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Which is better, ROG Phone II ZS660KL 1024GB or Xiaomi Redmi K20 256GB? We compared their features and specs in detail

Created date: 2019-09-07 05:22:36, Updated date: 2020-04-16 20:24:51

ROG Phone II ZS660KL 1024GBXiaomi Redmi K20 256GB
ROG Phone II ZS660KL 1024GBXiaomi Redmi K20 256GB

Here's our thorough comparison of the difference in performance and function between the "ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB". Which one should you buy? We'll compare and explain what differs between the "ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB" in a way that even people who aren't used to choosing between two similar products can understand.

ROG Phone II ZS660KL 1024GBXiaomi Redmi K20 256GB
ROG Phone II ZS660KL 1024GB

Xiaomi Redmi K20 256GB

General rating:

80.8/100

(The 5168th of all smartphones)

74.5/100

(The 3307th of all smartphones)

Holding comfort
55/100
62/100
Weight
44/100
54/100
Screen size
90/100
90/100
Display quality
82/100
84/100
Battery life
86/100
80/100
Processing power
98/100
92/100
Memory capacity
99/100
93/100
Storage capacity
99/100
91/100
Rear camera performance
97/100
97/100
Front camera performance
86/100
81/100

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", performance comparison

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB" 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 "ROG Phone II ZS660KL 1024GB" has a width of 77.6mm, a length of 171.0mm, and a thickness of 9.5mm. Also, the "Xiaomi Redmi K20 256GB" has a width of 74.3mm, a length of 156.7mm, and a thickness of 8.8mm.

Comparing the width and thickness of the body, the "Xiaomi Redmi K20 256GB" is smaller and more compact compared to the "ROG Phone II ZS660KL 1024GB". For that reason, the "Xiaomi Redmi K20 256GB" is easier to grip firmly and carry one-handed than the "ROG Phone II ZS660KL 1024GB". For that reason, we recommend the "Xiaomi Redmi K20 256GB".

Comparing the width and thickness of the body, the "Xiaomi Redmi K20 256GB" is a more compact size than the "ROG Phone II ZS660KL 1024GB". For that reason the "Xiaomi Redmi K20 256GB" 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 "Xiaomi Redmi K20 256GB".

Comparing the overall size of the two devices, the "Xiaomi Redmi K20 256GB" has a large size compared to the "ROG Phone II ZS660KL 1024GB". For that reason the "Xiaomi Redmi K20 256GB" is a size that is easier to use in one hand and comfortably carry than the "ROG Phone II ZS660KL 1024GB". That's why we recommend the "Xiaomi Redmi K20 256GB".

ScoreDimensions (width x height x thickness)
ROG Phone II ZS660KL 1024GB55/10077.6mm x 171.0mm x 9.5mm
Xiaomi Redmi K20 256GB62/10074.3mm x 156.7mm x 8.8mm

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", 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 "ROG Phone II ZS660KL 1024GB" is about 240.0g, and the weight of the "Xiaomi Redmi K20 256GB" is about 191.0g. Comparing the weight of the two devices, the "Xiaomi Redmi K20 256GB" is a lighter smart phone than the "ROG Phone II ZS660KL 1024GB", with a difference of about 49g. For that reason the "Xiaomi Redmi K20 256GB" is a smart phone that is less likely than the "ROG Phone II ZS660KL 1024GB"to put a burden on your fingers and wrist when used for an extended period. That's why we recommend the "Xiaomi Redmi K20 256GB" over the "ROG Phone II ZS660KL 1024GB".

ScoreWeight
ROG Phone II ZS660KL 1024GB44/100240.0g
Xiaomi Redmi K20 256GB54/100191.0g

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", 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 "ROG Phone II ZS660KL 1024GB" has a 6.59inch display. Also, the "Xiaomi Redmi K20 256GB" has a 6.39inch display. Comparing the screen size, there is a negligible difference in screen size between the "ROG Phone II ZS660KL 1024GB" and the "Xiaomi Redmi K20 256GB". 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
ROG Phone II ZS660KL 1024GB90/1006.59inch
Xiaomi Redmi K20 256GB90/1006.39inch

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", 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 "ROG Phone II ZS660KL 1024GB" is 1080 x 2340, and pixel density is 391ppi. Also, the resolution on the "Xiaomi Redmi K20 256GB" is 1080 x 2340, and pixel density is 403ppi. Comparing the pixel count, the difference in pixel density between the "ROG Phone II ZS660KL 1024GB" and the "Xiaomi Redmi K20 256GB" 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
ROG Phone II ZS660KL 1024GB82/100391ppi
Xiaomi Redmi K20 256GB84/100403ppi

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", 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 "ROG Phone II ZS660KL 1024GB" is 6000.0mAh, and the "Xiaomi Redmi K20 256GB" is 4000.0mAh. Regarding battery capacity, the "ROG Phone II ZS660KL 1024GB" has greater battery capacity than the "Xiaomi Redmi K20 256GB", with a 2000mAh difference. If battery is a priority, then the "ROG Phone II ZS660KL 1024GB" is recommended over the "Xiaomi Redmi K20 256GB".

ScoreBattery capacity
ROG Phone II ZS660KL 1024GB86/1006000.0mAh
Xiaomi Redmi K20 256GB80/1004000.0mAh

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", 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 "ROG Phone II ZS660KL 1024GB"'s CPU is a Qualcomm SM8150 Snapdragon 855+, with performance measured at 2.96GHz+2.42GHz+1.78GHz×8(8.0-cores). Also, the "Xiaomi Redmi K20 256GB"'s CPU is a Qualcomm SDM730 Snapdragon 730, with performance measured at 2.2GHz+1.8GHz×8(8.0-cores). Comparing CPU performance, the "ROG Phone II ZS660KL 1024GB" has higher specs compared to the "Xiaomi Redmi K20 256GB". For that reason, the "ROG Phone II ZS660KL 1024GB" allows for more comfortable use of apps, and games that run more smoothly. That's why we recommend the "ROG Phone II ZS660KL 1024GB" over the "Xiaomi Redmi K20 256GB".

ScoreCPU specs
ROG Phone II ZS660KL 1024GB98/1002.96GHz+2.42GHz+1.78GHz×8(8.0-cores)
Xiaomi Redmi K20 256GB92/1002.2GHz+1.8GHz×8(8.0-cores)

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", 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 "ROG Phone II ZS660KL 1024GB" is 12.0GB and the weight of the "Xiaomi Redmi K20 256GB" is 8.0GB. Comparing the devices in terms of RAM, the "ROG Phone II ZS660KL 1024GB" has more RAM than the "Xiaomi Redmi K20 256GB", with a difference of about 4GB. For that reason the "ROG Phone II ZS660KL 1024GB" allows for smoother multitasking than the "Xiaomi Redmi K20 256GB", and apps are less likely to crash. In addition the "ROG Phone II ZS660KL 1024GB" allows for smoother enjoyment of 3D games and VR. For this reason, we recommend the "ROG Phone II ZS660KL 1024GB".

ScoreRAM size
ROG Phone II ZS660KL 1024GB99/10012.0GB
Xiaomi Redmi K20 256GB93/1008.0GB

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", 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 "ROG Phone II ZS660KL 1024GB" is 1024.0GB. Also the "Xiaomi Redmi K20 256GB" is 256.0GB. Regarding storage capacity, the "ROG Phone II ZS660KL 1024GB" has a greater storage capacity compared to the "Xiaomi Redmi K20 256GB", with a roughly 768GB difference. As a result, the "ROG Phone II ZS660KL 1024GB" can take more pictures and videos, and have more applications installed, than the "Xiaomi Redmi K20 256GB". Therefore, we recommend the "ROG Phone II ZS660KL 1024GB".

ScoreStorage size
ROG Phone II ZS660KL 1024GB99/1001024.0GB
Xiaomi Redmi K20 256GB91/100256.0GB

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB" 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.

"ROG Phone II ZS660KL 1024GB" has a 48.0MP main camera. Also, "Xiaomi Redmi K20 256GB" has a 48.0MP main camera. Comparing rear camera performance, the "ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB" 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
ROG Phone II ZS660KL 1024GB97/10048.0MP
Xiaomi Redmi K20 256GB97/10048.0MP

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", 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.

"ROG Phone II ZS660KL 1024GB" has an 24.0MP front camera and "Xiaomi Redmi K20 256GB" has an 20.0MP front camera. Comparing rear camera performance, the front camera of the "ROG Phone II ZS660KL 1024GB" has a higher pixel count than the "Xiaomi Redmi K20 256GB", with a roughly 4MP difference. As a result, the "ROG Phone II ZS660KL 1024GB" is better able to take high quality selfies than the "Xiaomi Redmi K20 256GB", and the pictures will look cleaner when printed. Therefore, we recommend the "ROG Phone II ZS660KL 1024GB".

ScoreFront-camera resolution
ROG Phone II ZS660KL 1024GB86/10024.0MP
Xiaomi Redmi K20 256GB81/10020.0MP

"ROG Phone II ZS660KL 1024GB" and "Xiaomi Redmi K20 256GB", performance comparison by specification sheet

ROG Phone II ZS660KL 1024GBXiaomi Redmi K20 256GB
ImageROG Phone II ZS660KL 1024GBXiaomi Redmi K20 256GB
MakerAsusXiaomi
Release date2019-092019-06
ColorMatte Black/Glossy BlackCarbon black/Red flame/Glacier blue/Pearl White
OSAndroidAndroid
Dimensions (width x height x thickness)77.6mm x 171.0mm x 9.5mm74.3mm x 156.7mm x 8.8mm
Weight240.0g191.0g
Display size6.59inch6.39inch
Display typeAMOLEDSuper AMOLED
Screen resolution (width x height)1080 x 23401080 x 2340
Pixel density391ppi403ppi
Battery capacity6000.0mAh4000.0mAh
ChipsetQualcomm SM8150 Snapdragon 855+Qualcomm SDM730 Snapdragon 730
CPU specs2.96GHz+2.42GHz+1.78GHz×8(8.0-cores)2.2GHz+1.8GHz×8(8.0-cores)
RAM size12.0GB8.0GB
Storage size1024.0GB256.0GB
Rear-camera resolution48.0MP48.0MP
Front-camera resolution24.0MP20.0MP

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