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.

Samsung Galaxy A21 32GB vs Samsung Galaxy M31 128GB: Full Comparison!

Created date: 2020-04-07 17:22:58, Updated date: 2021-10-20 18:08:39

Samsung Galaxy A21 32GBSamsung Galaxy M31 128GB
Samsung Galaxy A21 32GBSamsung Galaxy M31 128GB

Are you having trouble comparing the differences in features and performance of the "Samsung Galaxy A21 32GB" and "Samsung Galaxy M31 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.

Samsung Galaxy A21 32GBSamsung Galaxy M31 128GB
Samsung Galaxy A21 32GB

Samsung Galaxy M31 128GB

General rating:

63.5/100

(The 3621th of all smartphones)

77.6/100

(The 3118th of all smartphones)

Portability
- /100
60/100
Weight
- /100
54/100
Size of screen
90/100
90/100
Screen clarity
54/100
84/100
Battery duration
80/100
86/100
Processing capability
- /100
90/100
Memory capacity
60/100
90/100
Storage capacity
55/100
90/100
Rear camera function
68/100
100/100
Front camera function
71/100
97/100

Compare Performance and Usability

Size comparison of "Samsung Galaxy A21 32GB" and "Samsung Galaxy M31 128GB". 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 M31 128GB" is 75.1mm tall, 159.2mm wide, and 8.9mm thick.

ScoreDimensions (width x height x thickness)
Samsung Galaxy A21 32GB - /100
Samsung Galaxy M31 128GB60/10075.1mm x 159.2mm x 8.9mm

Which one is easier to hold, "Samsung Galaxy A21 32GB" or "Samsung Galaxy M31 128GB"? 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.

ScoreWeight
Samsung Galaxy A21 32GB - /100
Samsung Galaxy M31 128GB54/100191.0g

Which is better in terms of display, "Samsung Galaxy A21 32GB" or "Samsung Galaxy M31 128GB"?

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 A21 32GB" is 6.5inch, and 6.4inch on the "Samsung Galaxy M31 128GB". The screens of the "Samsung Galaxy A21 32GB" and "Samsung Galaxy M31 128GB" 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 A21 32GB90/1006.5inch
Samsung Galaxy M31 128GB90/1006.4inch

Which one has a better display, "Samsung Galaxy A21 32GB" or "Samsung Galaxy M31 128GB"?

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 A21 32GB" has a 720 x 1600 resolution and a pixel density of 269ppi. The "Samsung Galaxy M31 128GB", on the other hand, has a screen resolution of 1080 x 2340 and a pixel density of 402ppi. Comparing the screen definition, the "Samsung Galaxy M31 128GB" has a much higher pixel density than the "Samsung Galaxy A21 32GB", with a difference of about 133ppi. The screen on the "Samsung Galaxy M31 128GB" is clear and crisp, and puts less strain on the eyes than that of the "Samsung Galaxy A21 32GB". 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 "Samsung Galaxy M31 128GB" rather than the "Samsung Galaxy A21 32GB".

ScorePixel density
Samsung Galaxy A21 32GB54/100269ppi
Samsung Galaxy M31 128GB84/100402ppi

How is the battery duration of "Samsung Galaxy A21 32GB" different from that of "Samsung Galaxy M31 128GB" ? 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 A21 32GB" has a battery capacity of 4000.0mAh, while the "Samsung Galaxy M31 128GB" has a 6000.0mAh battery. Regarding the battery performance, the "Samsung Galaxy M31 128GB" has a larger battery capacity than the "Samsung Galaxy A21 32GB", with a difference of 2000mAh. If you are choosing based on the battery, the "Samsung Galaxy M31 128GB" is recommended over the "Samsung Galaxy A21 32GB".

ScoreBattery capacity
Samsung Galaxy A21 32GB80/1004000.0mAh
Samsung Galaxy M31 128GB86/1006000.0mAh

Which is better in terms of CPU function, "Samsung Galaxy A21 32GB" or "Samsung Galaxy M31 128GB"?

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 M31 128GB" uses an Exynos 9611 CPU that performs at a speed of 2.3GHz+1.7GHz×8(8.0-cores).

ScoreCPU specs
Samsung Galaxy A21 32GB - /100
Samsung Galaxy M31 128GB90/1002.3GHz+1.7GHz×8(8.0-cores)

How is "Samsung Galaxy A21 32GB" different from "Samsung Galaxy M31 128GB" 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 A21 32GB" has 3.0GB of memory. The "Samsung Galaxy M31 128GB", on the other hand, has 6.0GB. As for memory performance, the "Samsung Galaxy M31 128GB" has a larger memory capacity than the "Samsung Galaxy A21 32GB", with a difference of about 3GB. The "Samsung Galaxy M31 128GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Samsung Galaxy A21 32GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "Samsung Galaxy M31 128GB" rather than the "Samsung Galaxy A21 32GB".

ScoreRAM size
Samsung Galaxy A21 32GB60/1003.0GB
Samsung Galaxy M31 128GB90/1006.0GB

Which has a better storage capacity, "Samsung Galaxy A21 32GB" or "Samsung Galaxy M31 128GB"?

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 A21 32GB" has 32.0GB of storage, while the "Samsung Galaxy M31 128GB" has 128.0GB. In terms of ROM and data storage, the "Samsung Galaxy M31 128GB" has a much larger capacity than the "Samsung Galaxy A21 32GB", with a difference of about 96GB. The "Samsung Galaxy M31 128GB" can save more photos and keep more apps installed than the "Samsung Galaxy A21 32GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Samsung Galaxy M31 128GB" rather than the "Samsung Galaxy A21 32GB".

ScoreStorage size
Samsung Galaxy A21 32GB55/10032.0GB
Samsung Galaxy M31 128GB90/100128.0GB

Compare the rear cameras of "Samsung Galaxy A21 32GB" and "Samsung Galaxy M31 128GB". 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 A21 32GB" has 16.0MP. The "Samsung Galaxy M31 128GB" has 64.0MP. The rear-facing camera of the "Samsung Galaxy M31 128GB" also has a higher pixel count than the "Samsung Galaxy A21 32GB", with a difference of about 48MP. The "Samsung Galaxy M31 128GB" is more capable than the "Samsung Galaxy A21 32GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "Samsung Galaxy M31 128GB" rather than the "Samsung Galaxy A21 32GB".

ScoreRear-camera resolution
Samsung Galaxy A21 32GB68/10016.0MP
Samsung Galaxy M31 128GB100/10064.0MP

Which has a front camera with better picture quality, "Samsung Galaxy A21 32GB" or "Samsung Galaxy M31 128GB"?

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 A21 32GB" has a resolution of 13.0MP. The "Samsung Galaxy M31 128GB"'s has 32.0MP. The front-facing camera of the "Samsung Galaxy M31 128GB" has a significantly higher number of pixels than the "Samsung Galaxy A21 32GB", with a difference of about 19MP. Therefore, the "Samsung Galaxy M31 128GB" is more suitable for taking photos and videos than the "Samsung Galaxy A21 32GB". If you want to take and print high-quality selfies, we recommend buying the "Samsung Galaxy M31 128GB" rather than the "Samsung Galaxy A21 32GB".

ScoreFront-camera resolution
Samsung Galaxy A21 32GB71/10013.0MP
Samsung Galaxy M31 128GB97/10032.0MP

Compare Performance Specs

Samsung Galaxy A21 32GBSamsung Galaxy M31 128GB
ImageSamsung Galaxy A21 32GBSamsung Galaxy M31 128GB
MakerSamsungSamsung
Release date2020-04-082020-03-05
ColorBlackOcean Blue/Space Black
OSAndroidAndroid
Display size6.5inch6.4inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)720 x 16001080 x 2340
Pixel density269ppi402ppi
Battery capacity4000.0mAh6000.0mAh
RAM size3.0GB6.0GB
Storage size32.0GB128.0GB
Rear-camera resolution16.0MP64.0MP
Front-camera resolution13.0MP32.0MP

Look at a smartphone

Compare smartphones

Look at a smartphone

Compare smartphones

Check price

Articles related to Samsung Galaxy A21 32GB
Articles related to Samsung Galaxy M31 128GB

Samsung Galaxy A21 32GB

Search for smartphone with similar ratings as Samsung Galaxy A21 32GB

Articles related to Samsung Galaxy A21 32GB
Articles related to Samsung Galaxy M31 128GB

Samsung Galaxy M31 128GB

Search for smartphone with similar ratings as Samsung Galaxy M31 128GB

New articles