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Should you buy Xiaomi Redmi K30 256GB or vivo X9s (2017) 64GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2019-12-09 13:41:38, Updated date: 2021-10-20 15:47:07

Xiaomi Redmi K30 256GBvivo X9s (2017) 64GB
Xiaomi Redmi K30 256GBvivo X9s (2017) 64GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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.

Xiaomi Redmi K30 256GBvivo X9s (2017) 64GB
Xiaomi Redmi K30 256GB

vivo X9s (2017) 64GB

General rating:
Holding comfortrating-image2.9
76.6mm x 165.3mm x 8.8mm
rating-image3.3
74.0mm x 152.6mm x 7.0mm
Weightrating-image2.4
208.0g
rating-image3.4
154.0g
Screen sizerating-image4.6
6.67inch
rating-image4.1
5.5inch
Display qualityrating-image4.2
394ppi
rating-image4.3
400ppi
Battery liferating-image4.1
4500.0mAh
rating-image3.5
3320.0mAh
Processing powerrating-image4.6
2.2GHz+1.8GHz×8(8.0-cores)
rating-image3.7
1.8GHz+1.2GHz×8(8.0-cores)
Memory capacityrating-image4.7
8.0GB
rating-image3.5
4.0GB
Storage capacityrating-image4.6
256.0GB
rating-image3.4
64.0GB
Rear camera performancerating-image5.0
64.0MP
rating-image3.4
16.0MP
Front camera performancerating-image4.1
20.0MP
rating-image4.1
20.0MP

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 64GB", performance comparison

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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 "Xiaomi Redmi K30 256GB" has a width of 76.6mm, a length of 165.3mm, and a thickness of 8.8mm. Also, the "vivo X9s (2017) 64GB" has a width of 74.0mm, a length of 152.6mm, and a thickness of 7.0mm.

Comparing the width and thickness of the body, the "vivo X9s (2017) 64GB" is smaller and more compact compared to the "Xiaomi Redmi K30 256GB". For that reason, the "vivo X9s (2017) 64GB" is easier to grip firmly and carry one-handed than the "Xiaomi Redmi K30 256GB". For that reason, we recommend the "vivo X9s (2017) 64GB".

Comparing the width and thickness of the body, the "vivo X9s (2017) 64GB" is a more compact size than the "Xiaomi Redmi K30 256GB". For that reason the "vivo X9s (2017) 64GB" has higher one-handed operability, and has greater portability, being less likely to get in the way when being carried. For these reasons, we recommend the "vivo X9s (2017) 64GB".

Comparing the overall size of the two devices, the "vivo X9s (2017) 64GB" has a large size compared to the "Xiaomi Redmi K30 256GB". For that reason the "vivo X9s (2017) 64GB" is a size that is easier to use in one hand and comfortably carry than the "Xiaomi Redmi K30 256GB". That's why we recommend the "vivo X9s (2017) 64GB".

ScoreDimensions (width x height x thickness)
Xiaomi Redmi K30 256GB58/10076.6mm x 165.3mm x 8.8mm
vivo X9s (2017) 64GB66/10074.0mm x 152.6mm x 7.0mm

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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 "Xiaomi Redmi K30 256GB" is about 208.0g, and the weight of the "vivo X9s (2017) 64GB" is about 154.0g. Comparing the weight of the two devices, the "vivo X9s (2017) 64GB" is a considerably lighter smart phone than the "Xiaomi Redmi K30 256GB", and there is a difference of about 54g. In terms of the burden placed upon your fingers and wrist, the "vivo X9s (2017) 64GB" is superior to the "Xiaomi Redmi K30 256GB". If you are going for a smart phone that won't lead to hand fatigue even after extended use, and is less likely to place a burden on your fingers, we recommend purchasing the "vivo X9s (2017) 64GB" over the "Xiaomi Redmi K30 256GB".

ScoreWeight
Xiaomi Redmi K30 256GB48/100208.0g
vivo X9s (2017) 64GB68/100154.0g

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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 "Xiaomi Redmi K30 256GB" has a 6.67inch display. Also, the "vivo X9s (2017) 64GB" has a 5.5inch display. Comparing the screen size, the "Xiaomi Redmi K30 256GB" has a larger screen compared to the "vivo X9s (2017) 64GB", with a roughly 1.17inch difference. As a result, the user is less likely to mistap when using apps on the "Xiaomi Redmi K30 256GB" than on the "vivo X9s (2017) 64GB", and is also able to enjoy videos and games on a larger screen. Therefore, we recommend the "Xiaomi Redmi K30 256GB".

ScoreDisplay size
Xiaomi Redmi K30 256GB91/1006.67inch
vivo X9s (2017) 64GB82/1005.5inch

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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 "Xiaomi Redmi K30 256GB" is 1080 x 2400, and pixel density is 394ppi. Also, the resolution on the "vivo X9s (2017) 64GB" is 1080 x 1920, and pixel density is 400ppi. Comparing the pixel count, the difference in pixel density between the "Xiaomi Redmi K30 256GB" and the "vivo X9s (2017) 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
Xiaomi Redmi K30 256GB83/100394ppi
vivo X9s (2017) 64GB85/100400ppi

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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 "Xiaomi Redmi K30 256GB" is 4500.0mAh, and the "vivo X9s (2017) 64GB" is 3320.0mAh. Regarding battery capacity, the "Xiaomi Redmi K30 256GB" has greater battery capacity than the "vivo X9s (2017) 64GB", with a 1180mAh difference. Since the "Xiaomi Redmi K30 256GB" can be used for longer periods without recharging than the "vivo X9s (2017) 64GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "Xiaomi Redmi K30 256GB" over the "vivo X9s (2017) 64GB".

ScoreBattery capacity
Xiaomi Redmi K30 256GB81/1004500.0mAh
vivo X9s (2017) 64GB69/1003320.0mAh

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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 "Xiaomi Redmi K30 256GB"'s CPU is a Qualcomm SDM730 Snapdragon 730G, with performance measured at 2.2GHz+1.8GHz×8(8.0-cores). Also, the "vivo X9s (2017) 64GB"'s CPU is a Qualcomm MSM8976 Snapdragon 652, with performance measured at 1.8GHz+1.2GHz×8(8.0-cores). Comparing CPU performance, the "Xiaomi Redmi K30 256GB" has considerably higher specs than the "vivo X9s (2017) 64GB". In terms of being able to comfortably play games and run apps smoothly, the "Xiaomi Redmi K30 256GB" is superior to the "vivo X9s (2017) 64GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Xiaomi Redmi K30 256GB" over the "vivo X9s (2017) 64GB".

ScoreCPU specs
Xiaomi Redmi K30 256GB92/1002.2GHz+1.8GHz×8(8.0-cores)
vivo X9s (2017) 64GB74/1001.8GHz+1.2GHz×8(8.0-cores)

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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 "Xiaomi Redmi K30 256GB" is 8.0GB and the weight of the "vivo X9s (2017) 64GB" is 4.0GB. Comparing the devices in terms of RAM, the "Xiaomi Redmi K30 256GB" has a significantly larger amount of RAM than the "vivo X9s (2017) 64GB", with a difference of about 4GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Xiaomi Redmi K30 256GB" is superior to the "vivo X9s (2017) 64GB". If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the "Xiaomi Redmi K30 256GB" over the "vivo X9s (2017) 64GB".

ScoreRAM size
Xiaomi Redmi K30 256GB93/1008.0GB
vivo X9s (2017) 64GB70/1004.0GB

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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 "Xiaomi Redmi K30 256GB" is 256.0GB. Also the "vivo X9s (2017) 64GB" is 64.0GB. Regarding storage capacity, the "Xiaomi Redmi K30 256GB" has a much larger data storage capacity compared to the "vivo X9s (2017) 64GB", with a roughly 192GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Xiaomi Redmi K30 256GB" is superior to the "vivo X9s (2017) 64GB". If you are looking for a smartphone that can save more data, we recommend the "Xiaomi Redmi K30 256GB" over the "vivo X9s (2017) 64GB".

ScoreStorage size
Xiaomi Redmi K30 256GB91/100256.0GB
vivo X9s (2017) 64GB67/10064.0GB

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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.

"Xiaomi Redmi K30 256GB" has a 64.0MP main camera. Also, "vivo X9s (2017) 64GB" has a 16.0MP main camera. Comparing rear camera performance, the "Xiaomi Redmi K30 256GB" has a much higher pixel count compared to the "vivo X9s (2017) 64GB", with a roughly 48MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Xiaomi Redmi K30 256GB" is superior to the "vivo X9s (2017) 64GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Xiaomi Redmi K30 256GB" over the "vivo X9s (2017) 64GB".

ScoreRear-camera resolution
Xiaomi Redmi K30 256GB100/10064.0MP
vivo X9s (2017) 64GB68/10016.0MP

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 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.

"Xiaomi Redmi K30 256GB" has an 20.0MP front camera and "vivo X9s (2017) 64GB" has an 20.0MP front camera. Comparing rear camera performance, the "Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 64GB" 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.

ScoreFront-camera resolution
Xiaomi Redmi K30 256GB81/10020.0MP
vivo X9s (2017) 64GB81/10020.0MP

"Xiaomi Redmi K30 256GB" and "vivo X9s (2017) 64GB", performance comparison by specification sheet

Xiaomi Redmi K30 256GBvivo X9s (2017) 64GB
ImageXiaomi Redmi K30 256GBvivo X9s (2017) 64GB
MakerXiaomivivo
Release date2019-12-122017-07
ColorBlue/Red/PurpleGold/Rose Gold/Black
OSAndroidAndroid
Dimensions (width x height x thickness)76.6mm x 165.3mm x 8.8mm74.0mm x 152.6mm x 7.0mm
Weight208.0g154.0g
Display size6.67inch5.5inch
Display typeIPS LCDAMOLED
Screen resolution (width x height)1080 x 24001080 x 1920
Pixel density394ppi400ppi
Battery capacity4500.0mAh3320.0mAh
ChipsetQualcomm SDM730 Snapdragon 730GQualcomm MSM8976 Snapdragon 652
CPU specs2.2GHz+1.8GHz×8(8.0-cores)1.8GHz+1.2GHz×8(8.0-cores)
RAM size8.0GB4.0GB
Storage size256.0GB64.0GB
Rear-camera resolution64.0MP16.0MP
Front-camera resolution20.0MP20.0MP

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