- Analysis by KJ David
A middle-class member of Samsung's M-series, the Galaxy M40's slight weak points include its 3500mAh battery power 
, which we consider so-so, at least compared to the 4000-4500mAh battery capacities offered by a few competing models with tantamount pros and cons. Also, we were expecting a slightly-faster engine than the M40's Snapdragon 675 2.2GHz + 1.7GHz eight-core chip , seeing that many octa-core-powered contenders that hit the market around the same time reach top speeds of over 2.5GHz. Its CPU, however, is coupled with 6GB's worth of RAM 
, which sounds like a solid facet, coming from a 2019 Q2 semi-high-end model.
Its biggest pro, however, can be found on the imaging department, in the form of a high-class triple-lens camera consisting of a 32-megapixel primary cam, a 5-megapixel Live Focus cam, and an 8-megapixel wide-angle cam that enables a 123-degree viewing angle. Its three-lens cam is capable of 8x digital zooming and 4K-2160p video-recording. It also delivers Samsung's screen sound technology , enabling its display to double up as a makeshift speaker.
Related: Best Camera Phones
Going back to its photography specs, the M40 features a 16-megapixel on-screen selfie camera sitting on a the left-hand corner of its display, eliminating the need for a display notch -- the absence of a front-firing LED flash seems like a minute con to us, though. Don't miss our list of the best smartphones for selfies here.
Heading over to its display, the M40 touts a 6.3-inch Infinity-O PLS-TFT screen with an FHD+ resolution of 2340 x 1080 pixels, which, around the time of this on-paper review, was somewhat the gold standard for semi-high-end Androids featured here on Phonerated. It has a high 91.8 percent screen to body ratio and a Gorilla cover glass. Also among its pros and cons are an NFC adapter for cashless mobile transactions as well as the combination of a fingerprint scanner and facial recognition for security.
All said, the Samsung Galaxy M40 ends up as a solid choice for mid-level Android shoppers eying a wide-screen photography-driven model.
On-paper Review score: 
The Galaxy M40 can record high-resolution (3840 x 2160 pixels) videos. Bravo! But we couldn't confirm whether it had an HDMI port or not. HDMI, which lets you connect to an HDTV, is not essential, but would be great on an HD phone.
- Suggested reading: The latest HDMI phone models
It's disappointing that we were not able to find information about its weight.
- Suggested reading: Photo gallery of the latest slim phones
It was among the earliest mid-level models to offer the screen sound technology, transforming its display into a makeshift speaker.
Its processor speed of Quad 2GHz (+ Quad 1.7GHz) with 8 cores is among the fastest in the current market.
- More on this: List of the latest octa-core smartphones
Use the Samsung Galaxy M40 to pay for goods (or other applications) at NFC-compatible stores
We are talking about an above-average screen, making it a phablet: 6.3 inches and a resolution of 2340 x 1080 pixels means about 15.1 square inches and an image sharpness of at least 409.09 dots per inch (DPI)!
The Galaxy M40 doesn't come with an included memory card but it has a slot for up to 512GB in memory expansion, which is convenient to store pictures and video clips shot with the included 32-megapixel (combined with an 8-megapixel wide-angle cam and a 5-megapixel Live Focus cam) camera.
A 32-megapixel (combined with an 8-megapixel wide-angle cam and a 5-megapixel Live Focus cam) camera offers a lot more pixels than most other phones.
The 16-megapixel selfie cam offers an above-average resolution.
** This phone is also known as: Samsung M40
*** These pros and cons are generated automatically based on our algorithm and the data we have on file for this cell phone. If you find a mistake, please let us know.
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