- Analysis by KJ David
The Vivo NEX A is basically a slight downgrade over the original NEX (aka the NEX S) whose key difference from its base model is that it comes with a typical rear-mounted fingerprint reader, doing away with its sibling's innovative (around the time of this specs-driven review) in-display fingerprint sensor 
. Notwithstanding, it reminds us of some of the most-advanced phablets available by rocking a massive 6.6-inch OLED display with a 19.3:9 aspect ratio 
, although one that's tainted by a 1080p FHD+ definition (We expected a 1440p quality) and a mere 388ppi pixel density score .
The NEX A's cons also include a 2.2GHz + 1.7GHz Snapdragon 710 octa-core processor that's obviously less-auspicious than the NEX S's premium-tier 2.8GHz Snapdragon 845 chip, although it still manages to line up with some popular octa-core contenders. As for its accompanying RAM, we marked this NEX variant's 6GB RAM as a pro, despite it being a downgrade over its sibling's mammoth 8GB count, since only a handful of other 2018-released high-enders featured here at Phonerated offer the same capacity.
Luckily for the NEX A, it retains its base model's 4000mAh battery capacity , which, taking into consideration the aforementioned downgrades, could mean that it has a comparably-longer battery life span than the NEX S. Moreover, although it does not come with a memory card tray for storage expansion , its 128GB native memory sounds respectable.
Just like the higher-specked edition, the NEX A's most defining feature is its pop-out front-facing camera concept , which remove the need for a notch on its display -- ergo, thinner bezels. Sadly, its actual selfie cam suffers from a measly 8-megapixel raw pixel resolution , despite the fact that some of its wide-screen rivals also belong to our list of the best phones for selfies, touting flash-rigged selfie shooters that boast whopping 20-megapixel (or higher) resolutions.
Counteracting its unpromising front cam is the NEX A's 12- plus 5-megapixel dual rear camera whose imaging pros and cons are headlined by an Ultra HD/4K (2160p) video-recording mode and Portrait Bokeh . The NEX A also offers a Hi-Fi (high-fidelity) audio chipset and the Jovi mobile manager , which is the Vivo equivalent of personal mobile assistants like Google Assistant and Apple's Siri.
In review, the 2018 Vivo NEX A, with the pros and cons that it brings to the high-end table, is not as competitive as the NEX S when it comes to performance, but it offers a similar spacious notch-less display and a 4K-video-enabled dual camera.
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