- Analysis by KJ David
Although it looks like the original A3 from up front, still rocking a large 6.2-inch screen with a 19:9 aspect ratio 
, the Oppo A3s is definitely a lower-ranking version when it comes to technical pros and cons, reducing the original phablet's 1080p FHD+ display to a mere 1520 x 720 HD+ quality 
. By the way, don't forget to check out some of the best wide-screen smartphones here.
Also among its drawbacks is the absence of NFC (Near Field Communication) compatibility , which we consider a highly-questionable con, since NFC was already considered a must-have smartphone facet as of this specs-driven review. It also lacks a fingerprint sensor , just like its A3 big brother, but it does offer a Face Unlock function through its 8-megapixel selfie camera, which, incidentally, delivers the AI Beauty 2.0 software that analyzes the subject's facial pattern and applies the suitable set of enhancements.
Its real pro over the A3, however, comes in the form of its robust 4230mAh battery that obviously makes it sound benevolent compared to its mother model, which packs a 3400mAh-only cell. Also, although not quite head-turning, its raw power cap reminds us of some of the best heavy-duty smartphones listed here at Phonerated.
Joining its pros and cons is a dual-rear camera setup , although not a very competitive one, consisting of a 13-megapixel primary lens and a 2-megapixel deputy lens for depth-of-field analysis. The A3s drops from the A3's 128GB maximum internal memory down to only 32GB (or 16GB, depending on the variant) , but it still comes with a dedicated microSD card slot alongside dual nano SIM card trays.
As for performance, the A3s runs on a 14nm Snapdragon 450 eight-core 1.8GHz engine that sounds tolerable, relative to the rest of its features, but obviously cannot hold a candle to those of the best octa-core phones available, many of which have eight-core engines that clock in at more than 2GHz. It is accompanied by no more than 3GB of RAM and an Adreno 506 graphics processor.
The A3s loses its base model's diamond-like design , but its glossy finish as well as Red and Dark Purple color options don't sound too shabby. It runs on the Android-based ColorOS 5.1 platform, topping it off as a viable choice for shoppers seeking a large-screen, high-stamina mid-ranger.
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