- Analysis by KJ David
Initially launched in India, the middle-class Samsung Galaxy J7 Duo misses out on a high-end seat when it comes to raw processing power, sticking to a 1.6GHz 7-series Exynos eight-core processor , despite a lot of its octa-core rivals running on chips clocked at more than 2GHz. Its not-so-appealing specs also include a 5.5-inch Super AMOLED display that settles for an HD (1280 x 720) resolution only , passing up on a Full HD (1080p) sharpness that was no longer that rare in this Android category as we were reviewing its technical pros and cons.
Shrugging those weaknesses aside, the J7 Duo takes its name from the dual-lens camera perched on its rear end, consisting of a 13-megapixel primary lens and a 5-megapixel deputy lens for things like background blurring and post-shot refocusing -- dual cameras were quite popular among the best photography smartphones as of this on-paper analysis. Its 8-megapixel front camera, which would wind up as a slight con in terms of raw pixel resolution , is also spiced up by a front-firing LED flash . Both its rear and front cameras have f/1.9 apertures.
The J7 Duo's pros also include a 32GB internal memory that can be expanded by a maximum of 256GB -- not a common sight in the mid-end market, at least as of its April 2018 entry. We also found its 4GB RAM hearty-enough, relative to its inauspicious processor. Also joining in is the combination of fingerprint-based authentication (using the sensor implanted into its home button) and facial recognition , which was quite a trendy security facet among mid-end smartphones when it came out.
The aforementioned pros and cons are powered by a 3000mAh battery that although won't turn any heads when compared to the best big-battery phones in terms of raw power capacity, could still appeal to stamina-cautious shoppers with self-attributed scores like a 20-hour talk time (1200 minutes) and a 66-hour maximum music playback time under its belt. Signature Samsung perks like the Samsung Pay Mini mobile wallet application and Samsung Mall (with Visual Search) are on board as well.
With the Android 8.0 Oreo OS tying its feature set together, the Galaxy J7 Duo is an addition to Samsung's mid-range Galaxy J lineup geared towards users who prioritize imaging and multitasking above anything else.
** This phone is also known as: Samsung J7 Duo, Samsung SM-J720
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