ASUS is not new to the smartphone market. Since the days of Windows Mobile (not the new Windows Mobile) they've been selling smartphones. But when it comes to Android devices they've been primarily focused on tablets. ASUS worked with Google to design and manufacture both generations of the Nexus 7, which was beloved by Android enthusiasts. Their PadFone devices were an attempt to have a smartphone that attached to a tablet shell to make a sort of 2-in-1 smartphone and tablet.

However it's only recently that the company has started making a serious push into what has become the traditional Android smartphone space. In 2014 the company had a fairly successful year in the smartphone space with their first generation of ZenFones, however while APAC sales were good they didn't quite make as big of a dent in the North American market as they could have - and likely not as big as they were hoping, I suspect.

This brings us to today with the North American launch of the ZenFone 2, the second generation ZenFone, and ASUS's second shot at making a major wave in the North American smartphone market. After initially going on sale in ASUS's home country of Taiwan on March 8th, and more recently in Japan and India, today ASUS is bringing over their latest phone to North America, where it will go on sale as an unlocked device through retailers like Amazon and Newegg.

It's hard to say which previous ASUS device the ZenFone 2 is a sequel to. It's actually a bit of an outlier compared to ASUS's earlier Android phones. Starting with the 2015 generation of ZenFones, ASUS has clamped down on the number of models they have released, ditching their broad spectrum of ZenFones in many sizes for fewer, more distinct models. As a result the last-generation ZenFones, the ZenFone 4, the ZenFone 5, and the ZenFone 6, have all been replaced with a single product, the ZenFone 2. The naming is a bit unfortunate in light of ASUS's earlier, sized-based naming scheme, but ultimately the point to take away from all of this is that what we're looking at is the second generation ZenFone. On a generational basis then, it's probably most accurate to call it a successor to the ZenFone 5, as it's similar in screen size and the ZenFone 2 is a natural progression when it comes to specifications.

In North America the ZenFone 2 is the first of ASUS's 2015 ZenFone products to launch, and it is the company's flagship smartphone for 2015. You won't see the budget ZenFone C here, and meanwhile the only other member of the ZenFone family will be the forthcoming ZenFone Zoom. As opposed to being another smartphone, the Zoom will be ASUS's take on a true cameraphone, combining a more complex point & shoot optics system - complete with optical zoom - with a traditional smartphone.

As for today's product launch, much like its 2014 predecessors, ASUS is coming out swinging with very aggressive pricing on the ZenFone 2. With the entry level model coming out at $199 and the most expensive model at $299, at first glance it seems strange to call the ZenFone 2 ASUS's flagship smartphone. At these prices the immediate competition for the ZenFone 2 would appear to be devices like the Moto G and the Lumia 735. But don't let yourself be deceived by the price. The ZenFone 2 has some extremely impressive specifications for a low cost smartphone, launching with a fairly powerful Intel quad-core Atom SoC, 2GB+ of RAM, and a 5.5" 1080p IPS screen. As today's article is just a preview to line up with ASUS's launch I won't spend much time going over them today, but you can take a look at an overview of the ZenFone 2's specs below.

  ASUS ZenFone 2 (Base) ASUS ZenFone 2 (High-End)
SoC Intel Atom Moorefield Z3560
4x Silvermont @ 1.8GHz
Intel Atom Moorefield Z3580
4x Silvermont @ 2.33GHz
GPU PowerVR G6430 @ 533MHz
RAM 2GB LPDDR3 4GB LPDDR3
NAND 16GB + microSDXC 64GB + microSDXC
Display 5.5" 1920x1080 IPS LCD
Dimensions 77.2 x 152.5 x 10.9 mm, 170g
Camera 13MP Rear Facing with F/2.0 aperture
5MP Front Facing with F/2.0 aperture
Battery 3000mAh (11.4Wh)
OS Android 5.0 Lollipop with ASUS Zen UI
Cellular Connectivity 2G / 3G / 4G LTE (Intel XMM7262 Category 6 LTE)
Second SIM 2G GSM (Intel XMM2230)
Other Connectivity 802.11a/b/g/n/ac + BT 4.0, GNSS, NFC, microUSB2.0
SIM Dual SIM slots
Price $199 $299

Since I've only had the phone for a couple of days at this point and haven't had a chance evaluate every last aspect of it, I'm going to divide up our coverage a bit. Lining up with today's formal launch from ASUS, I want to start with some of our more interesting data for our readers who are looking for some quick impressions before pulling the trigger. Meanwhile later this week I'll be back with a full review of the phone, including more benchmarks and a look at other aspects such as the camera and battery life.

In terms of construction and build quality, I like the design of the ZenFone 2. The chassis reminds me a lot of LG's larger phones. It curves to a very thin edge, has very thin bezels, and places the volume rocker beneath the camera on the back of the phone. The materials make it look distinctly like an ASUS product, with a brushed finish that reflects light in interesting ways. Although the back of the ZenFone 2 looks like the brushed aluminum on ASUS's high end laptops, it is made of plastic. I would love if it had an aluminum build, at $199 ASUS is already packing in higher specs than competing phones with similar worldwide availability.

The one aspect of the design that I do consider questionable is the placement of the power button. It's located on the top of the device, next to the 3.5mm audio jack. Even though the ZenFone 2 is fairly small for a 5.5" device, it's difficult to reach up to the top to turn it on without having to shift your grip upward. It's not the end of the world, but I would like to see it moved to the right side of the phone for future ZenFone devices. Despite the power button placement, I'm happy with the overall design of the ZenFone 2.

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  • tipoo - Monday, May 18, 2015 - link

    Develop? It's longstanding. one of the reasons Asus is going against the grain putting Intel in phones is that pre-existing relationship.

    The other reason being Intel is practically giving them for free, lol. 5 dollars after the contra-revenue program, so I hear.
    Reply
  • testbug00 - Tuesday, May 19, 2015 - link

    well, the cost is about free. The extra stuff you get that's totally not related to the Atom's you bought... Reply
  • Badelhas - Tuesday, May 19, 2015 - link

    I´ve read on other reviews that while it has a nice performance it´s filled with Asus BLOAT, just like their notebooks. Do you confirm this? For me, at least, thats a big letdown. Reply
  • Harry_Wild - Tuesday, May 19, 2015 - link

    Looks great on paper! Not keen on the brush aluminum plastic case. But the price is outstanding and it 5.5" which is huge for me since I carry my phone in my front pocket and keep it there sometimes even sitting position. Not sure if you can do that in jeans like in a car seat! Looks thin enough to the iPhone 6 too! But I just purchase the Nokia Lumia 735 because of the 4.7" OLED screen and the look of the over phone. I purchase the accessories for it too; additional wireless QI battery cover, wireless charger, glass screen protector everything totaled around $400. Half the price of an iPhone! Reply
  • Dmcq - Tuesday, May 19, 2015 - link

    I'd really like like an analysis of how the PCmark got to be so good. The possibilities I see are
    the ARM big-LITTLE switch is very slow or the fast ARM's are not activated in the race to sleep the test is for, the phone has much better media for read/write and those parts of the benchmark dominated, the large memory helps the tests somehow by buffering data and not needing things compressed. There's various possibilities and the sub-parts of the test might give some indication.
    Reply
  • Dmcq - Tuesday, May 19, 2015 - link

    Found the results. The gain seems mostly to be from video editing. That has probably been heavily optimized for the test I guess! There is also a sizable gain in web browsing which might be explained by the extra memory or perhaps it is just better implemented. Reply
  • theMC5 - Tuesday, May 19, 2015 - link

    I looked this up on Newegg, it is described as **No LTE Support in US, Canada and Mexico**. Can anyone elaborate? I'm on T-Mobile, in an area they describe as '4G LTE', so I wonder if this phone is compatible. Reply
  • Bob Todd - Wednesday, May 20, 2015 - link

    If you go to the Asus product page they list the exact bands for the USA model in the specifications. All TMo and AT&T LTE bands are supported. Reply
  • Glock24 - Tuesday, May 19, 2015 - link

    World be interesting to know if there's really a difference in battery life between the 2GB and the 4GB models, as some people suggest on various forums. Reply
  • YoloPascual - Tuesday, May 19, 2015 - link

    But these intel processors drain the batteries of my zenfone 5 so fast. Reply

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