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Samsung Galaxy M21s 128GB vs. Galaxy A Quantum 128GB Specs & Scores

Created date: 2020-11-06 21:02:00

Samsung Galaxy M21s 128GBGalaxy A Quantum 128GB
Samsung Galaxy M21s 128GBGalaxy A Quantum 128GB

Are you having trouble comparing the differences in features and performance of the "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 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 M21s 128GBGalaxy A Quantum 128GB
Samsung Galaxy M21s 128GB

Galaxy A Quantum 128GB

General rating:

75.2/100

(The - of all smartphones)

77.7/100

(The 3112th of all smartphones)

Portability
60/100
61/100
Weight
54/100
56/100
Size of screen
90/100
91/100
Screen clarity
84/100
83/100
Battery duration
- /100
81/100
Processing capability
90/100
92/100
Memory capacity
90/100
93/100
Storage capacity
90/100
90/100
Rear camera function
100/100
100/100
Front camera function
97/100
97/100

Compare Performance and Usability

Size comparison of "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 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 M21s 128GB" is 75.1mm wide, 159.2mm tall, and 8.9mm thick. The "Galaxy A Quantum 128GB" is 75.5mm tall, 162.5mm wide, and 8.1mm thick.

There is no real difference between the "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 128GB" 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 M21s 128GB" and "Galaxy A Quantum 128GB", 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 M21s 128GB"and "Galaxy A Quantum 128GB". 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 M21s 128GB60/10075.1mm x 159.2mm x 8.9mm
Galaxy A Quantum 128GB61/10075.5mm x 162.5mm x 8.1mm

Which one is easier to hold, "Samsung Galaxy M21s 128GB" or "Galaxy A Quantum 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.

The "Samsung Galaxy M21s 128GB" weighs 191.0g. The "Galaxy A Quantum 128GB" clocks in at 185.0g. The "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 128GB" 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 M21s 128GB54/100191.0g
Galaxy A Quantum 128GB56/100185.0g

Which is better in terms of display, "Samsung Galaxy M21s 128GB" or "Galaxy A Quantum 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 M21s 128GB" is 6.4inch, and 6.7inch on the "Galaxy A Quantum 128GB". The screens of the "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 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 M21s 128GB90/1006.4inch
Galaxy A Quantum 128GB91/1006.7inch

Which one has a better display, "Samsung Galaxy M21s 128GB" or "Galaxy A Quantum 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 M21s 128GB" has a 1080 x 2340 resolution and a pixel density of 402ppi. The "Galaxy A Quantum 128GB", on the other hand, has a screen resolution of 1080 x 2400 and a pixel density of 392ppi. There is not much of a difference in the pixel resolutions of the "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 128GB", so they are about the same in terms of clarity of image and gentleness on the eyes. For this reason it is better to compare them based on other aspects of performance and function.

ScorePixel density
Samsung Galaxy M21s 128GB84/100402ppi
Galaxy A Quantum 128GB83/100392ppi

How is the battery duration of "Samsung Galaxy M21s 128GB" different from that of "Galaxy A Quantum 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.

ScoreBattery capacity
Samsung Galaxy M21s 128GB - /100
Galaxy A Quantum 128GB81/1004500.0mAh

Which is better in terms of CPU function, "Samsung Galaxy M21s 128GB" or "Galaxy A Quantum 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 M21s 128GB" is equipped with a Exynos 9611 processor, and its performance speed is 2.3GHz+1.7GHz×8(8.0-cores). The "Galaxy A Quantum 128GB" uses an Exynos 980 , QRNG security chipset CPU that performs at a speed of 2.2GHz+1.8GHz×8(8.0-cores). There is also no real discrepancy between the CPU performances of the "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 128GB". 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 M21s 128GB90/1002.3GHz+1.7GHz×8(8.0-cores)
Galaxy A Quantum 128GB92/1002.2GHz+1.8GHz×8(8.0-cores)

How is "Samsung Galaxy M21s 128GB" different from "Galaxy A Quantum 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 M21s 128GB" has 6.0GB of memory. The "Galaxy A Quantum 128GB", on the other hand, has 8.0GB. Memory performance is roughly the same for both the "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 128GB"; 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 M21s 128GB90/1006.0GB
Galaxy A Quantum 128GB93/1008.0GB

Which has a better storage capacity, "Samsung Galaxy M21s 128GB" or "Galaxy A Quantum 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 M21s 128GB" has 128.0GB of storage, while the "Galaxy A Quantum 128GB" has 128.0GB. There is no real difference between the "Samsung Galaxy M21s 128GB"and "Galaxy A Quantum 128GB" 's ROMs and storage capacities, so both can store roughly the same amount of photographs and apps. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreStorage size
Samsung Galaxy M21s 128GB90/100128.0GB
Galaxy A Quantum 128GB90/100128.0GB

Compare the rear cameras of "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 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 M21s 128GB" has 64.0MP. The "Galaxy A Quantum 128GB" has 64.0MP. The rear facing cameras of the "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 128GB" 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 M21s 128GB100/10064.0MP
Galaxy A Quantum 128GB100/10064.0MP

Which has a front camera with better picture quality, "Samsung Galaxy M21s 128GB" or "Galaxy A Quantum 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 M21s 128GB" has a resolution of 32.0MP. The "Galaxy A Quantum 128GB"'s has 32.0MP. There is little difference between the camera capabilities and the pixel density of the "Samsung Galaxy M21s 128GB" and "Galaxy A Quantum 128GB"'s front facing cameras, so the quality of photographs and video footage is virtually the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreFront-camera resolution
Samsung Galaxy M21s 128GB97/10032.0MP
Galaxy A Quantum 128GB97/10032.0MP

Compare Performance Specs

Samsung Galaxy M21s 128GBGalaxy A Quantum 128GB
ImageSamsung Galaxy M21s 128GBGalaxy A Quantum 128GB
MakerSamsungSamsung
Release date2020-11-062020-05-22
ColorBlue/BlackPrism Cube Black/Prism Cube Sliver/Prism Cube Blue
OSAndroidAndroid
Dimensions (width x height x thickness)75.1mm x 159.2mm x 8.9mm75.5mm x 162.5mm x 8.1mm
Weight191.0g185.0g
Display size6.4inch6.7inch
Display typeSuper AMOLEDSuper AMOLED Plus
Screen resolution (width x height)1080 x 23401080 x 2400
Pixel density402ppi392ppi
ChipsetExynos 9611Exynos 980 , QRNG security chipset
CPU specs2.3GHz+1.7GHz×8(8.0-cores)2.2GHz+1.8GHz×8(8.0-cores)
RAM size6.0GB8.0GB
Storage size128.0GB128.0GB
Rear-camera resolution64.0MP64.0MP
Front-camera resolution32.0MP32.0MP

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