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Should you buy Samsung Galaxy A21s 64GB or Xiaomi Redmi K30 5G 256GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2020-05-14 19:33:26

Samsung Galaxy A21s 64GBXiaomi Redmi K30 5G 256GB
Samsung Galaxy A21s 64GBXiaomi Redmi K30 5G 256GB

How did the evaluations between the "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB" differ when we compared the two? We reviewed each of the most commonly scrutinized features. If you are thinking about which smartphone to get, check out this review immediately!

Samsung Galaxy A21s 64GBXiaomi Redmi K30 5G 256GB
Samsung Galaxy A21s 64GB

Xiaomi Redmi K30 5G 256GB

General rating:
Portabilityrating-image3.0
60/100
rating-image2.9
58/100
Weightrating-image2.7
53/100
rating-image2.4
48/100
Size of screenrating-image4.5
90/100
rating-image4.6
91/100
Screen clarityrating-image2.7
54/100
rating-image4.2
83/100
Battery durationrating-image4.2
83/100
rating-image4.1
81/100
Processing capabilityrating-image4.5
89/100
rating-image4.7
94/100
Memory capacityrating-image4.5
90/100
rating-image4.7
93/100
Storage capacityrating-image3.4
67/100
rating-image4.6
91/100
Rear camera functionrating-image4.9
97/100
rating-image5.0
100/100
Front camera functionrating-image3.6
71/100
rating-image4.1
81/100

Compare Performance and Usability

Size comparison of "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB". Which one would you choose?

Your device's size has a huge influence on how easy it is to hold or to operate with one hand. The smaller your device's width, the easier it will be to hold, but you'll also need to take device thickness into account. And when the length and width are both smaller, you'll find that it's much easier for you to operate it one-handed, since your fingers will find it much easier to reach where you want them to. On the other hand, longer lengths and wider widths might lead to devices that are hard to carry in your pocket, bulky even when you keep them in your bag, and all around less portable.

The "Samsung Galaxy A21s 64GB" is 75.3mm wide, 163.6mm tall, and 8.9mm thick. The "Xiaomi Redmi K30 5G 256GB" is 76.6mm tall, 165.3mm wide, and 8.8mm thick.

There is no real difference between the "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB" when comparing their width, thickness, and slimness; they are both around the same in terms of one-handed ease of use and carry. Because of this, it is better to compare them based on other aspects of performance and function.

There is no real difference in length or width between the "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB", so they are both about the same in terms of usability, ease of carry, and bulkiness. Because of this, it is better to compare them based on other aspects of performance and function.

When comparing their sizes as a whole, there is no real difference between the "Samsung Galaxy A21s 64GB"and "Xiaomi Redmi K30 5G 256GB". Thus they are roughly the same in terms of ease of carry and one-handed use. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDimensions (width x height x thickness)
Samsung Galaxy A21s 64GB60/10075.3mm x 163.6mm x 8.9mm
Xiaomi Redmi K30 5G 256GB58/10076.6mm x 165.3mm x 8.8mm

Which one is easier to hold, "Samsung Galaxy A21s 64GB" or "Xiaomi Redmi K30 5G 256GB"? Compare weight

The device weight will effect how quickly you tire from holding it, and how much stress is put on your wrist. The lighter it is, the longer you can hold it without feeling tired. Also, less stress on your wrist will make using it easier and more pleasant. Unless the weight is right for you, it might put too much strain on your body and make using it more stressful.

The "Samsung Galaxy A21s 64GB" weighs 192.0g. The "Xiaomi Redmi K30 5G 256GB" clocks in at 208.0g. The "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB" have around the same weight, so prolonged use will tire out fingers nd wrists to around the same degree. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreWeight
Samsung Galaxy A21s 64GB53/100192.0g
Xiaomi Redmi K30 5G 256GB48/100208.0g

Which is better in terms of display, "Samsung Galaxy A21s 64GB" or "Xiaomi Redmi K30 5G 256GB"?

Screen size influences how well you can control your device, as well as how clear the display is. With a large screen, the text and buttons in apps will display large enough so you'll be less likely to accidentally tap the button next to the one you were aiming for. Plus, you'll be able to enjoy more high-impact visuals for games and movies.

The screen size on the "Samsung Galaxy A21s 64GB" is 6.5inch, and 6.67inch on the "Xiaomi Redmi K30 5G 256GB". The screens of the "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB" are roughly the same size, and so the ease of pressing app buttons are the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDisplay size
Samsung Galaxy A21s 64GB90/1006.5inch
Xiaomi Redmi K30 5G 256GB91/1006.67inch

Which one has a better display, "Samsung Galaxy A21s 64GB" or "Xiaomi Redmi K30 5G 256GB"?

Pixel density influences how nice your device's screen looks, with high pixel densities making screens look more beautiful, and letting you get more out of your games and movies. Plus, the nicer you screen looks, the less strain you'll be putting on your eyes, so you'll tend to be able to use your device for longer before your eyes get tired.

The screen on the "Samsung Galaxy A21s 64GB" has a 720 x 1600 resolution and a pixel density of 269ppi. The "Xiaomi Redmi K30 5G 256GB", on the other hand, has a screen resolution of 1080 x 2400 and a pixel density of 394ppi. Comparing the screen definition, the "Xiaomi Redmi K30 5G 256GB" has a much higher pixel density than the "Samsung Galaxy A21s 64GB", with a difference of about 125ppi. The screen on the "Xiaomi Redmi K30 5G 256GB" is clear and crisp, and puts less strain on the eyes than that of the "Samsung Galaxy A21s 64GB". If you want to choose a smartphone that is gentle on your eyes with a display that shows text and images clearly, we recommend that you buy the "Xiaomi Redmi K30 5G 256GB" rather than the "Samsung Galaxy A21s 64GB".

ScorePixel density
Samsung Galaxy A21s 64GB54/100269ppi
Xiaomi Redmi K30 5G 256GB83/100394ppi

How is the battery duration of "Samsung Galaxy A21s 64GB" different from that of "Xiaomi Redmi K30 5G 256GB" ? See the differences

Battery performance has a big effect on the battery life of your device. However, a high battery capacity doesn't necessarily mean a long battery life. Rather, the rate of power consumption needs to be taken into consideration as well. The larger the screen and the higher the CPU performance, the higher the rate of power consumption on your battery.

The "Samsung Galaxy A21s 64GB" has a battery capacity of 5000.0mAh, while the "Xiaomi Redmi K30 5G 256GB" has a 4500.0mAh battery. The batteries of both the "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB" perform to the same extent. There is also no difference in the battery capacities of the "Samsung Galaxy A21s 64GB" and the "Xiaomi Redmi K30 5G 256GB". Since their battery life is practically identical, it would be better to compare them based on other aspects of performance and function.

ScoreBattery capacity
Samsung Galaxy A21s 64GB83/1005000.0mAh
Xiaomi Redmi K30 5G 256GB81/1004500.0mAh

Which is better in terms of CPU function, "Samsung Galaxy A21s 64GB" or "Xiaomi Redmi K30 5G 256GB"?

Your CPU's speed will influence the processing power of the applications you run, and together with the number of cores in the CPU, as well as its clock frequency, will determine the processing power available for apps. The higher these performance factors, the smoother your games and apps will run. Conversely, if these factors are too low, your apps and games will be sluggish and struggle to run.

The "Samsung Galaxy A21s 64GB" is equipped with a Exynos 850 processor, and its performance speed is 2.0GHz+2.0GHz×8(8.0-cores). The "Xiaomi Redmi K30 5G 256GB" uses an Qualcomm SDM765 Snapdragon 765G CPU that performs at a speed of 2.4GHz+2.2GHz+1.8GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB". Because of this, both phones will feel practically identical in terms of smoothness when running apps and ease of game play. This is why it is better to compare them based on other aspects of performance and function.

ScoreCPU specs
Samsung Galaxy A21s 64GB89/1002.0GHz+2.0GHz×8(8.0-cores)
Xiaomi Redmi K30 5G 256GB94/1002.4GHz+2.2GHz+1.8GHz×8(8.0-cores)

How is "Samsung Galaxy A21s 64GB" different from "Xiaomi Redmi K30 5G 256GB" in terms of memory capacity?

Your device's multimedia performance and app stability are both influenced by the amount of memory it has available. The more memory, the more apps you can use simultaneously, while keeping everything stable and smooth. Plus, there'll be less chance of animations lagging or apps crashing. You also need to keep in mind that some games won't run at all if there's not enough memory available.

The "Samsung Galaxy A21s 64GB" has 6.0GB of memory. The "Xiaomi Redmi K30 5G 256GB", on the other hand, has 8.0GB. Memory performance is roughly the same for both the "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB"; as a result, multitasking, playing 3D games, and using VR feels the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRAM size
Samsung Galaxy A21s 64GB90/1006.0GB
Xiaomi Redmi K30 5G 256GB93/1008.0GB

Which has a better storage capacity, "Samsung Galaxy A21s 64GB" or "Xiaomi Redmi K30 5G 256GB"?

Storage capacity determines the amount of data you'll be able to save on your device. The more storage you have, the more photos you can take and the more apps you can install. Plus, if your smartphone is compatible with SD cards, then you can increase the amount of available storage. However, SD cards have a slower writespeed, making them less desirable in terms of performance, and users should be aware that it won't be possible to transfer all kinds of data to the card.

The "Samsung Galaxy A21s 64GB" has 64.0GB of storage, while the "Xiaomi Redmi K30 5G 256GB" has 256.0GB. In terms of ROM and data storage, the "Xiaomi Redmi K30 5G 256GB" has a much larger capacity than the "Samsung Galaxy A21s 64GB", with a difference of about 192GB. The "Xiaomi Redmi K30 5G 256GB" can save more photos and keep more apps installed than the "Samsung Galaxy A21s 64GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Xiaomi Redmi K30 5G 256GB" rather than the "Samsung Galaxy A21s 64GB".

ScoreStorage size
Samsung Galaxy A21s 64GB67/10064.0GB
Xiaomi Redmi K30 5G 256GB91/100256.0GB

Compare the rear cameras of "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB". Which one has better picture quality?

One factor in how well your rear camera (the camera on the back of your device) performs is its megapixel count. With a higher megapixel count, you'll be able to take photos with sharper detail, photos that stay clear and sharp even when printed.

The main camera on the "Samsung Galaxy A21s 64GB" has 48.0MP. The "Xiaomi Redmi K30 5G 256GB" has 64.0MP. The rear facing cameras of the "Samsung Galaxy A21s 64GB" and "Xiaomi Redmi K30 5G 256GB" have roughly the same performance, so the quality of the photograph and video footage they can capture is around the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRear-camera resolution
Samsung Galaxy A21s 64GB97/10048.0MP
Xiaomi Redmi K30 5G 256GB100/10064.0MP

Which has a front camera with better picture quality, "Samsung Galaxy A21s 64GB" or "Xiaomi Redmi K30 5G 256GB"?

One indication of how well your forward facing camera (the camera on the same side as your device's screen) performs is how many megapixels it has. More megapixels means you'll be able to take photos with sharper detail, that still look amazing printed out.

The forward-facing camera on the "Samsung Galaxy A21s 64GB" has a resolution of 13.0MP. The "Xiaomi Redmi K30 5G 256GB"'s has 20.0MP. Comparing the front-facing camera performance, the number of pixels of the front-facing camera on the "Xiaomi Redmi K30 5G 256GB" is higher than the "Samsung Galaxy A21s 64GB", with a difference of approximately 7MP. For this reason, it is possible to take higher quality selfies and make clear prints with the "Xiaomi Redmi K30 5G 256GB" than the "Samsung Galaxy A21s 64GB". Therefore, the "Xiaomi Redmi K30 5G 256GB" is recommended.

ScoreFront-camera resolution
Samsung Galaxy A21s 64GB71/10013.0MP
Xiaomi Redmi K30 5G 256GB81/10020.0MP

Compare Performance Specs

Samsung Galaxy A21s 64GBXiaomi Redmi K30 5G 256GB
ImageSamsung Galaxy A21s 64GBXiaomi Redmi K30 5G 256GB
MakerSamsungXiaomi
Release date2020-06-192020-01
ColorBlack/White/Blue/RedBlue/Red/Purple/White
OSAndroidAndroid
Dimensions (width x height x thickness)75.3mm x 163.6mm x 8.9mm76.6mm x 165.3mm x 8.8mm
Weight192.0g208.0g
Display size6.5inch6.67inch
Display typeSuper AMOLEDIPS LCD
Screen resolution (width x height)720 x 16001080 x 2400
Pixel density269ppi394ppi
Battery capacity5000.0mAh4500.0mAh
ChipsetExynos 850Qualcomm SDM765 Snapdragon 765G
CPU specs2.0GHz+2.0GHz×8(8.0-cores)2.4GHz+2.2GHz+1.8GHz×8(8.0-cores)
RAM size6.0GB8.0GB
Storage size64.0GB256.0GB
Rear-camera resolution48.0MP64.0MP
Front-camera resolution13.0MP20.0MP

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