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.

Compare Xiaomi Redmi K40 Pro 256GB vs Infinix S4 (2019) 64GB

Created date: 2021-02-24 14:35:48

Xiaomi Redmi K40 Pro 256GBInfinix S4 (2019) 64GB
Xiaomi Redmi K40 Pro 256GBInfinix S4 (2019) 64GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GBInfinix S4 (2019) 64GB
Xiaomi Redmi K40 Pro 256GB

Infinix S4 (2019) 64GB

General rating:

74.4/100

(The 4460th of all smartphones)

68.8/100

(The 3486th of all smartphones)

Holding comfort
60/100
62/100
Weight
52/100
68/100
Screen size
91/100
90/100
Display quality
83/100
54/100
Battery life
- /100
80/100
Processing power
96/100
92/100
Memory capacity
93/100
90/100
Storage capacity
91/100
67/100
Rear camera performance
100/100
61/100
Front camera performance
81/100
97/100

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 64GB", performance comparison

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB" has a width of 76.4mm, a length of 163.7mm, and a thickness of 7.8mm. Also, the "Infinix S4 (2019) 64GB" has a width of 75.0mm, a length of 156.0mm, and a thickness of 7.9mm.

Comparing the width and thickness of the body, there isn't much difference between the "Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 64GB" 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 Pro 256GB" and the "Infinix S4 (2019) 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, there isn't a big difference in size between the "Xiaomi Redmi K40 Pro 256GB" and the "Infinix S4 (2019) 64GB". 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 Pro 256GB60/10076.4mm x 163.7mm x 7.8mm
Infinix S4 (2019) 64GB62/10075.0mm x 156.0mm x 7.9mm

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB" is about 196.0g, and the weight of the "Infinix S4 (2019) 64GB" is about 154.0g. Comparing the weight of the two devices, the "Infinix S4 (2019) 64GB" is a considerably lighter smart phone than the "Xiaomi Redmi K40 Pro 256GB", and there is a difference of about 42g. In terms of the burden placed upon your fingers and wrist, the "Infinix S4 (2019) 64GB" is superior to the "Xiaomi Redmi K40 Pro 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 "Infinix S4 (2019) 64GB" over the "Xiaomi Redmi K40 Pro 256GB".

ScoreWeight
Xiaomi Redmi K40 Pro 256GB52/100196.0g
Infinix S4 (2019) 64GB68/100154.0g

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB" has a 6.67inch display. Also, the "Infinix S4 (2019) 64GB" has a 6.2inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xiaomi Redmi K40 Pro 256GB" and the "Infinix S4 (2019) 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 K40 Pro 256GB91/1006.67inch
Infinix S4 (2019) 64GB90/1006.2inch

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB" is 1080 x 2400, and pixel density is 394ppi. Also, the resolution on the "Infinix S4 (2019) 64GB" is 720 x 1520, and pixel density is 271ppi. Comparing the pixel count, the "Xiaomi Redmi K40 Pro 256GB" has much higher pixel density than the "Infinix S4 (2019) 64GB", with a difference of roughly 123ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Xiaomi Redmi K40 Pro 256GB" is superior to the "Infinix S4 (2019) 64GB". 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 Pro 256GB" over the "Infinix S4 (2019) 64GB".

ScorePixel density
Xiaomi Redmi K40 Pro 256GB83/100394ppi
Infinix S4 (2019) 64GB54/100271ppi

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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.

ScoreBattery capacity
Xiaomi Redmi K40 Pro 256GB - /100
Infinix S4 (2019) 64GB80/1004000.0mAh

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB"'s CPU is a Qualcomm SM8350 Snapdragon 888, with performance measured at 2.84GHz+2.42GHz+1.8GHz×8(8.0-cores). Also, the "Infinix S4 (2019) 64GB"'s CPU is a Mediatek MT6762 Helio P22, with performance measured at 2.0GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Xiaomi Redmi K40 Pro 256GB" and the "Infinix S4 (2019) 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 K40 Pro 256GB96/1002.84GHz+2.42GHz+1.8GHz×8(8.0-cores)
Infinix S4 (2019) 64GB92/1002.0GHz×8(8.0-cores)

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB" is 8.0GB and the weight of the "Infinix S4 (2019) 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 K40 Pro 256GB" and the "Infinix S4 (2019) 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 K40 Pro 256GB93/1008.0GB
Infinix S4 (2019) 64GB90/1006.0GB

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB" is 256.0GB. Also the "Infinix S4 (2019) 64GB" is 64.0GB. Regarding storage capacity, the "Xiaomi Redmi K40 Pro 256GB" has a much larger data storage capacity compared to the "Infinix S4 (2019) 64GB", with a roughly 192GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Xiaomi Redmi K40 Pro 256GB" is superior to the "Infinix S4 (2019) 64GB". If you are looking for a smartphone that can save more data, we recommend the "Xiaomi Redmi K40 Pro 256GB" over the "Infinix S4 (2019) 64GB".

ScoreStorage size
Xiaomi Redmi K40 Pro 256GB91/100256.0GB
Infinix S4 (2019) 64GB67/10064.0GB

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB" has a 64.0MP main camera. Also, "Infinix S4 (2019) 64GB" has a 13.0MP main camera. Comparing rear camera performance, the "Xiaomi Redmi K40 Pro 256GB" has a much higher pixel count compared to the "Infinix S4 (2019) 64GB", with a roughly 51MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Xiaomi Redmi K40 Pro 256GB" is superior to the "Infinix S4 (2019) 64GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Xiaomi Redmi K40 Pro 256GB" over the "Infinix S4 (2019) 64GB".

ScoreRear-camera resolution
Xiaomi Redmi K40 Pro 256GB100/10064.0MP
Infinix S4 (2019) 64GB61/10013.0MP

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 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 K40 Pro 256GB" has an 20.0MP front camera and "Infinix S4 (2019) 64GB" has an 32.0MP front camera. Comparing rear camera performance, the front camera of the "Infinix S4 (2019) 64GB" has a much higher pixel count compared to the "Xiaomi Redmi K40 Pro 256GB", with a roughly 12MP difference. As a result, the "Infinix S4 (2019) 64GB" is more suited than the "Xiaomi Redmi K40 Pro 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 "Infinix S4 (2019) 64GB" over the "Xiaomi Redmi K40 Pro 256GB".

ScoreFront-camera resolution
Xiaomi Redmi K40 Pro 256GB81/10020.0MP
Infinix S4 (2019) 64GB97/10032.0MP

"Xiaomi Redmi K40 Pro 256GB" and "Infinix S4 (2019) 64GB", performance comparison by specification sheet

Xiaomi Redmi K40 Pro 256GBInfinix S4 (2019) 64GB
ImageXiaomi Redmi K40 Pro 256GBInfinix S4 (2019) 64GB
MakerXiaomiInfinix
Release date2021-03-042019-04
ColorBlack/White/AuroraSpace gray/nebula blue/twilight purple
OSAndroidAndroid
Dimensions (width x height x thickness)76.4mm x 163.7mm x 7.8mm75.0mm x 156.0mm x 7.9mm
Weight196.0g154.0g
Display size6.67inch6.2inch
Display typeSuper AMOLEDIPS LCD
Screen resolution (width x height)1080 x 2400720 x 1520
Pixel density394ppi271ppi
ChipsetQualcomm SM8350 Snapdragon 888Mediatek MT6762 Helio P22
CPU specs2.84GHz+2.42GHz+1.8GHz×8(8.0-cores)2.0GHz×8(8.0-cores)
RAM size8.0GB6.0GB
Storage size256.0GB64.0GB
Rear-camera resolution64.0MP13.0MP
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 Pro 256GB
Articles related to Infinix S4 (2019) 64GB

Xiaomi Redmi K40 Pro 256GB

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

Articles related to Xiaomi Redmi K40 Pro 256GB
Articles related to Infinix S4 (2019) 64GB

Infinix S4 (2019) 64GB

Search for smartphone with similar ratings as Infinix S4 (2019) 64GB

New articles