Browsing this site requires consent to the privacy policy. By continuing to browse, you agree to our privacy policy. If you do not agree, please stop browsing. Privacy policy

All our articles is independent of any advertiser or commercial initiative, and if you buy something through our posts, we may get a small share of the sale. Click here for more information.

Which should you buy, the Xiaomi Redmi K40 256GB or Xiaomi Mi 9 Lite 128GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2021-02-24 21:31:57

Xiaomi Redmi K40 256GBXiaomi Mi 9 Lite 128GB
Xiaomi Redmi K40 256GBXiaomi Mi 9 Lite 128GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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 Redmi K40 256GBXiaomi Mi 9 Lite 128GB
Xiaomi Redmi K40 256GB

Xiaomi Mi 9 Lite 128GB

General rating:
Holding comfortrating-image3.0
60/100
rating-image3.1
62/100
Weightrating-image2.6
52/100
rating-image2.9
58/100
Screen sizerating-image4.6
91/100
rating-image4.5
90/100
Display qualityrating-image4.2
83/100
rating-image4.2
84/100
Battery liferating-image
- /100
rating-image4.0
80/100
Processing powerrating-image5.0
99/100
rating-image4.5
89/100
Memory capacityrating-image5.0
99/100
rating-image4.5
90/100
Storage capacityrating-image4.6
91/100
rating-image4.5
90/100
Rear camera performancerating-image4.9
97/100
rating-image4.9
97/100
Front camera performancerating-image4.1
81/100
rating-image4.9
97/100

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 128GB", performance comparison

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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 "Xiaomi Redmi K40 256GB" has a width of 76.4mm, a length of 163.7mm, and a thickness of 7.8mm. Also, the "Xiaomi Mi 9 Lite 128GB" has a width of 74.5mm, a length of 156.8mm, and a thickness of 8.7mm.

Comparing the width and thickness of the body, there isn't much difference between the "Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 128GB" in terms of size. For that reason, the ease of gripping and carrying the devices in one hand is about the same for both. Therefore it's better to compare them in terms of performance and functionality.

Comparing the width and thickness of the body, there isn't a large difference in size between the "Xiaomi Redmi K40 256GB" and the "Xiaomi Mi 9 Lite 128GB". 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, there isn't a big difference in size between the "Xiaomi Redmi K40 256GB" and the "Xiaomi Mi 9 Lite 128GB". For that reason the ease of carrying and use with one hand is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreDimensions (width x height x thickness)
Xiaomi Redmi K40 256GB60/10076.4mm x 163.7mm x 7.8mm
Xiaomi Mi 9 Lite 128GB62/10074.5mm x 156.8mm x 8.7mm

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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 "Xiaomi Redmi K40 256GB" is about 196.0g, and the weight of the "Xiaomi Mi 9 Lite 128GB" is about 179.0g. Comparing the weight of the two devices, the "Xiaomi Mi 9 Lite 128GB" is a lighter smart phone than the "Xiaomi Redmi K40 256GB", with a difference of about 17g. For that reason the "Xiaomi Mi 9 Lite 128GB" is a smart phone that is less likely than the "Xiaomi Redmi K40 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 Lite 128GB" over the "Xiaomi Redmi K40 256GB".

ScoreWeight
Xiaomi Redmi K40 256GB52/100196.0g
Xiaomi Mi 9 Lite 128GB58/100179.0g

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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 "Xiaomi Redmi K40 256GB" has a 6.67inch display. Also, the "Xiaomi Mi 9 Lite 128GB" has a 6.39inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xiaomi Redmi K40 256GB" and the "Xiaomi Mi 9 Lite 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
Xiaomi Redmi K40 256GB91/1006.67inch
Xiaomi Mi 9 Lite 128GB90/1006.39inch

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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 "Xiaomi Redmi K40 256GB" is 1080 x 2400, and pixel density is 394ppi. Also, the resolution on the "Xiaomi Mi 9 Lite 128GB" is 1080 x 2340, and pixel density is 403ppi. Comparing the pixel count, the difference in pixel density between the "Xiaomi Redmi K40 256GB" and the "Xiaomi Mi 9 Lite 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
Xiaomi Redmi K40 256GB83/100394ppi
Xiaomi Mi 9 Lite 128GB84/100403ppi

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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.

ScoreBattery capacity
Xiaomi Redmi K40 256GB - /100
Xiaomi Mi 9 Lite 128GB80/1004030.0mAh

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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 "Xiaomi Redmi K40 256GB"'s CPU is a Qualcomm SM8250, with performance measured at 3.2GHz+2.42GHz+1.8GHz×8(8.0-cores). Also, the "Xiaomi Mi 9 Lite 128GB"'s CPU is a Qualcomm SDM710 Snapdragon 710, with performance measured at 2.2GHz+1.7GHz×8(8.0-cores). Comparing CPU performance, the "Xiaomi Redmi K40 256GB" has higher specs compared to the "Xiaomi Mi 9 Lite 128GB". For that reason, the "Xiaomi Redmi K40 256GB" allows for more comfortable use of apps, and games that run more smoothly. That's why we recommend the "Xiaomi Redmi K40 256GB" over the "Xiaomi Mi 9 Lite 128GB".

ScoreCPU specs
Xiaomi Redmi K40 256GB99/1003.2GHz+2.42GHz+1.8GHz×8(8.0-cores)
Xiaomi Mi 9 Lite 128GB89/1002.2GHz+1.7GHz×8(8.0-cores)

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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 "Xiaomi Redmi K40 256GB" is 12.0GB and the weight of the "Xiaomi Mi 9 Lite 128GB" is 6.0GB. Comparing the devices in terms of RAM, the "Xiaomi Redmi K40 256GB" has more RAM than the "Xiaomi Mi 9 Lite 128GB", with a difference of about 6GB. For that reason the "Xiaomi Redmi K40 256GB" allows for smoother multitasking than the "Xiaomi Mi 9 Lite 128GB", and apps are less likely to crash. In addition the "Xiaomi Redmi K40 256GB" allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the "Xiaomi Redmi K40 256GB".

ScoreRAM size
Xiaomi Redmi K40 256GB99/10012.0GB
Xiaomi Mi 9 Lite 128GB90/1006.0GB

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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 "Xiaomi Redmi K40 256GB" is 256.0GB. Also the "Xiaomi Mi 9 Lite 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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
Xiaomi Redmi K40 256GB91/100256.0GB
Xiaomi Mi 9 Lite 128GB90/100128.0GB

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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.

"Xiaomi Redmi K40 256GB" has a 48.0MP main camera. Also, "Xiaomi Mi 9 Lite 128GB" has a 48.0MP main camera. Comparing rear camera performance, the "Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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
Xiaomi Redmi K40 256GB97/10048.0MP
Xiaomi Mi 9 Lite 128GB97/10048.0MP

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 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.

"Xiaomi Redmi K40 256GB" has an 20.0MP front camera and "Xiaomi Mi 9 Lite 128GB" has an 32.0MP front camera. Comparing rear camera performance, the front camera of the "Xiaomi Mi 9 Lite 128GB" has a much higher pixel count compared to the "Xiaomi Redmi K40 256GB", with a roughly 12MP difference. As a result, the "Xiaomi Mi 9 Lite 128GB" is more suited than the "Xiaomi Redmi K40 256GB" for shooting videos and taking pictures. If you are looking for a smartphone that is suited for shooting high resolution selfies which will look clean when printed, we recommend the "Xiaomi Mi 9 Lite 128GB" over the "Xiaomi Redmi K40 256GB".

ScoreFront-camera resolution
Xiaomi Redmi K40 256GB81/10020.0MP
Xiaomi Mi 9 Lite 128GB97/10032.0MP

"Xiaomi Redmi K40 256GB" and "Xiaomi Mi 9 Lite 128GB", performance comparison by specification sheet

Xiaomi Redmi K40 256GBXiaomi Mi 9 Lite 128GB
ImageXiaomi Redmi K40 256GBXiaomi Mi 9 Lite 128GB
MakerXiaomiXiaomi
Release date2021-03-042019-09
ColorBlack/White/AuroraPearl White/Aurora Blue/Onyx Grey
OSAndroidAndroid
Dimensions (width x height x thickness)76.4mm x 163.7mm x 7.8mm74.5mm x 156.8mm x 8.7mm
Weight196.0g179.0g
Display size6.67inch6.39inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density394ppi403ppi
ChipsetQualcomm SM8250Qualcomm SDM710 Snapdragon 710
CPU specs3.2GHz+2.42GHz+1.8GHz×8(8.0-cores)2.2GHz+1.7GHz×8(8.0-cores)
RAM size12.0GB6.0GB
Storage size256.0GB128.0GB
Rear-camera resolution48.0MP48.0MP
Front-camera resolution20.0MP32.0MP

Look at a smartphone

Compare smartphones

Look at a smartphone

Compare smartphones

Check price

Articles related to Xiaomi Redmi K40 256GB
Articles related to Xiaomi Mi 9 Lite 128GB

Xiaomi Redmi K40 256GB

Search for smartphone with similar ratings as Xiaomi Redmi K40 256GB

Articles related to Xiaomi Redmi K40 256GB
Articles related to Xiaomi Mi 9 Lite 128GB

Xiaomi Mi 9 Lite 128GB

Search for smartphone with similar ratings as Xiaomi Mi 9 Lite 128GB

New articles