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Should you buy vivo V20 2021 128GB or ROG Phone 3 ZS661KS 512GB? Compare the differences in functions and specifications/performances thoroughly

Created date: 2020-12-23 19:14:00

vivo V20 2021 128GBROG Phone 3 ZS661KS 512GB
vivo V20 2021 128GBROG Phone 3 ZS661KS 512GB

Are you having trouble comparing the differences in features and performance of the "vivo V20 2021 128GB" and "ROG Phone 3 ZS661KS 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.

vivo V20 2021 128GBROG Phone 3 ZS661KS 512GB
vivo V20 2021 128GB

ROG Phone 3 ZS661KS 512GB

General rating:
Portabilityrating-image3.3
65/100
rating-image2.7
53/100
Weightrating-image3.1
61/100
rating-image2.2
44/100
Size of screenrating-image4.5
90/100
rating-image4.5
90/100
Screen clarityrating-image4.3
85/100
rating-image4.1
82/100
Battery durationrating-image
- /100
rating-image4.3
86/100
Processing capabilityrating-image4.6
92/100
rating-image5.0
99/100
Memory capacityrating-image4.7
93/100
rating-image5.0
100/100
Storage capacityrating-image4.5
90/100
rating-image4.8
95/100
Rear camera functionrating-image5.0
100/100
rating-image5.0
100/100
Front camera functionrating-image5.0
100/100
rating-image4.3
86/100

Compare Performance and Usability

Size comparison of "vivo V20 2021 128GB" and "ROG Phone 3 ZS661KS 512GB". Which one would you choose?

Your device's size has a huge influence on how easy it is to hold or to operate with one hand. The smaller your device's width, the easier it will be to hold, but you'll also need to take device thickness into account. And when the length and width are both smaller, you'll find that it's much easier for you to operate it one-handed, since your fingers will find it much easier to reach where you want them to. On the other hand, longer lengths and wider widths might lead to devices that are hard to carry in your pocket, bulky even when you keep them in your bag, and all around less portable.

The "vivo V20 2021 128GB" is 74.2mm wide, 161.3mm tall, and 7.4mm thick. The "ROG Phone 3 ZS661KS 512GB" is 78.0mm tall, 171.0mm wide, and 9.9mm thick.

The "vivo V20 2021 128GB" is also more compact than the "ROG Phone 3 ZS661KS 512GB" in terms of the thickness of the devices. The "vivo V20 2021 128GB" is easier than the "ROG Phone 3 ZS661KS 512GB" to hold with one hand, and you are less likely to accidentally drop it. If you're looking for a smartphone that fits nicely in your hand and can be gripped firmly, we recommend buying the "vivo V20 2021 128GB" rather than the "ROG Phone 3 ZS661KS 512GB".

There is no real difference in length or width between the "vivo V20 2021 128GB" and "ROG Phone 3 ZS661KS 512GB", so they are both about the same in terms of usability, ease of carry, and bulkiness. Because of this, it is better to compare them based on other aspects of performance and function.

Comparing the overall size of the main unit, the "vivo V20 2021 128GB" is smaller than the "ROG Phone 3 ZS661KS 512GB". As a result, it is easier to use the "vivo V20 2021 128GB" with one hand compared to the "ROG Phone 3 ZS661KS 512GB", and its size makes it more comfortable to carry around. For this reason, the "vivo V20 2021 128GB" is recommended.

ScoreDimensions (width x height x thickness)
vivo V20 2021 128GB65/10074.2mm x 161.3mm x 7.4mm
ROG Phone 3 ZS661KS 512GB53/10078.0mm x 171.0mm x 9.9mm

Which one is easier to hold, "vivo V20 2021 128GB" or "ROG Phone 3 ZS661KS 512GB"? Compare weight

The device weight will effect how quickly you tire from holding it, and how much stress is put on your wrist. The lighter it is, the longer you can hold it without feeling tired. Also, less stress on your wrist will make using it easier and more pleasant. Unless the weight is right for you, it might put too much strain on your body and make using it more stressful.

The "vivo V20 2021 128GB" weighs 171.0g. The "ROG Phone 3 ZS661KS 512GB" clocks in at 240.0g. If you compare the weight of the two, the "vivo V20 2021 128GB" is a considerably lighter smartphone than the "ROG Phone 3 ZS661KS 512GB", with a difference of about 69g. Because of this, the "vivo V20 2021 128GB" puts less of a burden on the fingers and wrists than the "ROG Phone 3 ZS661KS 512GB". If you want a smartphone that won't tire your hands out even when using it for a long time, we recommend that you buy the "vivo V20 2021 128GB" rather than the "ROG Phone 3 ZS661KS 512GB".

ScoreWeight
vivo V20 2021 128GB61/100171.0g
ROG Phone 3 ZS661KS 512GB44/100240.0g

Which is better in terms of display, "vivo V20 2021 128GB" or "ROG Phone 3 ZS661KS 512GB"?

Screen size influences how well you can control your device, as well as how clear the display is. With a large screen, the text and buttons in apps will display large enough so you'll be less likely to accidentally tap the button next to the one you were aiming for. Plus, you'll be able to enjoy more high-impact visuals for games and movies.

The screen size on the "vivo V20 2021 128GB" is 6.44inch, and 6.59inch on the "ROG Phone 3 ZS661KS 512GB". The screens of the "vivo V20 2021 128GB" and "ROG Phone 3 ZS661KS 512GB" are roughly the same size, and so the ease of pressing app buttons are the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDisplay size
vivo V20 2021 128GB90/1006.44inch
ROG Phone 3 ZS661KS 512GB90/1006.59inch

Which one has a better display, "vivo V20 2021 128GB" or "ROG Phone 3 ZS661KS 512GB"?

Pixel density influences how nice your device's screen looks, with high pixel densities making screens look more beautiful, and letting you get more out of your games and movies. Plus, the nicer you screen looks, the less strain you'll be putting on your eyes, so you'll tend to be able to use your device for longer before your eyes get tired.

The screen on the "vivo V20 2021 128GB" has a 1080 x 2400 resolution and a pixel density of 408ppi. The "ROG Phone 3 ZS661KS 512GB", on the other hand, has a screen resolution of 1080 x 2340 and a pixel density of 391ppi. There is not much of a difference in the pixel resolutions of the "vivo V20 2021 128GB" and "ROG Phone 3 ZS661KS 512GB", so they are about the same in terms of clarity of image and gentleness on the eyes. For this reason it is better to compare them based on other aspects of performance and function.

ScorePixel density
vivo V20 2021 128GB85/100408ppi
ROG Phone 3 ZS661KS 512GB82/100391ppi

How is the battery duration of "vivo V20 2021 128GB" different from that of "ROG Phone 3 ZS661KS 512GB" ? See the differences

Battery performance has a big effect on the battery life of your device. However, a high battery capacity doesn't necessarily mean a long battery life. Rather, the rate of power consumption needs to be taken into consideration as well. The larger the screen and the higher the CPU performance, the higher the rate of power consumption on your battery.

ScoreBattery capacity
vivo V20 2021 128GB - /100
ROG Phone 3 ZS661KS 512GB86/1006000.0mAh

Which is better in terms of CPU function, "vivo V20 2021 128GB" or "ROG Phone 3 ZS661KS 512GB"?

Your CPU's speed will influence the processing power of the applications you run, and together with the number of cores in the CPU, as well as its clock frequency, will determine the processing power available for apps. The higher these performance factors, the smoother your games and apps will run. Conversely, if these factors are too low, your apps and games will be sluggish and struggle to run.

The "vivo V20 2021 128GB" is equipped with a Qualcomm SDM730 Snapdragon 730 processor, and its performance speed is 2.2GHz+1.8GHz×8(8.0-cores). The "ROG Phone 3 ZS661KS 512GB" uses an Qualcomm SM8250 Snapdragon 865+ CPU that performs at a speed of 3.1GHz+2.42GHz+1.8GHz×8(8.0-cores). Comparing their CPU performance, the "ROG Phone 3 ZS661KS 512GB" has higher specs than the "vivo V20 2021 128GB". For this reason, applications run better on the "ROG Phone 3 ZS661KS 512GB" compared to the "vivo V20 2021 128GB", and games run very smoothly. Therefore, the "ROG Phone 3 ZS661KS 512GB" is recommended.

ScoreCPU specs
vivo V20 2021 128GB92/1002.2GHz+1.8GHz×8(8.0-cores)
ROG Phone 3 ZS661KS 512GB99/1003.1GHz+2.42GHz+1.8GHz×8(8.0-cores)

How is "vivo V20 2021 128GB" different from "ROG Phone 3 ZS661KS 512GB" in terms of memory capacity?

Your device's multimedia performance and app stability are both influenced by the amount of memory it has available. The more memory, the more apps you can use simultaneously, while keeping everything stable and smooth. Plus, there'll be less chance of animations lagging or apps crashing. You also need to keep in mind that some games won't run at all if there's not enough memory available.

The "vivo V20 2021 128GB" has 8.0GB of memory. The "ROG Phone 3 ZS661KS 512GB", on the other hand, has 16.0GB. Comparing the memory performance, the "ROG Phone 3 ZS661KS 512GB" has a larger memory capacity than the "vivo V20 2021 128GB", with a difference of approximately 8GB. For this reason, multitasking is smoother on the "ROG Phone 3 ZS661KS 512GB" than the "vivo V20 2021 128GB", and applications are less likely to crash. Also, it is more enjoyable to play 3D games and VR on the "ROG Phone 3 ZS661KS 512GB". For this reason, the "ROG Phone 3 ZS661KS 512GB" is recommended.

ScoreRAM size
vivo V20 2021 128GB93/1008.0GB
ROG Phone 3 ZS661KS 512GB100/10016.0GB

Which has a better storage capacity, "vivo V20 2021 128GB" or "ROG Phone 3 ZS661KS 512GB"?

Storage capacity determines the amount of data you'll be able to save on your device. The more storage you have, the more photos you can take and the more apps you can install. Plus, if your smartphone is compatible with SD cards, then you can increase the amount of available storage. However, SD cards have a slower writespeed, making them less desirable in terms of performance, and users should be aware that it won't be possible to transfer all kinds of data to the card.

The "vivo V20 2021 128GB" has 128.0GB of storage, while the "ROG Phone 3 ZS661KS 512GB" has 512.0GB. There is no real difference between the "vivo V20 2021 128GB"and "ROG Phone 3 ZS661KS 512GB" 's ROMs and storage capacities, so both can store roughly the same amount of photographs and apps. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreStorage size
vivo V20 2021 128GB90/100128.0GB
ROG Phone 3 ZS661KS 512GB95/100512.0GB

Compare the rear cameras of "vivo V20 2021 128GB" and "ROG Phone 3 ZS661KS 512GB". Which one has better picture quality?

One factor in how well your rear camera (the camera on the back of your device) performs is its megapixel count. With a higher megapixel count, you'll be able to take photos with sharper detail, photos that stay clear and sharp even when printed.

The main camera on the "vivo V20 2021 128GB" has 64.0MP. The "ROG Phone 3 ZS661KS 512GB" has 64.0MP. The rear facing cameras of the "vivo V20 2021 128GB" and "ROG Phone 3 ZS661KS 512GB" have roughly the same performance, so the quality of the photograph and video footage they can capture is around the same. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRear-camera resolution
vivo V20 2021 128GB100/10064.0MP
ROG Phone 3 ZS661KS 512GB100/10064.0MP

Which has a front camera with better picture quality, "vivo V20 2021 128GB" or "ROG Phone 3 ZS661KS 512GB"?

One indication of how well your forward facing camera (the camera on the same side as your device's screen) performs is how many megapixels it has. More megapixels means you'll be able to take photos with sharper detail, that still look amazing printed out.

The forward-facing camera on the "vivo V20 2021 128GB" has a resolution of 44.0MP. The "ROG Phone 3 ZS661KS 512GB"'s has 24.0MP. The front-facing camera of the "vivo V20 2021 128GB" has a significantly higher number of pixels than the "ROG Phone 3 ZS661KS 512GB", with a difference of about 20MP. Therefore, the "vivo V20 2021 128GB" is more suitable for taking photos and videos than the "ROG Phone 3 ZS661KS 512GB". If you want to take and print high-quality selfies, we recommend buying the "vivo V20 2021 128GB" rather than the "ROG Phone 3 ZS661KS 512GB".

ScoreFront-camera resolution
vivo V20 2021 128GB100/10044.0MP
ROG Phone 3 ZS661KS 512GB86/10024.0MP

Compare Performance Specs

vivo V20 2021 128GBROG Phone 3 ZS661KS 512GB
Imagevivo V20 2021 128GBROG Phone 3 ZS661KS 512GB
MakervivoAsus
Release date2020-12-242020-08-22
ColorSunset Melody/Midnight JazzBlack Glare
OSAndroidAndroid
Dimensions (width x height x thickness)74.2mm x 161.3mm x 7.4mm78.0mm x 171.0mm x 9.9mm
Weight171.0g240.0g
Display size6.44inch6.59inch
Display typeAMOLEDAMOLED
Screen resolution (width x height)1080 x 24001080 x 2340
Pixel density408ppi391ppi
ChipsetQualcomm SDM730 Snapdragon 730Qualcomm SM8250 Snapdragon 865+
CPU specs2.2GHz+1.8GHz×8(8.0-cores)3.1GHz+2.42GHz+1.8GHz×8(8.0-cores)
RAM size8.0GB16.0GB
Storage size128.0GB512.0GB
Rear-camera resolution64.0MP64.0MP
Front-camera resolution44.0MP24.0MP

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