BARCELONA, ESP – Today ASUS is launching a smartphone that is designed, according to the speaker at our prebriefing, to make it look like the user is holding an iPhone X. The new ASUS ZenFone 5, part of the ZenFone 5 family, comes with a notch. Apparently this is what the company says that its customers want: the ability to look as if you have an iPhone X, but have something else.

Aside from the notch, ASUS’ ZenFone 5 launch today actually comprises of three different devices: the ZenFone 5, the ZenFone 5 Lite (called the ZenFone 5Q in most of the world) and the ZenFone 5Z. We were given a pre-brief of the first two devices, with the flagship ZenFone 5Z only being revealed at the press event at Mobile World Congress.

The ZenFone 5

The Zenfone 5 Family
  Zenfone 5 Lite Zenfone 5 Zenfone 5z
SoC Snapdragon 430
Snapdragon 630
Snapdragon 636 Snapdragon 845
4x Kryo 385 @ 2.8GHz
4x Kryo 385 @ 1.77GHz
Adreno 630
Display 6-inch 2160x1080 (18:9)
6.2-inch 2246x1080 (19:9)
Dimensions ? x ? x ? mm
168.3 grams
? x ? x ? mm
155 grams
NAND 32/64GB 32/64GB 32/64GB
Battery 3300 mAh
Front Camera 20MP Sony IMX376

Secondary 120° wide angle module
8MP f/2.0
Primary Rear Camera 16MP
12MP 1.4µm Sony IMX363
83° FoV / 24mm equivalent
Secondary Rear Camera 120° wide-angle module
SIM Size Dual NanoSIM + microSD NanoSIM + NanoSIM/microSD
Connectivity microUSB 2.0 USB Type-C
Launch OS Android 8.0 with ZenUI 5
Price + 
From 479 EUR

ASUS’ history with the ZenFone family has gone through highs and lows, from the ever popular ZenFone 2 through to the mass of dozens of ZenFone 3 variants that were difficult to keep track of. For ZF5 ASUS is sticking to three, and the standard ZF5 is set to sit in the middle of that stack. Despite sitting in the middle, ASUS was keen to point out some of the high profile features.

The display specifications involve a 6.2-inch display, listed as a 19:9 aspect ratio, and a Full-HD+ resolution (2160x1080). ASUS is quoting 500 nits of brightness, a 1500:1 contrast ratio, and support 100% of the DCI-P3 color space. The display also comes with Glove Touch support, which can be enabled through the settings. ASUS has supposedly implemented AI here, as part of its AI strategy, such that the system can use an onboard RGB sensor and apply screen color/brightness adjustments to react to ambient lighting. We were told that this goes beyond just regular brightness and dimming in bright light, but when pressed, we were told that this ‘artificial intelligence’ feature was not based on any form of machine learning. More on this later.

Aside from the display, ASUS wanted to highlight its camera solution. The handset has a dual rear camera setup, with the second camera being a wide-angle lens. The main rear camera is a 12MP Sony IMX363 sensor, with an f/1.8 aperture, 1.4 micron pixels, and OIS/EIS. The secondary rear camera is just listed as an 8MP unit with F/2.2 aperture and a 120-degree field of view. Underneath is a fingerprint sensor.

The rear cameras are combined with machine learning software, which will detect up to 16 different scenes and objects, including people, food, snow, stage, flowers, text, and others. The system will apply a series of color saturation, white balance, exposure, and sharpness/noise adjustments to the camera settings to provide a better shot.

On top of helping with taking shots, this AI is going to be combined with another AI related to photo learning. For post processing, the system will offer a number of suggested edits to the picture, and ask the user if they want to accept the changes. Over time the idea is that the system will understand the preferred settings of each user for each different type of scene and use them to help manage the pre-shot AI.

The front facing camera is an 8MP unit as well, but with f/2.0 aperture. This camera will be used for ASUS’ Face Unlock feature, which was explained as being important for environments that use gloves a lot (our presenter was based in the Nordic countries).

On the SoC side, the ZF5 is using a Qualcomm Snapdragon 636 processor, which has eight Kryo 260 cores running at 1.8 GHz, built on Samsung’s 14LPP process, and with Adreno 509 graphics. This SoC will be paired with up to 6 GB of LPDDR4X, and up to 128 GB of storage.

ASUS was keen to point out the audio functionality, with dual NXP9874 smart amps in place – one for each speaker. The effect in person over the previous ZenFone 4, and some other flagship devices, was substantial for speakers in a regular position for a smartphone. ASUS also stated the ZenFone 5 as the world’s first smartphone with DTS Headphone X support, providing a 7.1 virtual surround sound. These features tie into ASUS’ AudioWizard tool that offers different listening profiles depending on what headphones are used – an external audio tuning company has enabled profiles for over 400 types of commercial headphones and when enabled on the ZF5 will adjust the frequency response accordingly. There is also a personal 60-second test to help the system adjust.

Another feature is ‘AI Charging’, the idea that most users charge their phone every night at a similar time, so the system will learn the usual method and adjust the charging profile to match. The key here is that batteries last longest when they are mostly charged, rather than fully charged. So rather than spending the first two hours in the night charging, and staying at 100% the next six hours, the system will hold the battery level at 80% and then push to 100% near to when you are expected to rise. This is meant to be implemented through machine learning, and can take up to three weeks to learn. For users with a regular schedule, this might work well – although I can imagine the frustration of having to wake up early one morning and only finding the phone 80% charged.

ASUS has included a feature called ‘AI Boost’, which has nothing to do with machine learning. From what I was able to determine from the marketing team at the pre-brief, this feature enables all the cores to run locked at their peak frequency, which has the potential to boost performance. ASUS decided showing benchmarking results of Antutu was the best strategy here, with a +50% performance jump. We performed a quick test on the Jetstream benchmark, which showed an 18% performance gain with the mode on. The fact that this tool has nothing to do with the definition of artificial intelligence or machine learning is indicative of ASUS’ smartphone marketing team new strategy of calling everything AI.  This reminds me of a very specific comic strip about how people misuse the term AI.

Price will be announced at a later date.

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  • schizoide - Tuesday, February 27, 2018 - link

    Also, they didn't copy Apple's non-FaceID innovation in the X-- the lack of a bottom bezel, coming from wrapping the OLED screen around in the Z axis.
  • WorldWithoutMadness - Tuesday, February 27, 2018 - link

    Probably not, Asus share market is so small compared to Samsung's. Another example is OnePlus or OPPO with their blatant design copy and we don't have any news of suing. IMO, unless they have more than 10-15% market share (excluding nation without IP protection like China), the suing war is unlikely to happen.

    The number 10-15% is taken from
  • psychobriggsy - Friday, March 2, 2018 - link

    I guess a minor defense is that LG had a type of notch first, was it the V20? Sure, it wasn't in the centre, and is was a separate display in terms of implementation, but otherwise it was a status bar besides the cameras, etc.
  • webdoctors - Tuesday, February 27, 2018 - link

    I had a zenfone 2, it was great for awhile as it was only $200 but 1080p screen.

    The battery started to bulge and the phone would reboot or become unresponsive almost every other day. Its difficult to get warranty service in USA.

    The mid-range phone segment is very crowded and competitive.
  • GreenMeters - Tuesday, February 27, 2018 - link

    "ASUS has supposedly implemented AI here, as part of its AI strategy, such that the system can use an onboard RGB sensor and apply screen color/brightness adjustments to react to ambient lighting."

    AYFKM? Anandtech is supposed to be better than this. Auto color/brightness adjustment is not goddamn AI. Don't regurgitate nonsense talking points.
  • osxandwindows - Tuesday, February 27, 2018 - link

    Its a buzz word now. Get used to it.

    You can thank google for it later.
  • WorldWithoutMadness - Tuesday, February 27, 2018 - link

    All those your usual sensors with some tweaks and behaviour analysis are hyped as AI for the sake of marketing now, just get on with it.

    Just like hoverboard still has wheels and most 'bezel less phones' still has bezel after all unlike TV or monitor definition of bezel less which I think more appropriate.
  • Jimmy C - Tuesday, February 27, 2018 - link

    I read the article as if they were making fun of the AI claims. That word "supposedly," for example.
  • jjj - Tuesday, February 27, 2018 - link

    Both bezel and notch is insane. The notch creates more problems than it solves.
    If there is a bezel, put the front cam there, if there is no bezel or you want the cam on top, use pop-up or flip, no need for dumb solutions. Let's copy every mistake others make...
  • schizoide - Tuesday, February 27, 2018 - link

    The bezel is at the bottom, which is much harder to avoid than the top. But sure, they could put the front cam there and just ask people to flip their phone over to take a selfie.

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