Asus Zenfone Zoom ZX551ML
Specifications

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Average of 11 scores (from 17 reviews)
Reviews for the Asus Zenfone Zoom ZX551ML
Source: Engadget

Before I started using the ZenFone Zoom, I was hesitant: Isn't its single standout feature just a big gimmick? The answer is a pretty resounding no. ASUS has put together a pretty impressive bit of zooming machinery here; it was the sensor itself I should have been more concerned about.
Single Review, online available, Long, Date: 03/26/2016
Source: Techradar

If optical zoom in a smartphone appeals to you, your options are limited. At that, the Asus ZenFone Zoom is currently your best bet. There are a few more reasons to enjoy this souped-up camera phone, but with it, also come some frustrating design choices that get in the way of a breezy user experience.
Single Review, online available, Very Long, Date: 03/05/2016
Rating: Total score: 60%
Source: Techtree.com

Despite all this though, the aperture isn't wide enough and the indoor images in low light don't come out in as high quality as those from the Galaxy flagships or the iPhone. Yes, maybe about three fourths as good and that's about what the price of the Zenfone Zoom is at Rs.37,999, which somehow still feels a bit much.
Single Review, online available, Very Short, Date: 02/26/2016
Rating: Total score: 80%
Source: Pocketnow

There’s a market for every device, but the ZenFone Zoom is a niche of a niche. The consumer here needs to care enough about photo features to value the zoom, but isn’t as discerning when it comes to photo and video output. Otherwise, there are a number of devices around this price point which can outperform the ZenFone, or cheaper devices that can hang with it.
Single Review, online available, Medium, Date: 02/26/2016
Rating: Total score: 70% features: 60%
Source: Hot Hardware

There's clearly demand for smartphones with outstanding image quality. Ask any average owner if they'd stick with their current phone should the camera stop working, and you'll find that most would not. The camera is arguably as essential as making calls for most smartphone users, and the ZenFone Zoom seeks to give the camera some special treatment and tangible benefits.
Single Review, online available, Long, Date: 02/24/2016
Source: Tech2.in.com

Still then, in terms of ease of use and clarity of the camera Asus needs to work on the Auto mode to help it deliver better images; something that can be resolved in future software updates. Let’s face it, not every one likes tinkering around with the manual modes. Coming to the competition, there is plenty and yes, they do a better job.
Single Review, online available, Very Long, Date: 02/12/2016
Rating: Total score: 75% performance: 75% features: 80% display: 75% mobility: 65% workmanship: 80%
Source: PC Mag

At $399, the ZenFone Zoom doesn't offer a big performance boost over the ZenFone 2 or the ZenFone Laser, and it's a good deal more expensive. For the same price, you can pick up Moto X Pure or the Nexus 6P, both of which offer sharper displays, 4K video capture, and the latest Android software. And if you simply want the best camera on an Android phone, you can opt for the Panasonic CM1 (now selling at a steep discount) or the LG V10. And if you're looking to save some money, both the ZenFone 2 and ZenFone Laser remain solid options, albeit without the optical zoom.
Single Review, online available, Short, Date: 02/11/2016
Rating: Total score: 60%
Source: NDTV Gadgets

It's a very innovative idea, no doubt, but we feel that having a larger sensor capable of producing better image quality is a better substitute, as you can simply crop and enlarge the image with little loss in quality. The ZenFone Zoom is not Asus's current flagship; it seems to be more of a one-off attempt to inject something fresh into the company's lineup before the next generation arrives.
Single Review, online available, Long, Date: 02/05/2016
Rating: Total score: 70% price: 60% performance: 80% display: 70% mobility: 60% workmanship: 80%
Source: Phone Arena

Asus established itself as a formidable competitor in the mid-range segment with the introduction and release of its ZenFone 2 last year. Since that time, they've diversified its ZenFone line with an assortment of variants – including this latest one in the ZenFone Zoom. Despite the camera-centric approach, the phone feels a bit underwhelming at the end of the day, partially because it is launching a whole year after its announcement.
Single Review, online available, Long, Date: 02/03/2016
Rating: Total score: 70%
Source: Androidbeat

So – the Zenfone Zoom is big, heavy, bulky and bloated with applications. And its LTE may not suit everyone. But despite all this, it’s capacious, powerful and it does have a USP, a Unique Selling Point, that lifts it from the Android mainstream. If, like me, your phone has to be your always-with-you-camera and if you find yourself wanting to add zoom into many daily shots, to get up ‘closer’ with your subjects, then this is definitely worth considering, warts and all.
Single Review, online available, Medium, Date: 02/02/2016
Source: Think Digit

The Asus Zenfone Zoom may have an optical zoom camera, but the image quality isn't worth Rs. 37,999. It's basically a Zenfone 2 with optical zoom, which doesn't make sense at this price range.
Single Review, online available, Very Short, Date: 02/01/2016
Rating: Total score: 69%
Foreign Reviews
Source: Android Mag

Single Review, online available, Short, Date: 07/16/2016
Source: Xataka

Single Review, online available, Very Long, Date: 10/21/2016
Rating: Total score: 75% performance: 85% display: 75% mobility: 85% workmanship: 70%
Source: Lupo Kkio

Single Review, online available, Long, Date: 07/23/2016
Rating: Total score: 71% display: 75% mobility: 75% ergonomy: 60%
Source: Tecnoandroid.it

Single Review, online available, Long, Date: 06/16/2016
Rating: Total score: 76% features: 80% mobility: 80% workmanship: 70%
Source: Pianeta Cellulare

Positive: Powerful hardware; excellent display; decent cameras. Negative: Short battery life.
Single Review, online available, Long, Date: 10/06/2016
Source: Android.com.pl

Positive: Good cameras; long battery life. Negative: Mediocre case; relatively high price.
Single Review, online available, Short, Date: 09/14/2016
Comment
Imagination PowerVR G6430: Multi core (4 cluster) graphics card for ARM processors that supports OpenGL 4.x and ES 3.0
Only some 3D games with very low demands are playable with these cards.
» Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.
Intel Atom: The Intel Atom series is a 64-Bit (not every model supports 64bit) microprocessor for cheap and small notebooks (so called netbooks), MIDs, or UMPCs. The speciality of the new architecture is the "in order" execution (instead of the usual and faster "out of order" execution). Therefore, the transistor count of the Atom series is much lower and, thus, cheaper to produce. Furthermore, the power consumption is very low. The performance per Megahertz is therfore worse than the old Pentium 3M (1,2 GHz on par with a 1.6 GHz Atom).
Z3580: Quad-core SoC for smartphones and tablets. Clocked at up to 2.33 GHz and integrates a DirectX-11-capable PowerVR/IMG GPU.» Further information can be found in our Comparison of Mobile Processsors.
5.50":
This display is quite big for a smartphone but frequently used for smartphones.
Large display-sizes allow higher resolutions. So, details like letters are bigger. On the other hand, the power consumption is lower with small screen diagonals and the devices are smaller, more lightweight and cheaper.
» To find out how fine a display is, see our DPI List.0.185 kg:
Only few smartphones are more lightweight than this.
Asus: ASUSTeK Computer Incorporated, a Taiwanese multinational company, produces motherboards, graphics cards, optical drives, PDAs, computer monitors, notebook computers, servers, networking products, mobile phones, computer cases, computer components, and computer cooling systems. The company's 2007 revenues reached US$6.9 billion. ASUS also produces components for other manufacturers. The Eee PC initiated the netbook boom in 2008.
In the notebook sector, Asus had a global market share of about 11% from 2014-2016, making it the fourth largest laptop manufacturer. In the smartphone sector, Asus is not among the Top 5 and has only a small market share (as of 2016).
70.55%: This rating is bad. Most notebooks are better rated. This is not a recommendation for purchase.
» Further information can be found in our Notebook Purchase Guide.