We continue our week (and a new month) with another entry level comparison, this time we have the OPPO A3s vs Samsung Galaxy A21 comparison on our hands. 


Today’s comparison brings two entry level devices from different time periods to our table. Both smartphones are from different makers, with the OPPO A3s launching in July of 2018, while the Samsung Galaxy A21 launched in April of 2020. Both smartphones come under the spotlight today.

Let’s get straight into the thick of things and see what both entry-level smartphones have to offer us underneath their beautiful designs.


OPPO A3s vs Samsung Galaxy A21 Comparison Table

Here, we’ll take a much closer look at the specs on both sides, checking out what both devices really pack underneath.

OPPO A3s Samsung Galaxy A21
2G, 3G, 4G 2G, 3G, 4G
6.20 inches, 1520 × 720 pixels, 19:9 aspect ratio, IPS LCD display 6.55 inches, 1600 × 720 pixels, 20:9 aspect ratio, IPS LCD display
Android 8.1 Oreo + Color OS 5.1 Android 10 + One UI 2.0
Octa-core Qualcomm Snapdragon 450, 1.8GHz Octa-core MediaTek MT6765 Helio P35, 1.8GHz
8MP selfie camera 13MP selfie camera
13MP + 2MP dual rear cameras with LED flash 16MP + 8MP + 2MP + 2MP quad rear camera with LED flash
16/32GB internal storage + dedicated storage via microSD up to 128GB 32GB internal storage + dedicated storage via microSD up to 512GB
4,230mAh battery with 5W Standard Charge 4,000mAh battery with 15W Fast Charge
₦56,000/₦66,000 ₦95,250

OPPO A3s vs Samsung Galaxy A21: Where the A3s Has the Advantage

The A3s is a far cheaper option than its Samsung rival, costing about ₦30,000 less than the A21.

It boasts a bigger battery than the A21, while sharing the same RAM and onboard storage as its rival. The A3s supports 4G technology, meaning that it allows users enjoy faster data transfer speeds.

Oppo A3s specifications

OPPO A3s vs Samsung Galaxy A21: Where the A21 Has the Advantage

The A21 offers more external memory than its rival, with 512GB of free space for users to enjoy.

On the software front, it offers a newer Android version (Android 10 OS) that brings some of the latest security features all-round.

In the camera department, the A21 offers more rear cameras (with better sensor specs) than its rival, while a 13MP selfie camera takes care of video calls and selfies.

Oppo A3s vs Samsung Galaxy A21

OPPO A3s vs Samsung Galaxy A21: Which of These Devices Should You Pick?

Our comparison today has seen us bring two devices from separate time periods against each other. However, when it comes down to the big question, which of these smartphones should you go for?


The A3s is a decent smartphone with solid specs, enough onboard memory and external storage and the same RAM as its rival. It is far cheaper than the Samsung and should come in handy when you want to keep your expenses at a minimum.

The A21 is a wonderful option for users who want a better photography experience and more external storage. It has sufficient RAM, ample external and onboard storage space and a solid chipset that offers 4G support.

At the end of the day, the Samsung Galaxy A21 offers the better specs and understandably wins this duel. Although it is far more expensive than its rival on the day, its advanced specs alongside the newer Android OS see it take the day.


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