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Which should you buy, the Xiaomi Redmi K30 5G 256GB or vivo X23 (2018) 128GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2019-12-09 18:30:57, Updated date: 2021-10-20 15:06:30

Xiaomi Redmi K30 5G 256GBvivo X23 (2018) 128GB
Xiaomi Redmi K30 5G 256GBvivo X23 (2018) 128GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 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.

Xiaomi Redmi K30 5G 256GBvivo X23 (2018) 128GB
Xiaomi Redmi K30 5G 256GB

vivo X23 (2018) 128GB

General rating:
Holding comfortrating-image2.9
58/100
rating-image3.3
65/100
Weightrating-image2.4
48/100
rating-image3.3
66/100
Screen sizerating-image4.6
91/100
rating-image4.5
90/100
Display qualityrating-image4.2
83/100
rating-image4.2
84/100
Battery liferating-image4.1
81/100
rating-image3.6
71/100
Processing powerrating-image4.7
94/100
rating-image4.6
91/100
Memory capacityrating-image4.7
93/100
rating-image4.7
93/100
Storage capacityrating-image4.6
91/100
rating-image4.5
90/100
Rear camera performancerating-image5.0
100/100
rating-image3.1
61/100
Front camera performancerating-image4.1
81/100
rating-image3.5
70/100

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", performance comparison

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB" 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 5G 256GB" has a width of 76.6mm, a length of 165.3mm, and a thickness of 8.8mm. Also, the "vivo X23 (2018) 128GB" has a width of 74.1mm, a length of 157.7mm, and a thickness of 7.5mm.

Comparing the width and thickness of the body, the "vivo X23 (2018) 128GB" is smaller and more compact compared to the "Xiaomi Redmi K30 5G 256GB". For that reason, the "vivo X23 (2018) 128GB" is easier to grip firmly and carry one-handed than the "Xiaomi Redmi K30 5G 256GB". For that reason, we recommend the "vivo X23 (2018) 128GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Xiaomi Redmi K30 5G 256GB" and the "vivo X23 (2018) 128GB". 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, the "vivo X23 (2018) 128GB" has a large size compared to the "Xiaomi Redmi K30 5G 256GB". For that reason the "vivo X23 (2018) 128GB" is a size that is easier to use in one hand and comfortably carry than the "Xiaomi Redmi K30 5G 256GB". That's why we recommend the "vivo X23 (2018) 128GB".

ScoreDimensions (width x height x thickness)
Xiaomi Redmi K30 5G 256GB58/10076.6mm x 165.3mm x 8.8mm
vivo X23 (2018) 128GB65/10074.1mm x 157.7mm x 7.5mm

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", 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 5G 256GB" is about 208.0g, and the weight of the "vivo X23 (2018) 128GB" is about 160.5g. Comparing the weight of the two devices, the "vivo X23 (2018) 128GB" is a considerably lighter smart phone than the "Xiaomi Redmi K30 5G 256GB", and there is a difference of about 47.5g. In terms of the burden placed upon your fingers and wrist, the "vivo X23 (2018) 128GB" is superior to the "Xiaomi Redmi K30 5G 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 X23 (2018) 128GB" over the "Xiaomi Redmi K30 5G 256GB".

ScoreWeight
Xiaomi Redmi K30 5G 256GB48/100208.0g
vivo X23 (2018) 128GB66/100160.5g

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", 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 5G 256GB" has a 6.67inch display. Also, the "vivo X23 (2018) 128GB" has a 6.41inch display. Comparing the screen size, there is a negligible difference in screen size between the "Xiaomi Redmi K30 5G 256GB" and the "vivo X23 (2018) 128GB". 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 K30 5G 256GB91/1006.67inch
vivo X23 (2018) 128GB90/1006.41inch

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", 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 5G 256GB" is 1080 x 2400, and pixel density is 394ppi. Also, the resolution on the "vivo X23 (2018) 128GB" is 1080 x 2340, and pixel density is 402ppi. Comparing the pixel count, the difference in pixel density between the "Xiaomi Redmi K30 5G 256GB" and the "vivo X23 (2018) 128GB" 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 5G 256GB83/100394ppi
vivo X23 (2018) 128GB84/100402ppi

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", 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 5G 256GB" is 4500.0mAh, and the "vivo X23 (2018) 128GB" is 3400.0mAh. Regarding battery capacity, the "Xiaomi Redmi K30 5G 256GB" has greater battery capacity than the "vivo X23 (2018) 128GB", with a 1100mAh difference. Since the "Xiaomi Redmi K30 5G 256GB" can be used for longer periods without recharging than the "vivo X23 (2018) 128GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "Xiaomi Redmi K30 5G 256GB" over the "vivo X23 (2018) 128GB".

ScoreBattery capacity
Xiaomi Redmi K30 5G 256GB81/1004500.0mAh
vivo X23 (2018) 128GB71/1003400.0mAh

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", 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 5G 256GB"'s CPU is a Qualcomm SDM765 Snapdragon 765G, with performance measured at 2.4GHz+2.2GHz+1.8GHz×8(8.0-cores). Also, the "vivo X23 (2018) 128GB"'s CPU is a Qualcomm SDM670 Snapdragon 670, with performance measured at 2.0GHz+1.8GHz×8(8.0-cores). Comparing CPU performance, there is almost no difference in the specs of the "Xiaomi Redmi K30 5G 256GB" and the "vivo X23 (2018) 128GB". 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 K30 5G 256GB94/1002.4GHz+2.2GHz+1.8GHz×8(8.0-cores)
vivo X23 (2018) 128GB91/1002.0GHz+1.8GHz×8(8.0-cores)

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", 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 5G 256GB" is 8.0GB and the weight of the "vivo X23 (2018) 128GB" is 8.0GB. Comparing the devices in terms of RAM, there is almost no difference in the amount of RAM of the "Xiaomi Redmi K30 5G 256GB" and the "vivo X23 (2018) 128GB". 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
Xiaomi Redmi K30 5G 256GB93/1008.0GB
vivo X23 (2018) 128GB93/1008.0GB

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", 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 5G 256GB" is 256.0GB. Also the "vivo X23 (2018) 128GB" is 128.0GB. Regarding storage capacity, there is a negligible difference in storage capacity between the "Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB". 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 K30 5G 256GB91/100256.0GB
vivo X23 (2018) 128GB90/100128.0GB

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB" 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 5G 256GB" has a 64.0MP main camera. Also, "vivo X23 (2018) 128GB" has a 13.0MP main camera. Comparing rear camera performance, the "Xiaomi Redmi K30 5G 256GB" has a much higher pixel count compared to the "vivo X23 (2018) 128GB", with a roughly 51MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Xiaomi Redmi K30 5G 256GB" is superior to the "vivo X23 (2018) 128GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Xiaomi Redmi K30 5G 256GB" over the "vivo X23 (2018) 128GB".

ScoreRear-camera resolution
Xiaomi Redmi K30 5G 256GB100/10064.0MP
vivo X23 (2018) 128GB61/10013.0MP

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", 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 5G 256GB" has an 20.0MP front camera and "vivo X23 (2018) 128GB" has an 12.0MP front camera. Comparing rear camera performance, the front camera of the "Xiaomi Redmi K30 5G 256GB" has a much higher pixel count compared to the "vivo X23 (2018) 128GB", with a roughly 8MP difference. As a result, the "Xiaomi Redmi K30 5G 256GB" is more suited than the "vivo X23 (2018) 128GB" 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 K30 5G 256GB" over the "vivo X23 (2018) 128GB".

ScoreFront-camera resolution
Xiaomi Redmi K30 5G 256GB81/10020.0MP
vivo X23 (2018) 128GB70/10012.0MP

"Xiaomi Redmi K30 5G 256GB" and "vivo X23 (2018) 128GB", performance comparison by specification sheet

Xiaomi Redmi K30 5G 256GBvivo X23 (2018) 128GB
ImageXiaomi Redmi K30 5G 256GBvivo X23 (2018) 128GB
MakerXiaomivivo
Release date2020-012018-09
ColorBlue/Red/Purple/WhitePhantom Purple/Magic Night/Phantom Red
OSAndroidAndroid
Dimensions (width x height x thickness)76.6mm x 165.3mm x 8.8mm74.1mm x 157.7mm x 7.5mm
Weight208.0g160.5g
Display size6.67inch6.41inch
Display typeIPS LCDSuper AMOLED
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density394ppi402ppi
Battery capacity4500.0mAh3400.0mAh
ChipsetQualcomm SDM765 Snapdragon 765GQualcomm SDM670 Snapdragon 670
CPU specs2.4GHz+2.2GHz+1.8GHz×8(8.0-cores)2.0GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB8.0GB
Storage size256.0GB128.0GB
Rear-camera resolution64.0MP13.0MP
Front-camera resolution20.0MP12.0MP

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