Oppo A9 2020 Vs Galaxy A31: Which one to buy?

Oppo A9 2020 Vs Galaxy A31: Which one to buy?


If we face the Oppo A9 2020 Vs Galaxy A31, We will realize that in a good part of the design it has quite a few similarities, although in other areas it is where the differences come that make the balance opt for the OPPO or the Samsung.

We are talking about two mid-range terminals and, therefore, everything we talk about them must be well marked by the range to which both phones belong.

Oppo A9 2020 Vs Galaxy A31

If we look at the brands, today we are going to compare the smartphone brand par excellence such as Samsung with a company from China that, especially this year, have managed to launch such interesting and quality phones as the Oppo Find X2 Pro, a terminal that has nothing to envy a Galaxy S20 Ultra.

But today we have to face the Oppo A9 2020 Vs Galaxy A31, two terminals that show that both brands also know how to do things in this range.

Similar design, but with differences

Both terminals are made of plastic on the back, with very similar finishes, although we believe that the Oppo is somewhat better, and quite similar dimensions.

  • Oppo A9 2020: 163.6 x 75.6 x 9.1 mm and 195 grams of weight.
  • Samsung Galaxy A31: 159.3 x 73.1 x 8.6 mm and 185 grams of weight.

The front of the two devices is quite similar with a predominance of the screen, a lower frame thicker than the rest and a drop-type notch to house the front camera.

We tested the Galaxy A31 and we tell you our opinionWe tested the Galaxy A31 and we tell you our opinion

The Oppo A9 2020 Vs Galaxy A31 They differ at the rear both in the distribution of their cameras, since the Samsung follows its design line with a rectangular module located on the left side, while the Oppo opts for a smaller module located in the center of the rear. rear.

In addition, the Oppo has the fingerprint reader on this back, while the Samsung places it under the screen, a more modern and efficient situation from our point of view.

Oppo A9 2020 Vs Galaxy A31: screen

If we face the Oppo A9 2020 Vs Galaxy A31 Regarding the screen, the same thing will happen to us as with the design, that is, we will have similarities, but also differences that will be definitive for either of us to win in this section.

  • Oppo A9 2020: 6.5-inch IPS LCD panel, 82.5% from the front, 1,600 x 720 pixel resolution, 20: 9 aspect ratio and Gorilla Glass 5 protection.
  • Samsung Galaxy A31: 6.4-inch Super AMOLED panel, 84.9% from the front, 2,400 x 1,080 pixel resolution and 20: 9 aspect ratio.

Both screens look good and with sufficient quality, but we consider that AMOLED panels are above LCDs, no matter how well calibrated they are, so in this case we believe that the Samsung terminal is better, in addition to having a greater solution.

Hardware and software

If we compare inside the Oppo A9 2020 Vs Galaxy A31 we will realize that we continue in the same vein that we carry the entire article, since they are almost the same, but not quite.

The Oppo has as SoC the Qualcomm Snapdragon 665 while the South Korean model rides a MediaTek MT6768 Helio P65.

The Oppo is accompanied by 4 or 8 GB and 128 GB of internal storage expandable by means of a microSD card, while the Samsung has two versions of RAM such as 4 and 6 GB and the same storage as the Chinese terminal.

This means that the Oppo that when it comes to working in our day to day neither of us has an advantage, which denotes that in the hardware section we have a technical tie.

The software that Oppo mounts is Android 9 (will update to Android 10) adding the layer ColorOSwhereas the Samsung comes from the factory with Android 10 and its interface OneUI.

Now it is time for each one to decide whether to stay with ColorOs or OneUI, since both layers have room for improvement and in both terminals we noticed the odd failure in transitions and a very slight lag, caused because their interfaces are not yet as fluid as we could. wait.


In the photographic section, they are still extremely similar terminals, as if there were mutual marking between the Oppo A9 2020 Vs Galaxy A31.

  • Oppo A9 2020: 48 MP f / 1.8 + 8 MP f / 2.3 Ultra wide angle + 2 MP f / 2.4 + 2 MP f / 2.4 depth sensor.
  • Samsung Galaxy A31: 48 MP f / 2.0 + 8 MP f / 2.2 Ultra wide angle + 2 MP f / 2.4 macro sensor + 5 MP depth sensor and 2.4 focal length.
samsung galaxy a31 macro mode photo

At the photographic level we can consider another tie, since the similarity between the sensors is such that it is really difficult for us to choose one side or the other. If one terminal can have an advantage over the other, it is in the processing of the images where we believe that Samsung does better, but it is too little a difference to award a winner or a loser to either of the two smartphones.

Price and conclusions

Regarding the price, there is not a big difference in price between both terminals, since the Oppo A9 2020 places its official price at 269 euros, although it can be found cheaper in some offer, while the Samsung Galaxy A31 costs 263 euros.

The key question is which of the two we would stick with and being totally honest, we have trouble deciding between the two terminals, since they are extremely similar in most respects.

But if we have to choose one of the two, the winner would be the Samsung Galaxy A31 for small details such as having the fingerprint sensor under the screen, having a better processing of the photos, a higher quality screen and being a little lighter. Without a doubt, they are two good representatives of the best mobiles for less than 300 euros to buy in 2020.

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