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Which should you buy, the ROG Phone 3 ZS661KS 512GB or Oppo F15 (2020) 128GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 2020-07-23 15:09:39

ROG Phone 3 ZS661KS 512GBOppo F15 (2020) 128GB
ROG Phone 3 ZS661KS 512GBOppo F15 (2020) 128GB

How did the evaluations between the "ROG Phone 3 ZS661KS 512GB" and "Oppo F15 (2020) 128GB" differ when we compared the two? We reviewed each of the most commonly scrutinized features. If you are thinking about which smartphone to get, check out this review immediately!

ROG Phone 3 ZS661KS 512GBOppo F15 (2020) 128GB
ROG Phone 3 ZS661KS 512GB

Oppo F15 (2020) 128GB

General rating:
Portabilityrating-image2.7
78.0mm x 171.0mm x 9.9mm
rating-image3.3
73.3mm x 160.2mm x 7.9mm
Weightrating-image2.2
240.0g
rating-image3.1
172.0g
Size of screenrating-image4.5
6.59inch
rating-image4.5
6.4inch
Screen clarityrating-image4.1
391ppi
rating-image4.3
411ppi
Battery durationrating-image4.3
6000.0mAh
rating-image4.0
4025.0mAh
Processing capabilityrating-image5.0
3.1GHz+2.42GHz+1.8GHz×8(8.0-cores)
rating-image4.6
2.1GHz+2.0GHz×8(8.0-cores)
Memory capacityrating-image5.0
16.0GB
rating-image4.7
8.0GB
Storage capacityrating-image4.8
512.0GB
rating-image4.5
128.0GB
Rear camera functionrating-image5.0
64.0MP
rating-image4.9
48.0MP
Front camera functionrating-image4.3
24.0MP
rating-image3.8
16.0MP

Compare Performance and Usability

Size comparison of "ROG Phone 3 ZS661KS 512GB" and "Oppo F15 (2020) 128GB". 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 "ROG Phone 3 ZS661KS 512GB" is 78.0mm wide, 171.0mm tall, and 9.9mm thick. The "Oppo F15 (2020) 128GB" is 73.3mm tall, 160.2mm wide, and 7.9mm thick.

The "Oppo F15 (2020) 128GB" is also more compact than the "ROG Phone 3 ZS661KS 512GB" in terms of the thickness of the devices. The "Oppo F15 (2020) 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 "Oppo F15 (2020) 128GB" rather than the "ROG Phone 3 ZS661KS 512GB".

There is no real difference in length or width between the "ROG Phone 3 ZS661KS 512GB" and "Oppo F15 (2020) 128GB", 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 "Oppo F15 (2020) 128GB" is smaller than the "ROG Phone 3 ZS661KS 512GB". As a result, it is easier to use the "Oppo F15 (2020) 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 "Oppo F15 (2020) 128GB" is recommended.

ScoreDimensions (width x height x thickness)
ROG Phone 3 ZS661KS 512GB53/10078.0mm x 171.0mm x 9.9mm
Oppo F15 (2020) 128GB65/10073.3mm x 160.2mm x 7.9mm

Which one is easier to hold, "ROG Phone 3 ZS661KS 512GB" or "Oppo F15 (2020) 128GB"? 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 "ROG Phone 3 ZS661KS 512GB" weighs 240.0g. The "Oppo F15 (2020) 128GB" clocks in at 172.0g. If you compare the weight of the two, the "Oppo F15 (2020) 128GB" is a considerably lighter smartphone than the "ROG Phone 3 ZS661KS 512GB", with a difference of about 68g. Because of this, the "Oppo F15 (2020) 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 "Oppo F15 (2020) 128GB" rather than the "ROG Phone 3 ZS661KS 512GB".

ScoreWeight
ROG Phone 3 ZS661KS 512GB44/100240.0g
Oppo F15 (2020) 128GB61/100172.0g

Which is better in terms of display, "ROG Phone 3 ZS661KS 512GB" or "Oppo F15 (2020) 128GB"?

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 "ROG Phone 3 ZS661KS 512GB" is 6.59inch, and 6.4inch on the "Oppo F15 (2020) 128GB". The screens of the "ROG Phone 3 ZS661KS 512GB" and "Oppo F15 (2020) 128GB" 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
ROG Phone 3 ZS661KS 512GB90/1006.59inch
Oppo F15 (2020) 128GB90/1006.4inch

Which one has a better display, "ROG Phone 3 ZS661KS 512GB" or "Oppo F15 (2020) 128GB"?

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 "ROG Phone 3 ZS661KS 512GB" has a 1080 x 2340 resolution and a pixel density of 391ppi. The "Oppo F15 (2020) 128GB", on the other hand, has a screen resolution of 1080 x 2400 and a pixel density of 411ppi. There is not much of a difference in the pixel resolutions of the "ROG Phone 3 ZS661KS 512GB" and "Oppo F15 (2020) 128GB", 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
ROG Phone 3 ZS661KS 512GB82/100391ppi
Oppo F15 (2020) 128GB85/100411ppi

How is the battery duration of "ROG Phone 3 ZS661KS 512GB" different from that of "Oppo F15 (2020) 128GB" ? 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.

The "ROG Phone 3 ZS661KS 512GB" has a battery capacity of 6000.0mAh, while the "Oppo F15 (2020) 128GB" has a 4025.0mAh battery. Regarding the battery performance, the "ROG Phone 3 ZS661KS 512GB" has a larger battery capacity than the "Oppo F15 (2020) 128GB", with a difference of 1975mAh. If you are choosing based on the battery, the "ROG Phone 3 ZS661KS 512GB" is recommended over the "Oppo F15 (2020) 128GB".

ScoreBattery capacity
ROG Phone 3 ZS661KS 512GB86/1006000.0mAh
Oppo F15 (2020) 128GB80/1004025.0mAh

Which is better in terms of CPU function, "ROG Phone 3 ZS661KS 512GB" or "Oppo F15 (2020) 128GB"?

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 "ROG Phone 3 ZS661KS 512GB" is equipped with a Qualcomm SM8250 Snapdragon 865+ processor, and its performance speed is 3.1GHz+2.42GHz+1.8GHz×8(8.0-cores). The "Oppo F15 (2020) 128GB" uses an Mediatek MT6771V Helio P70 CPU that performs at a speed of 2.1GHz+2.0GHz×8(8.0-cores). Comparing their CPU performance, the "ROG Phone 3 ZS661KS 512GB" has higher specs than the "Oppo F15 (2020) 128GB". For this reason, applications run better on the "ROG Phone 3 ZS661KS 512GB" compared to the "Oppo F15 (2020) 128GB", and games run very smoothly. Therefore, the "ROG Phone 3 ZS661KS 512GB" is recommended.

ScoreCPU specs
ROG Phone 3 ZS661KS 512GB99/1003.1GHz+2.42GHz+1.8GHz×8(8.0-cores)
Oppo F15 (2020) 128GB92/1002.1GHz+2.0GHz×8(8.0-cores)

How is "ROG Phone 3 ZS661KS 512GB" different from "Oppo F15 (2020) 128GB" 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 "ROG Phone 3 ZS661KS 512GB" has 16.0GB of memory. The "Oppo F15 (2020) 128GB", on the other hand, has 8.0GB. Comparing the memory performance, the "ROG Phone 3 ZS661KS 512GB" has a larger memory capacity than the "Oppo F15 (2020) 128GB", with a difference of approximately 8GB. For this reason, multitasking is smoother on the "ROG Phone 3 ZS661KS 512GB" than the "Oppo F15 (2020) 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
ROG Phone 3 ZS661KS 512GB100/10016.0GB
Oppo F15 (2020) 128GB93/1008.0GB

Which has a better storage capacity, "ROG Phone 3 ZS661KS 512GB" or "Oppo F15 (2020) 128GB"?

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 "ROG Phone 3 ZS661KS 512GB" has 512.0GB of storage, while the "Oppo F15 (2020) 128GB" has 128.0GB. There is no real difference between the "ROG Phone 3 ZS661KS 512GB"and "Oppo F15 (2020) 128GB" '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
ROG Phone 3 ZS661KS 512GB95/100512.0GB
Oppo F15 (2020) 128GB90/100128.0GB

Compare the rear cameras of "ROG Phone 3 ZS661KS 512GB" and "Oppo F15 (2020) 128GB". 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 "ROG Phone 3 ZS661KS 512GB" has 64.0MP. The "Oppo F15 (2020) 128GB" has 48.0MP. The rear facing cameras of the "ROG Phone 3 ZS661KS 512GB" and "Oppo F15 (2020) 128GB" 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
ROG Phone 3 ZS661KS 512GB100/10064.0MP
Oppo F15 (2020) 128GB97/10048.0MP

Which has a front camera with better picture quality, "ROG Phone 3 ZS661KS 512GB" or "Oppo F15 (2020) 128GB"?

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 "ROG Phone 3 ZS661KS 512GB" has a resolution of 24.0MP. The "Oppo F15 (2020) 128GB"'s has 16.0MP. The front-facing camera of the "ROG Phone 3 ZS661KS 512GB" has a significantly higher number of pixels than the "Oppo F15 (2020) 128GB", with a difference of about 8MP. Therefore, the "ROG Phone 3 ZS661KS 512GB" is more suitable for taking photos and videos than the "Oppo F15 (2020) 128GB". If you want to take and print high-quality selfies, we recommend buying the "ROG Phone 3 ZS661KS 512GB" rather than the "Oppo F15 (2020) 128GB".

ScoreFront-camera resolution
ROG Phone 3 ZS661KS 512GB86/10024.0MP
Oppo F15 (2020) 128GB75/10016.0MP

Compare Performance Specs

ROG Phone 3 ZS661KS 512GBOppo F15 (2020) 128GB
ImageROG Phone 3 ZS661KS 512GBOppo F15 (2020) 128GB
MakerAsusOppo
Release date2020-08-222020-01-16
ColorBlack GlareLightening Black/Unicorn White
OSAndroidAndroid
Dimensions (width x height x thickness)78.0mm x 171.0mm x 9.9mm73.3mm x 160.2mm x 7.9mm
Weight240.0g172.0g
Display size6.59inch6.4inch
Display typeAMOLEDAMOLED
Screen resolution (width x height)1080 x 23401080 x 2400
Pixel density391ppi411ppi
Battery capacity6000.0mAh4025.0mAh
ChipsetQualcomm SM8250 Snapdragon 865+Mediatek MT6771V Helio P70
CPU specs3.1GHz+2.42GHz+1.8GHz×8(8.0-cores)2.1GHz+2.0GHz×8(8.0-cores)
RAM size16.0GB8.0GB
Storage size512.0GB128.0GB
Rear-camera resolution64.0MP48.0MP
Front-camera resolution24.0MP16.0MP

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