and comfortably carry than the "Lenovo K12 Pro 128GB". That's why we recommend the "Xiaomi Mi 9 (2019) 256GB".

ScoreDimensions (width x height x thickness)
Lenovo K12 Pro 128GB56/10076.8mm x 172.1mm x 9.7mm
Xiaomi Mi 9 (2019) 256GB63/10074.7mm x 157.5mm x 7.6mm

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Lenovo K12 Pro 128GB" is about 221.0g, and the weight of the "Xiaomi Mi 9 (2019) 256GB" is about 173.0g. Comparing the weight of the two devices, the "Xiaomi Mi 9 (2019) 256GB" is a considerably lighter smart phone than the "Lenovo K12 Pro 128GB", and there is a difference of about 48g. In terms of the burden placed upon your fingers and wrist, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "Lenovo K12 Pro 128GB". If you are going for a smart phone that won't lead to hand fatigue even after extended use, and is less likely to place a burden on your fingers, we recommend purchasing the "Xiaomi Mi 9 (2019) 256GB" over the "Lenovo K12 Pro 128GB".

ScoreWeight
Lenovo K12 Pro 128GB46/100221.0g
Xiaomi Mi 9 (2019) 256GB61/100173.0g

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Lenovo K12 Pro 128GB" has a 6.8inch display. Also, the "Xiaomi Mi 9 (2019) 256GB" has a 6.39inch display. Comparing the screen size, there is a negligible difference in screen size between the "Lenovo K12 Pro 128GB" and the "Xiaomi Mi 9 (2019) 256GB". 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
Lenovo K12 Pro 128GB91/1006.8inch
Xiaomi Mi 9 (2019) 256GB90/1006.39inch

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Lenovo K12 Pro 128GB" is 720 x 1640, and pixel density is 263ppi. Also, the resolution on the "Xiaomi Mi 9 (2019) 256GB" is 1080 x 2340, and pixel density is 403ppi. Comparing the pixel count, the "Xiaomi Mi 9 (2019) 256GB" has much higher pixel density than the "Lenovo K12 Pro 128GB", with a difference of roughly 140ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "Lenovo K12 Pro 128GB". If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the "Xiaomi Mi 9 (2019) 256GB" over the "Lenovo K12 Pro 128GB".

ScorePixel density
Lenovo K12 Pro 128GB52/100263ppi
Xiaomi Mi 9 (2019) 256GB84/100403ppi

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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.

ScoreBattery capacity
Lenovo K12 Pro 128GB - /100
Xiaomi Mi 9 (2019) 256GB69/1003300.0mAh

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Lenovo K12 Pro 128GB"'s CPU is a Qualcomm SM6115 Snapdragon 662, with performance measured at 2.0GHz+1.8GHz×8(8.0-cores). Also, the "Xiaomi Mi 9 (2019) 256GB"'s CPU is a Qualcomm SM8150 Snapdragon 855, with performance measured at 2.84GHz+2.42GHz+1.78GHz×8(8.0-cores). Comparing CPU performance, the "Xiaomi Mi 9 (2019) 256GB" has considerably higher specs than the "Lenovo K12 Pro 128GB". In terms of being able to comfortably play games and run apps smoothly, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "Lenovo K12 Pro 128GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Xiaomi Mi 9 (2019) 256GB" over the "Lenovo K12 Pro 128GB".

ScoreCPU specs
Lenovo K12 Pro 128GB83/1002.0GHz+1.8GHz×8(8.0-cores)
Xiaomi Mi 9 (2019) 256GB96/1002.84GHz+2.42GHz+1.78GHz×8(8.0-cores)

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Lenovo K12 Pro 128GB" is 4.0GB and the weight of the "Xiaomi Mi 9 (2019) 256GB" is 8.0GB. Comparing the devices in terms of RAM, the "Xiaomi Mi 9 (2019) 256GB" has a significantly larger amount of RAM than the "Lenovo K12 Pro 128GB", with a difference of about 4GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Xiaomi Mi 9 (2019) 256GB" is superior to the "Lenovo K12 Pro 128GB". If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the "Xiaomi Mi 9 (2019) 256GB" over the "Lenovo K12 Pro 128GB".

ScoreRAM size
Lenovo K12 Pro 128GB70/1004.0GB
Xiaomi Mi 9 (2019) 256GB93/1008.0GB

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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 "Lenovo K12 Pro 128GB" is 128.0GB. Also the "Xiaomi Mi 9 (2019) 256GB" is 256.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB". 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
Lenovo K12 Pro 128GB90/100128.0GB
Xiaomi Mi 9 (2019) 256GB91/100256.0GB

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB" 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.

"Lenovo K12 Pro 128GB" has a 64.0MP main camera. Also, "Xiaomi Mi 9 (2019) 256GB" has a 48.0MP main camera. Comparing rear camera performance, the "Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB" 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
Lenovo K12 Pro 128GB100/10064.0MP
Xiaomi Mi 9 (2019) 256GB97/10048.0MP

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", 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.

"Lenovo K12 Pro 128GB" has an 16.0MP front camera and "Xiaomi Mi 9 (2019) 256GB" has an 20.0MP front camera. Comparing rear camera performance, the front camera of the "Xiaomi Mi 9 (2019) 256GB" has a higher pixel count than the "Lenovo K12 Pro 128GB", with a roughly 4MP difference. As a result, the "Xiaomi Mi 9 (2019) 256GB" is better able to take high quality selfies than the "Lenovo K12 Pro 128GB", and the pictures will look cleaner when printed. Therefore, we recommend the "Xiaomi Mi 9 (2019) 256GB".

ScoreFront-camera resolution
Lenovo K12 Pro 128GB75/10016.0MP
Xiaomi Mi 9 (2019) 256GB81/10020.0MP

"Lenovo K12 Pro 128GB" and "Xiaomi Mi 9 (2019) 256GB", performance comparison by specification sheet

Lenovo K12 Pro 128GBXiaomi Mi 9 (2019) 256GB
ImageLenovo K12 Pro 128GBXiaomi Mi 9 (2019) 256GB
MakerLenovoXiaomi
Release date2020-12-122019-03
ColorElectric Violet/Metallic SageLavender Violet/Ocean Blue/Piano Black
OSAndroidAndroid
Dimensions (width x height x thickness)76.8mm x 172.1mm x 9.7mm74.7mm x 157.5mm x 7.6mm
Weight221.0g173.0g
Display size6.8inch6.39inch
Display typeIPS LCDSuper AMOLED
Screen resolution (width x height)720 x 16401080 x 2340
Pixel density263ppi403ppi
ChipsetQualcomm SM6115 Snapdragon 662Qualcomm SM8150 Snapdragon 855
CPU specs2.0GHz+1.8GHz×8(8.0-cores)2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
RAM size4.0GB8.0GB
Storage size128.0GB256.0GB
Rear-camera resolution64.0MP48.0MP
Front-camera resolution16.0MP20.0MP

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