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Xiaomi Mi 9 Explorer 256GB vs Oppo A3 (2018) 128GB

Created date: 2019-02-21 06:17:10, Updated date: 2020-04-16 20:06:37

Xiaomi Mi 9 Explorer 256GBOppo A3 (2018) 128GB
Xiaomi Mi 9 Explorer 256GBOppo A3 (2018) 128GB

Are you having trouble comparing the differences in features and performance of the "Xiaomi Mi 9 Explorer 256GB" and "Oppo A3 (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 Mi 9 Explorer 256GBOppo A3 (2018) 128GB
Xiaomi Mi 9 Explorer 256GB

Oppo A3 (2018) 128GB

General rating:

79.1/100

(The 3058th of all smartphones)

72.3/100

(The 3394th of all smartphones)

Portability
63/100
62/100
Weight
61/100
66/100
Size of screen
90/100
90/100
Screen clarity
84/100
85/100
Battery duration
69/100
71/100
Processing capability
98/100
85/100
Memory capacity
99/100
70/100
Storage capacity
91/100
90/100
Rear camera function
97/100
68/100
Front camera function
81/100
58/100

Compare Performance and Usability

Size comparison of "Xiaomi Mi 9 Explorer 256GB" and "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" is 74.7mm wide, 157.5mm tall, and 7.6mm thick. The "Oppo A3 (2018) 128GB" is 75.3mm tall, 156.0mm wide, and 7.8mm thick.

There is no real difference between the "Xiaomi Mi 9 Explorer 256GB" and "Oppo A3 (2018) 128GB" when comparing their width, thickness, and slimness; they are both around the same in terms of one-handed ease of use and carry. Because of this, it is better to compare them based on other aspects of performance and function.

There is no real difference in length or width between the "Xiaomi Mi 9 Explorer 256GB" and "Oppo A3 (2018) 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.

When comparing their sizes as a whole, there is no real difference between the "Xiaomi Mi 9 Explorer 256GB"and "Oppo A3 (2018) 128GB". Thus they are roughly the same in terms of ease of carry and one-handed use. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreDimensions (width x height x thickness)
Xiaomi Mi 9 Explorer 256GB63/10074.7mm x 157.5mm x 7.6mm
Oppo A3 (2018) 128GB62/10075.3mm x 156.0mm x 7.8mm

Which one is easier to hold, "Xiaomi Mi 9 Explorer 256GB" or "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" weighs 173.0g. The "Oppo A3 (2018) 128GB" clocks in at 159.0g. Comparing the weight of the main unit, the "Oppo A3 (2018) 128GB" is a lighter phone than the "Xiaomi Mi 9 Explorer 256GB", with a difference of approximately 14g. Therefore, there is less strain on your fingers and wrists even when you use your phone for a long time on the "Oppo A3 (2018) 128GB" compared to the "Xiaomi Mi 9 Explorer 256GB". For this reason, the "Oppo A3 (2018) 128GB" is recommended.

ScoreWeight
Xiaomi Mi 9 Explorer 256GB61/100173.0g
Oppo A3 (2018) 128GB66/100159.0g

Which is better in terms of display, "Xiaomi Mi 9 Explorer 256GB" or "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" is 6.39inch, and 6.2inch on the "Oppo A3 (2018) 128GB". The screens of the "Xiaomi Mi 9 Explorer 256GB" and "Oppo A3 (2018) 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
Xiaomi Mi 9 Explorer 256GB90/1006.39inch
Oppo A3 (2018) 128GB90/1006.2inch

Which one has a better display, "Xiaomi Mi 9 Explorer 256GB" or "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" has a 1080 x 2340 resolution and a pixel density of 403ppi. The "Oppo A3 (2018) 128GB", on the other hand, has a screen resolution of 1080 x 2280 and a pixel density of 406ppi. There is not much of a difference in the pixel resolutions of the "Xiaomi Mi 9 Explorer 256GB" and "Oppo A3 (2018) 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
Xiaomi Mi 9 Explorer 256GB84/100403ppi
Oppo A3 (2018) 128GB85/100406ppi

How is the battery duration of "Xiaomi Mi 9 Explorer 256GB" different from that of "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" has a battery capacity of 3300.0mAh, while the "Oppo A3 (2018) 128GB" has a 3400.0mAh battery. The batteries of both the "Xiaomi Mi 9 Explorer 256GB" and "Oppo A3 (2018) 128GB" perform to the same extent. There is also no difference in the battery capacities of the "Xiaomi Mi 9 Explorer 256GB" and the "Oppo A3 (2018) 128GB". Since their battery life is practically identical, it would be better to compare them based on other aspects of performance and function.

ScoreBattery capacity
Xiaomi Mi 9 Explorer 256GB69/1003300.0mAh
Oppo A3 (2018) 128GB71/1003400.0mAh

Which is better in terms of CPU function, "Xiaomi Mi 9 Explorer 256GB" or "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" is equipped with a Qualcomm SM8150 Snapdragon 855 processor, and its performance speed is 2.84GHz+2.42GHz+1.78GHz×8(8.0-cores). The "Oppo A3 (2018) 128GB" uses an Mediatek MT6771 Helio P60 CPU that performs at a speed of 2.0GHz+2.0GHz×8(8.0-cores). Comparing CPU performance, the "Xiaomi Mi 9 Explorer 256GB" has significantly higher specs than the "Oppo A3 (2018) 128GB". The "Xiaomi Mi 9 Explorer 256GB" proves to be more advanced than the "Oppo A3 (2018) 128GB" in the way that apps run quickly and games play smoothly. If you're looking for a high-spec smartphone that runs quickly and plays games smoothly, we recommend that you buy the "Xiaomi Mi 9 Explorer 256GB" rather than the "Oppo A3 (2018) 128GB".

ScoreCPU specs
Xiaomi Mi 9 Explorer 256GB98/1002.84GHz+2.42GHz+1.78GHz×8(8.0-cores)
Oppo A3 (2018) 128GB85/1002.0GHz+2.0GHz×8(8.0-cores)

How is "Xiaomi Mi 9 Explorer 256GB" different from "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" has 12.0GB of memory. The "Oppo A3 (2018) 128GB", on the other hand, has 4.0GB. As for memory performance, the "Xiaomi Mi 9 Explorer 256GB" has a larger memory capacity than the "Oppo A3 (2018) 128GB", with a difference of about 8GB. The "Xiaomi Mi 9 Explorer 256GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Oppo A3 (2018) 128GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "Xiaomi Mi 9 Explorer 256GB" rather than the "Oppo A3 (2018) 128GB".

ScoreRAM size
Xiaomi Mi 9 Explorer 256GB99/10012.0GB
Oppo A3 (2018) 128GB70/1004.0GB

Which has a better storage capacity, "Xiaomi Mi 9 Explorer 256GB" or "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" has 256.0GB of storage, while the "Oppo A3 (2018) 128GB" has 128.0GB. There is no real difference between the "Xiaomi Mi 9 Explorer 256GB"and "Oppo A3 (2018) 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
Xiaomi Mi 9 Explorer 256GB91/100256.0GB
Oppo A3 (2018) 128GB90/100128.0GB

Compare the rear cameras of "Xiaomi Mi 9 Explorer 256GB" and "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" has 48.0MP. The "Oppo A3 (2018) 128GB" has 16.0MP. The rear-facing camera of the "Xiaomi Mi 9 Explorer 256GB" also has a higher pixel count than the "Oppo A3 (2018) 128GB", with a difference of about 32MP. The "Xiaomi Mi 9 Explorer 256GB" is more capable than the "Oppo A3 (2018) 128GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "Xiaomi Mi 9 Explorer 256GB" rather than the "Oppo A3 (2018) 128GB".

ScoreRear-camera resolution
Xiaomi Mi 9 Explorer 256GB97/10048.0MP
Oppo A3 (2018) 128GB68/10016.0MP

Which has a front camera with better picture quality, "Xiaomi Mi 9 Explorer 256GB" or "Oppo A3 (2018) 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 "Xiaomi Mi 9 Explorer 256GB" has a resolution of 20.0MP. The "Oppo A3 (2018) 128GB"'s has 8.0MP. The front-facing camera of the "Xiaomi Mi 9 Explorer 256GB" has a significantly higher number of pixels than the "Oppo A3 (2018) 128GB", with a difference of about 12MP. Therefore, the "Xiaomi Mi 9 Explorer 256GB" is more suitable for taking photos and videos than the "Oppo A3 (2018) 128GB". If you want to take and print high-quality selfies, we recommend buying the "Xiaomi Mi 9 Explorer 256GB" rather than the "Oppo A3 (2018) 128GB".

ScoreFront-camera resolution
Xiaomi Mi 9 Explorer 256GB81/10020.0MP
Oppo A3 (2018) 128GB58/1008.0MP

Compare Performance Specs

Xiaomi Mi 9 Explorer 256GBOppo A3 (2018) 128GB
ImageXiaomi Mi 9 Explorer 256GBOppo A3 (2018) 128GB
MakerXiaomiOppo
Release date2019-062018-05
ColorTransparent BlackKnight Black/Soybean Meal/Stardust Silver/Garnet Red
OSAndroidAndroid
Dimensions (width x height x thickness)74.7mm x 157.5mm x 7.6mm75.3mm x 156.0mm x 7.8mm
Weight173.0g159.0g
Display size6.39inch6.2inch
Display typeSuper AMOLEDLTPS IPS LCD
Screen resolution (width x height)1080 x 23401080 x 2280
Pixel density403ppi406ppi
Battery capacity3300.0mAh3400.0mAh
ChipsetQualcomm SM8150 Snapdragon 855Mediatek MT6771 Helio P60
CPU specs2.84GHz+2.42GHz+1.78GHz×8(8.0-cores)2.0GHz+2.0GHz×8(8.0-cores)
RAM size12.0GB4.0GB
Storage size256.0GB128.0GB
Rear-camera resolution48.0MP16.0MP
Front-camera resolution20.0MP8.0MP

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