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Samsung Galaxy M21 128GB vs Galaxy Note8 SC-01K docomo 64GB: Specs & Scores

Created date: 2020-03-17 15:10:49, Updated date: 2020-04-16 16:20:23

Samsung Galaxy M21 128GBGalaxy Note8 SC-01K docomo 64GB
Samsung Galaxy M21 128GBGalaxy Note8 SC-01K docomo 64GB

Are you having trouble comparing the differences in features and performance of the "Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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.

Samsung Galaxy M21 128GBGalaxy Note8 SC-01K docomo 64GB
Samsung Galaxy M21 128GB

Galaxy Note8 SC-01K docomo 64GB

General rating:
Holding comfortrating-image3.0
75.1mm x 159.0mm x 8.9mm
rating-image3.1
75.0mm x 163.0mm x 8.7mm
Weightrating-image2.8
188.0g
rating-image2.7
190.0g
Screen sizerating-image4.5
6.4inch
rating-image4.5
6.3inch
Display qualityrating-image4.2
402ppi
rating-image4.4
522ppi
Battery liferating-image4.3
6000.0mAh
rating-image3.5
3300.0mAh
Processing powerrating-image4.5
2.3GHz+1.7GHz×8(8.0-cores)
rating-image4.6
2.6GHz×8(8.0-cores)
Memory capacityrating-image4.5
6.0GB
rating-image4.5
6.0GB
Storage capacityrating-image4.5
128.0GB
rating-image3.4
64.0GB
Rear camera performancerating-image4.9
48.0MP
rating-image3.0
12.2MP
Front camera performancerating-image4.1
20.0MP
rating-image2.9
8.0MP

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 64GB", performance comparison

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB" has a width of 75.1mm, a length of 159.0mm, and a thickness of 8.9mm. Also, the "Galaxy Note8 SC-01K docomo 64GB" has a width of 75.0mm, a length of 163.0mm, and a thickness of 8.7mm.

Comparing the width and thickness of the body, there isn't much difference between the "Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB" and the "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB" and the "Galaxy Note8 SC-01K docomo 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)
Samsung Galaxy M21 128GB60/10075.1mm x 159.0mm x 8.9mm
Galaxy Note8 SC-01K docomo 64GB61/10075.0mm x 163.0mm x 8.7mm

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB" is about 188.0g, and the weight of the "Galaxy Note8 SC-01K docomo 64GB" is about 190.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 64GB". That's why the likelihood of fatigue in the fingers and wrists after extended use 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.

ScoreWeight
Samsung Galaxy M21 128GB55/100188.0g
Galaxy Note8 SC-01K docomo 64GB54/100190.0g

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB" has a 6.4inch display. Also, the "Galaxy Note8 SC-01K docomo 64GB" has a 6.3inch display. Comparing the screen size, there is a negligible difference in screen size between the "Samsung Galaxy M21 128GB" and the "Galaxy Note8 SC-01K docomo 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
Samsung Galaxy M21 128GB90/1006.4inch
Galaxy Note8 SC-01K docomo 64GB90/1006.3inch

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB" is 1080 x 2340, and pixel density is 402ppi. Also, the resolution on the "Galaxy Note8 SC-01K docomo 64GB" is 1440 x 2960, and pixel density is 522ppi. Comparing the pixel count, the difference in pixel density between the "Samsung Galaxy M21 128GB" and the "Galaxy Note8 SC-01K docomo 64GB" is negligible. As a result, they are both evenly matched in terms of picture quality and easiness on the eyes. Therefore, we recommend comparing them based on other aspects of performance and functionality.

ScorePixel density
Samsung Galaxy M21 128GB84/100402ppi
Galaxy Note8 SC-01K docomo 64GB88/100522ppi

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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.

The "Samsung Galaxy M21 128GB" is 6000.0mAh, and the "Galaxy Note8 SC-01K docomo 64GB" is 3300.0mAh. Regarding battery capacity, the "Samsung Galaxy M21 128GB" has greater battery capacity than the "Galaxy Note8 SC-01K docomo 64GB", with a 2700mAh difference. Since the "Samsung Galaxy M21 128GB" can be used for longer periods without recharging than the "Galaxy Note8 SC-01K docomo 64GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "Samsung Galaxy M21 128GB" over the "Galaxy Note8 SC-01K docomo 64GB".

ScoreBattery capacity
Samsung Galaxy M21 128GB86/1006000.0mAh
Galaxy Note8 SC-01K docomo 64GB69/1003300.0mAh

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB"'s CPU is a Exynos 9611, with performance measured at 2.3GHz+1.7GHz×8(8.0-cores). Also, the "Galaxy Note8 SC-01K docomo 64GB"'s CPU is a Snapdragon 835 MSM8998, with performance measured at 2.6GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Samsung Galaxy M21 128GB" and the "Galaxy Note8 SC-01K docomo 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
Samsung Galaxy M21 128GB90/1002.3GHz+1.7GHz×8(8.0-cores)
Galaxy Note8 SC-01K docomo 64GB91/1002.6GHz×8(8.0-cores)

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB" is 6.0GB and the weight of the "Galaxy Note8 SC-01K docomo 64GB" is 6.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Samsung Galaxy M21 128GB" and the "Galaxy Note8 SC-01K docomo 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
Samsung Galaxy M21 128GB90/1006.0GB
Galaxy Note8 SC-01K docomo 64GB90/1006.0GB

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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 "Samsung Galaxy M21 128GB" is 128.0GB. Also the "Galaxy Note8 SC-01K docomo 64GB" is 64.0GB. Regarding storage capacity, the "Samsung Galaxy M21 128GB" has a much larger data storage capacity compared to the "Galaxy Note8 SC-01K docomo 64GB", with a roughly 64GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Samsung Galaxy M21 128GB" is superior to the "Galaxy Note8 SC-01K docomo 64GB". If you are looking for a smartphone that can save more data, we recommend the "Samsung Galaxy M21 128GB" over the "Galaxy Note8 SC-01K docomo 64GB".

ScoreStorage size
Samsung Galaxy M21 128GB90/100128.0GB
Galaxy Note8 SC-01K docomo 64GB67/10064.0GB

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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.

"Samsung Galaxy M21 128GB" has a 48.0MP main camera. Also, "Galaxy Note8 SC-01K docomo 64GB" has a 12.2MP main camera. Comparing rear camera performance, the "Samsung Galaxy M21 128GB" has a much higher pixel count compared to the "Galaxy Note8 SC-01K docomo 64GB", with a roughly 35.8MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Samsung Galaxy M21 128GB" is superior to the "Galaxy Note8 SC-01K docomo 64GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Samsung Galaxy M21 128GB" over the "Galaxy Note8 SC-01K docomo 64GB".

ScoreRear-camera resolution
Samsung Galaxy M21 128GB97/10048.0MP
Galaxy Note8 SC-01K docomo 64GB59/10012.2MP

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 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.

"Samsung Galaxy M21 128GB" has an 20.0MP front camera and "Galaxy Note8 SC-01K docomo 64GB" has an 8.0MP front camera. Comparing rear camera performance, the front camera of the "Samsung Galaxy M21 128GB" has a much higher pixel count compared to the "Galaxy Note8 SC-01K docomo 64GB", with a roughly 12MP difference. As a result, the "Samsung Galaxy M21 128GB" is more suited than the "Galaxy Note8 SC-01K docomo 64GB" 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 "Samsung Galaxy M21 128GB" over the "Galaxy Note8 SC-01K docomo 64GB".

ScoreFront-camera resolution
Samsung Galaxy M21 128GB81/10020.0MP
Galaxy Note8 SC-01K docomo 64GB58/1008.0MP

"Samsung Galaxy M21 128GB" and "Galaxy Note8 SC-01K docomo 64GB", performance comparison by specification sheet

Samsung Galaxy M21 128GBGalaxy Note8 SC-01K docomo 64GB
ImageSamsung Galaxy M21 128GBGalaxy Note8 SC-01K docomo 64GB
MakerSamsung
Release date2020-03-232017-10-26
ColorMidnight Blue/Raven BlackMaple Gold
OSAndroidAndroid
Dimensions (width x height x thickness)75.1mm x 159.0mm x 8.9mm75.0mm x 163.0mm x 8.7mm
Weight188.0g190.0g
Display size6.4inch6.3inch
Display typeSuper AMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401440 x 2960
Pixel density402ppi522ppi
Battery capacity6000.0mAh3300.0mAh
ChipsetExynos 9611Snapdragon 835 MSM8998
CPU specs2.3GHz+1.7GHz×8(8.0-cores)2.6GHz×8(8.0-cores)
RAM size6.0GB6.0GB
Storage size128.0GB64.0GB
Rear-camera resolution48.0MP12.2MP
Front-camera resolution20.0MP8.0MP

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