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Compare Oppo A31 (2020) 128GB vs OnePlus 2 (2015) 64GB

Created date: 2020-02-13 21:00:54, Updated date: 2020-04-16 19:16:06

Oppo A31 (2020) 128GBOnePlus 2 (2015) 64GB
Oppo A31 (2020) 128GBOnePlus 2 (2015) 64GB

Are you having trouble comparing the differences in features and performance of the "Oppo A31 (2020) 128GB" and "OnePlus 2 (2015) 64GB", 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.

Oppo A31 (2020) 128GBOnePlus 2 (2015) 64GB
Oppo A31 (2020) 128GB

OnePlus 2 (2015) 64GB

General rating:

63.2/100

(The 3634th of all smartphones)

64.2/100

(The 1178th of all smartphones)

Portability
61/100
59/100
Weight
58/100
60/100
Size of screen
90/100
82/100
Screen clarity
54/100
85/100
Battery duration
80/100
69/100
Processing capability
88/100
77/100
Memory capacity
70/100
70/100
Storage capacity
90/100
67/100
Rear camera function
59/100
61/100
Front camera function
58/100
50/100

Compare Performance and Usability

Size comparison of "Oppo A31 (2020) 128GB" and "OnePlus 2 (2015) 64GB". 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 "Oppo A31 (2020) 128GB" is 75.5mm wide, 163.9mm tall, and 8.3mm thick. The "OnePlus 2 (2015) 64GB" is 74.9mm tall, 151.8mm wide, and 9.9mm thick.

There is no real difference between the "Oppo A31 (2020) 128GB" and "OnePlus 2 (2015) 64GB" 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.

Comparing the width and height of the main unit, the "OnePlus 2 (2015) 64GB" is smaller and more compact than the "Oppo A31 (2020) 128GB". As a result, the "OnePlus 2 (2015) 64GB" is easier to operate with one hand and it is more portable without getting in your way than the "Oppo A31 (2020) 128GB". Therefore, the "OnePlus 2 (2015) 64GB" is recommended.

When comparing their sizes as a whole, there is no real difference between the "Oppo A31 (2020) 128GB"and "OnePlus 2 (2015) 64GB". 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)
Oppo A31 (2020) 128GB61/10075.5mm x 163.9mm x 8.3mm
OnePlus 2 (2015) 64GB59/10074.9mm x 151.8mm x 9.9mm

Which one is easier to hold, "Oppo A31 (2020) 128GB" or "OnePlus 2 (2015) 64GB"? 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 "Oppo A31 (2020) 128GB" weighs 180.0g. The "OnePlus 2 (2015) 64GB" clocks in at 175.0g. The "Oppo A31 (2020) 128GB" and "OnePlus 2 (2015) 64GB" have around the same weight, so prolonged use will tire out fingers nd wrists to around the same degree. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreWeight
Oppo A31 (2020) 128GB58/100180.0g
OnePlus 2 (2015) 64GB60/100175.0g

Which is better in terms of display, "Oppo A31 (2020) 128GB" or "OnePlus 2 (2015) 64GB"?

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 "Oppo A31 (2020) 128GB" is 6.5inch, and 5.5inch on the "OnePlus 2 (2015) 64GB". Comparing the size of the display and screen, the screen size of the "Oppo A31 (2020) 128GB" is larger than that of the "OnePlus 2 (2015) 64GB", with a difference of approximately 1inch. As a result, there will be unintended touches on the "Oppo A31 (2020) 128GB" compared to the "OnePlus 2 (2015) 64GB" and it is possible to enjoy games and videos on a large screen. For this reason, the "Oppo A31 (2020) 128GB" is recommended.

ScoreDisplay size
Oppo A31 (2020) 128GB90/1006.5inch
OnePlus 2 (2015) 64GB82/1005.5inch

Which one has a better display, "Oppo A31 (2020) 128GB" or "OnePlus 2 (2015) 64GB"?

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 "Oppo A31 (2020) 128GB" has a 720 x 1600 resolution and a pixel density of 269ppi. The "OnePlus 2 (2015) 64GB", on the other hand, has a screen resolution of 1080 x 1920 and a pixel density of 400ppi. Comparing the screen definition, the "OnePlus 2 (2015) 64GB" has a much higher pixel density than the "Oppo A31 (2020) 128GB", with a difference of about 131ppi. The screen on the "OnePlus 2 (2015) 64GB" is clear and crisp, and puts less strain on the eyes than that of the "Oppo A31 (2020) 128GB". If you want to choose a smartphone that is gentle on your eyes with a display that shows text and images clearly, we recommend that you buy the "OnePlus 2 (2015) 64GB" rather than the "Oppo A31 (2020) 128GB".

ScorePixel density
Oppo A31 (2020) 128GB54/100269ppi
OnePlus 2 (2015) 64GB85/100400ppi

How is the battery duration of "Oppo A31 (2020) 128GB" different from that of "OnePlus 2 (2015) 64GB" ? 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 "Oppo A31 (2020) 128GB" has a battery capacity of 4230.0mAh, while the "OnePlus 2 (2015) 64GB" has a 3300.0mAh battery. With regards to battery performance, the "Oppo A31 (2020) 128GB" has a substantially larger battery capacity than the "OnePlus 2 (2015) 64GB", with a difference of 930mAh. The "Oppo A31 (2020) 128GB" can be used without charging for a longer time than the "OnePlus 2 (2015) 64GB", so it can be used when out and about. If you want a smartphone with a longer-lasting battery, we recommend that you buy the "Oppo A31 (2020) 128GB" rather than the "OnePlus 2 (2015) 64GB".

ScoreBattery capacity
Oppo A31 (2020) 128GB80/1004230.0mAh
OnePlus 2 (2015) 64GB69/1003300.0mAh

Which is better in terms of CPU function, "Oppo A31 (2020) 128GB" or "OnePlus 2 (2015) 64GB"?

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 "Oppo A31 (2020) 128GB" is equipped with a Mediatek MT6765V/CB Helio P35 processor, and its performance speed is 2.3GHz+1.8GHz×8(8.0-cores). The "OnePlus 2 (2015) 64GB" uses an Qualcomm MSM8994 Snapdragon 810 CPU that performs at a speed of 1.82GHz+1.56GHz×8(8.0-cores). Comparing CPU performance, the "Oppo A31 (2020) 128GB" has significantly higher specs than the "OnePlus 2 (2015) 64GB". The "Oppo A31 (2020) 128GB" proves to be more advanced than the "OnePlus 2 (2015) 64GB" 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 "Oppo A31 (2020) 128GB" rather than the "OnePlus 2 (2015) 64GB".

ScoreCPU specs
Oppo A31 (2020) 128GB88/1002.3GHz+1.8GHz×8(8.0-cores)
OnePlus 2 (2015) 64GB77/1001.82GHz+1.56GHz×8(8.0-cores)

How is "Oppo A31 (2020) 128GB" different from "OnePlus 2 (2015) 64GB" 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 "Oppo A31 (2020) 128GB" has 4.0GB of memory. The "OnePlus 2 (2015) 64GB", on the other hand, has 4.0GB. Memory performance is roughly the same for both the "Oppo A31 (2020) 128GB" and "OnePlus 2 (2015) 64GB"; as a result, multitasking, playing 3D games, and using VR feels the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRAM size
Oppo A31 (2020) 128GB70/1004.0GB
OnePlus 2 (2015) 64GB70/1004.0GB

Which has a better storage capacity, "Oppo A31 (2020) 128GB" or "OnePlus 2 (2015) 64GB"?

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 "Oppo A31 (2020) 128GB" has 128.0GB of storage, while the "OnePlus 2 (2015) 64GB" has 64.0GB. In terms of ROM and data storage, the "Oppo A31 (2020) 128GB" has a much larger capacity than the "OnePlus 2 (2015) 64GB", with a difference of about 64GB. The "Oppo A31 (2020) 128GB" can save more photos and keep more apps installed than the "OnePlus 2 (2015) 64GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Oppo A31 (2020) 128GB" rather than the "OnePlus 2 (2015) 64GB".

ScoreStorage size
Oppo A31 (2020) 128GB90/100128.0GB
OnePlus 2 (2015) 64GB67/10064.0GB

Compare the rear cameras of "Oppo A31 (2020) 128GB" and "OnePlus 2 (2015) 64GB". 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 "Oppo A31 (2020) 128GB" has 12.0MP. The "OnePlus 2 (2015) 64GB" has 13.0MP. The rear facing cameras of the "Oppo A31 (2020) 128GB" and "OnePlus 2 (2015) 64GB" 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
Oppo A31 (2020) 128GB59/10012.0MP
OnePlus 2 (2015) 64GB61/10013.0MP

Which has a front camera with better picture quality, "Oppo A31 (2020) 128GB" or "OnePlus 2 (2015) 64GB"?

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 "Oppo A31 (2020) 128GB" has a resolution of 8.0MP. The "OnePlus 2 (2015) 64GB"'s has 5.0MP. Comparing the front-facing camera performance, the number of pixels of the front-facing camera on the "Oppo A31 (2020) 128GB" is higher than the "OnePlus 2 (2015) 64GB", with a difference of approximately 3MP. For this reason, it is possible to take higher quality selfies and make clear prints with the "Oppo A31 (2020) 128GB" than the "OnePlus 2 (2015) 64GB". Therefore, the "Oppo A31 (2020) 128GB" is recommended.

ScoreFront-camera resolution
Oppo A31 (2020) 128GB58/1008.0MP
OnePlus 2 (2015) 64GB50/1005.0MP

Compare Performance Specs

Oppo A31 (2020) 128GBOnePlus 2 (2015) 64GB
ImageOppo A31 (2020) 128GBOnePlus 2 (2015) 64GB
MakerOppoOnePlus
Release date2020-02-142015-07
ColorFantasy White/Mystery BlackSandstone Black
OSAndroidAndroid
Dimensions (width x height x thickness)75.5mm x 163.9mm x 8.3mm74.9mm x 151.8mm x 9.9mm
Weight180.0g175.0g
Display size6.5inch5.5inch
Display typeIPS LCDLTPS IPS LCD
Screen resolution (width x height)720 x 16001080 x 1920
Pixel density269ppi400ppi
Battery capacity4230.0mAh3300.0mAh
ChipsetMediatek MT6765V/CB Helio P35Qualcomm MSM8994 Snapdragon 810
CPU specs2.3GHz+1.8GHz×8(8.0-cores)1.82GHz+1.56GHz×8(8.0-cores)
RAM size4.0GB4.0GB
Storage size128.0GB64.0GB
Rear-camera resolution12.0MP13.0MP
Front-camera resolution8.0MP5.0MP

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