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Which should you buy, the Xiaomi Redmi K40 256GB or Sony Xperia C3 8GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2021-02-24 21:14:15

Xiaomi Redmi K40 256GBSony Xperia C3 8GB
Xiaomi Redmi K40 256GBSony Xperia C3 8GB

Here's our thorough comparison of the difference in performance and function between the "Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB". Which one should you buy? We'll compare and explain what differs between the "Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB" in a way that even people who aren't used to choosing between two similar products can understand.

Xiaomi Redmi K40 256GBSony Xperia C3 8GB
Xiaomi Redmi K40 256GB

Sony Xperia C3 8GB

General rating:
Holding comfortrating-image3.0
60/100
rating-image2.8
56/100
Weightrating-image2.6
52/100
rating-image3.5
70/100
Screen sizerating-image4.6
91/100
rating-image4.1
82/100
Display qualityrating-image4.2
83/100
rating-image2.7
53/100
Battery liferating-image
- /100
rating-image2.9
57/100
Processing powerrating-image5.0
99/100
rating-image1
14/100
Memory capacityrating-image5.0
99/100
rating-image1.0
20/100
Storage capacityrating-image4.6
91/100
rating-image1.2
24/100
Rear camera performancerating-image4.9
97/100
rating-image2.5
50/100
Front camera performancerating-image4.1
81/100
rating-image2.5
50/100

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", performance comparison

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB" 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 "Sony Xperia C3 8GB" has a width of 78.7mm, a length of 156.2mm, and a thickness of 7.6mm.

Comparing the width and thickness of the body, there isn't much difference between the "Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB" 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 "Sony Xperia C3 8GB". 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 "Sony Xperia C3 8GB". 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
Sony Xperia C3 8GB56/10078.7mm x 156.2mm x 7.6mm

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", 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 "Sony Xperia C3 8GB" is about 149.7g. Comparing the weight of the two devices, the "Sony Xperia C3 8GB" is a considerably lighter smart phone than the "Xiaomi Redmi K40 256GB", and there is a difference of about 46.3g. In terms of the burden placed upon your fingers and wrist, the "Sony Xperia C3 8GB" is superior to the "Xiaomi Redmi K40 256GB". 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 "Sony Xperia C3 8GB" over the "Xiaomi Redmi K40 256GB".

ScoreWeight
Xiaomi Redmi K40 256GB52/100196.0g
Sony Xperia C3 8GB70/100149.7g

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", 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 "Sony Xperia C3 8GB" has a 5.5inch display. Comparing the screen size, the "Xiaomi Redmi K40 256GB" has a larger screen compared to the "Sony Xperia C3 8GB", with a roughly 1.17inch difference. As a result, the user is less likely to mistap when using apps on the "Xiaomi Redmi K40 256GB" than on the "Sony Xperia C3 8GB", and is also able to enjoy videos and games on a larger screen. Therefore, we recommend the "Xiaomi Redmi K40 256GB".

ScoreDisplay size
Xiaomi Redmi K40 256GB91/1006.67inch
Sony Xperia C3 8GB82/1005.5inch

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", 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 "Sony Xperia C3 8GB" is 720 x 1280, and pixel density is 267ppi. Comparing the pixel count, the "Xiaomi Redmi K40 256GB" has much higher pixel density than the "Sony Xperia C3 8GB", with a difference of roughly 127ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Xiaomi Redmi K40 256GB" is superior to the "Sony Xperia C3 8GB". 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 Redmi K40 256GB" over the "Sony Xperia C3 8GB".

ScorePixel density
Xiaomi Redmi K40 256GB83/100394ppi
Sony Xperia C3 8GB53/100267ppi

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", 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
Sony Xperia C3 8GB57/1002500.0mAh

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", 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 "Sony Xperia C3 8GB"'s CPU is a Qualcomm MSM8926 Snapdragon 400, with performance measured at 1.2GHz×4(4.0-cores). Comparing CPU performance, the "Xiaomi Redmi K40 256GB" has considerably higher specs than the "Sony Xperia C3 8GB". In terms of being able to comfortably play games and run apps smoothly, the "Xiaomi Redmi K40 256GB" is superior to the "Sony Xperia C3 8GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Xiaomi Redmi K40 256GB" over the "Sony Xperia C3 8GB".

ScoreCPU specs
Xiaomi Redmi K40 256GB99/1003.2GHz+2.42GHz+1.8GHz×8(8.0-cores)
Sony Xperia C3 8GB14/1001.2GHz×4(4.0-cores)

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", 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 "Sony Xperia C3 8GB" is 1.0GB. Comparing the devices in terms of RAM, the "Xiaomi Redmi K40 256GB" has a significantly larger amount of RAM than the "Sony Xperia C3 8GB", with a difference of about 11GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Xiaomi Redmi K40 256GB" is superior to the "Sony Xperia C3 8GB". 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 Redmi K40 256GB" over the "Sony Xperia C3 8GB".

ScoreRAM size
Xiaomi Redmi K40 256GB99/10012.0GB
Sony Xperia C3 8GB20/1001.0GB

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", 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 "Sony Xperia C3 8GB" is 8.0GB. Regarding storage capacity, the "Xiaomi Redmi K40 256GB" has a much larger data storage capacity compared to the "Sony Xperia C3 8GB", with a roughly 248GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Xiaomi Redmi K40 256GB" is superior to the "Sony Xperia C3 8GB". If you are looking for a smartphone that can save more data, we recommend the "Xiaomi Redmi K40 256GB" over the "Sony Xperia C3 8GB".

ScoreStorage size
Xiaomi Redmi K40 256GB91/100256.0GB
Sony Xperia C3 8GB24/1008.0GB

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB" 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, "Sony Xperia C3 8GB" has a 8.0MP main camera. Comparing rear camera performance, the "Xiaomi Redmi K40 256GB" has a much higher pixel count compared to the "Sony Xperia C3 8GB", with a roughly 40MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Xiaomi Redmi K40 256GB" is superior to the "Sony Xperia C3 8GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Xiaomi Redmi K40 256GB" over the "Sony Xperia C3 8GB".

ScoreRear-camera resolution
Xiaomi Redmi K40 256GB97/10048.0MP
Sony Xperia C3 8GB50/1008.0MP

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", 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 "Sony Xperia C3 8GB" has an 5.0MP front camera. Comparing rear camera performance, the front camera of the "Xiaomi Redmi K40 256GB" has a much higher pixel count compared to the "Sony Xperia C3 8GB", with a roughly 15MP difference. As a result, the "Xiaomi Redmi K40 256GB" is more suited than the "Sony Xperia C3 8GB" 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 Redmi K40 256GB" over the "Sony Xperia C3 8GB".

ScoreFront-camera resolution
Xiaomi Redmi K40 256GB81/10020.0MP
Sony Xperia C3 8GB50/1005.0MP

"Xiaomi Redmi K40 256GB" and "Sony Xperia C3 8GB", performance comparison by specification sheet

Xiaomi Redmi K40 256GBSony Xperia C3 8GB
ImageXiaomi Redmi K40 256GBSony Xperia C3 8GB
MakerXiaomiSony
Release date2021-03-042014-08
ColorBlack/White/AuroraBlack/White/Mint
OSAndroidAndroid
Dimensions (width x height x thickness)76.4mm x 163.7mm x 7.8mm78.7mm x 156.2mm x 7.6mm
Weight196.0g149.7g
Display size6.67inch5.5inch
Display typeSuper AMOLEDIPS LCD
Screen resolution (width x height)1080 x 2400720 x 1280
Pixel density394ppi267ppi
ChipsetQualcomm SM8250Qualcomm MSM8926 Snapdragon 400
CPU specs3.2GHz+2.42GHz+1.8GHz×8(8.0-cores)1.2GHz×4(4.0-cores)
RAM size12.0GB1.0GB
Storage size256.0GB8.0GB
Rear-camera resolution48.0MP8.0MP
Front-camera resolution20.0MP5.0MP

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