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Should you buy Xiaomi Redmi K30S 256GB or Galaxy Note20 Ultra 5G 512GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2020-10-26 21:25:48

Xiaomi Redmi K30S 256GBGalaxy Note20 Ultra 5G 512GB
Xiaomi Redmi K30S 256GBGalaxy Note20 Ultra 5G 512GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GBGalaxy Note20 Ultra 5G 512GB
Xiaomi Redmi K30S 256GB

Galaxy Note20 Ultra 5G 512GB

General rating:

77.5/100

(The - of all smartphones)

77/100

(The 4277th of all smartphones)

Holding comfort
57/100
58/100
Weight
47/100
48/100
Screen size
91/100
91/100
Display quality
83/100
87/100
Battery life
- /100
81/100
Processing power
96/100
98/100
Memory capacity
93/100
99/100
Storage capacity
91/100
95/100
Rear camera performance
100/100
100/100
Front camera performance
81/100
64/100

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", performance comparison

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB" 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 K30S 256GB" has a width of 76.4mm, a length of 165.1mm, and a thickness of 9.3mm. Also, the "Galaxy Note20 Ultra 5G 512GB" has a width of 77.2mm, a length of 164.8mm, and a thickness of 8.1mm.

Comparing the width and thickness of the body, there isn't much difference between the "Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB" 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 K30S 256GB" and the "Galaxy Note20 Ultra 5G 512GB". 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 K30S 256GB" and the "Galaxy Note20 Ultra 5G 512GB". 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 K30S 256GB57/10076.4mm x 165.1mm x 9.3mm
Galaxy Note20 Ultra 5G 512GB58/10077.2mm x 164.8mm x 8.1mm

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GB" is about 216.0g, and the weight of the "Galaxy Note20 Ultra 5G 512GB" is about 208.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB". 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
Xiaomi Redmi K30S 256GB47/100216.0g
Galaxy Note20 Ultra 5G 512GB48/100208.0g

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GB" has a 6.67inch display. Also, the "Galaxy Note20 Ultra 5G 512GB" has a 6.9inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xiaomi Redmi K30S 256GB" and the "Galaxy Note20 Ultra 5G 512GB". 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 K30S 256GB91/1006.67inch
Galaxy Note20 Ultra 5G 512GB91/1006.9inch

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GB" is 1080 x 2400, and pixel density is 394ppi. Also, the resolution on the "Galaxy Note20 Ultra 5G 512GB" is 1440 x 3088, and pixel density is 493ppi. Comparing the pixel count, the difference in pixel density between the "Xiaomi Redmi K30S 256GB" and the "Galaxy Note20 Ultra 5G 512GB" 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
Xiaomi Redmi K30S 256GB83/100394ppi
Galaxy Note20 Ultra 5G 512GB87/100493ppi

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GB - /100
Galaxy Note20 Ultra 5G 512GB81/1004500.0mAh

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GB"'s CPU is a Qualcomm SM8250 Snapdragon 865, with performance measured at 2.84GHz+2.42GHz+1.8GHz×8(8.0-cores). Also, the "Galaxy Note20 Ultra 5G 512GB"'s CPU is a Exynos 990, with performance measured at 2.73GHz+2.5GHz+2.0GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Xiaomi Redmi K30S 256GB" and the "Galaxy Note20 Ultra 5G 512GB". 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 K30S 256GB96/1002.84GHz+2.42GHz+1.8GHz×8(8.0-cores)
Galaxy Note20 Ultra 5G 512GB98/1002.73GHz+2.5GHz+2.0GHz×8(8.0-cores)

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GB" is 8.0GB and the weight of the "Galaxy Note20 Ultra 5G 512GB" is 12.0GB. Comparing the devices in terms of RAM, the "Galaxy Note20 Ultra 5G 512GB" has more RAM than the "Xiaomi Redmi K30S 256GB", with a difference of about 4GB. For that reason the "Galaxy Note20 Ultra 5G 512GB" allows for smoother multitasking than the "Xiaomi Redmi K30S 256GB", and apps are less likely to crash. In addition the "Galaxy Note20 Ultra 5G 512GB" allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the "Galaxy Note20 Ultra 5G 512GB".

ScoreRAM size
Xiaomi Redmi K30S 256GB93/1008.0GB
Galaxy Note20 Ultra 5G 512GB99/10012.0GB

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GB" is 256.0GB. Also the "Galaxy Note20 Ultra 5G 512GB" is 512.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB". As a result, you can save roughly the same amount of pictures, and install roughly the same amount of applications, on either phone. You are better off comparing them based on other aspects of performance and functionality.

ScoreStorage size
Xiaomi Redmi K30S 256GB91/100256.0GB
Galaxy Note20 Ultra 5G 512GB95/100512.0GB

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB" 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 K30S 256GB" has a 64.0MP main camera. Also, "Galaxy Note20 Ultra 5G 512GB" has a 108.0MP main camera. Comparing rear camera performance, the "Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB" have approximately the same pixel count. As a result, they can both take pictures and shoot videos of roughly the same quality. Therefore, we recommend comparing the two based on other aspects of performance and functionality.

ScoreRear-camera resolution
Xiaomi Redmi K30S 256GB100/10064.0MP
Galaxy Note20 Ultra 5G 512GB100/100108.0MP

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", 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 K30S 256GB" has an 20.0MP front camera and "Galaxy Note20 Ultra 5G 512GB" has an 10.0MP front camera. Comparing rear camera performance, the front camera of the "Xiaomi Redmi K30S 256GB" has a much higher pixel count compared to the "Galaxy Note20 Ultra 5G 512GB", with a roughly 10MP difference. As a result, the "Xiaomi Redmi K30S 256GB" is more suited than the "Galaxy Note20 Ultra 5G 512GB" 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 "Xiaomi Redmi K30S 256GB" over the "Galaxy Note20 Ultra 5G 512GB".

ScoreFront-camera resolution
Xiaomi Redmi K30S 256GB81/10020.0MP
Galaxy Note20 Ultra 5G 512GB64/10010.0MP

"Xiaomi Redmi K30S 256GB" and "Galaxy Note20 Ultra 5G 512GB", performance comparison by specification sheet

Xiaomi Redmi K30S 256GBGalaxy Note20 Ultra 5G 512GB
ImageXiaomi Redmi K30S 256GBGalaxy Note20 Ultra 5G 512GB
MakerXiaomiSamsung
Release date2020-11-112020-08-21
ColorCosmic Black/Lunar SilverMystic Bronze/Mystic Black/Mystic White
OSAndroidAndroid
Dimensions (width x height x thickness)76.4mm x 165.1mm x 9.3mm77.2mm x 164.8mm x 8.1mm
Weight216.0g208.0g
Display size6.67inch6.9inch
Display typeIPS LCDDynamic AMOLED 2X
Screen resolution (width x height)1080 x 24001440 x 3088
Pixel density394ppi493ppi
ChipsetQualcomm SM8250 Snapdragon 865Exynos 990
CPU specs2.84GHz+2.42GHz+1.8GHz×8(8.0-cores)2.73GHz+2.5GHz+2.0GHz×8(8.0-cores)
RAM size8.0GB12.0GB
Storage size256.0GB512.0GB
Rear-camera resolution64.0MP108.0MP
Front-camera resolution20.0MP10.0MP

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