It was way back in 2011 that ASUS launched the Zenbook series. The original UX21E and UX31E were the first of the thin and light Ultrabooks from ASUS to bear the Zenbook brand, and featured an all-aluminum chassis. ASUS has kept the styling consistent over the years, and refined their Zenbook with each new model. The new UX305 is their thinnest and lightest incarnation to date and keeps the Zenbook aluminum frame, with the distinctive concentric-circle finish on the lid, and squeezes the laptop down to an incredible 12.3 mm thickness.

Part of that story is what is powering the UX305. Intel’s Core M processor is a 4.5 watt chip which has compressed the entire system on a chip into a much smaller package than the traditional Core processors that have powered the other Zenbooks. ASUS has created a system board with a ten-layer high-density PCB which is only 0.83 mm thick, and roughly the size of a six-inch smartphone. Core M, with its low Thermal Design Power (TDP), also enables fanless devices, and ASUS has done this to provide a laptop computing system with no moving parts at all, and therefore it is virtually silent.

The most amazing thing about the ASUS UX305 though is that the company has crafted an all-aluminum, thin, light, and capable Ultrabook for only $699. With this kind of price point, one would expect sacrifices to be made in the specifications, but that is not really the case at all. For the base starting price, the UX305 comes with the Core M-5Y10 processor which has a base clock of 800 Mhz and boost to 2 GHz, along with 8 GB of LPDDR3-1600, and a 256 GB Solid State Drive. The display is a 13.3 inch 1080p IPS panel, and in April a 3200x1800 model will be available which includes multi-touch.

ASUS Zenbook Ultrabook
  UX305FA- As Tested, Core M-5Y10, 8 GB RAM, 256 GB SSD, 1920x1080 IPS display, 802.11n Wi-FI
Processor Intel Core M-5Y10 (2C/4T, 0.8-2.0GHz, 4MB L3, 14nm, 4.5w)
Intel Core M-5Y71 (2C/4T, 1.2-2.9GHz, 4MB L3, 14nm, 4.5w)
Memory 4GB or 8GB LPDDR3-1600Mhz
8GB Standard in NA
Graphics Intel HD 5300 (24 EU, 100-800 MHz on 5Y10, 300-900 Mhz on 5Y71)
Display 13.3" 1920x1080 IPS matte

Optional 3200x1800 PLS
Optional Mult-touch
Storage 128GB or 256GB SSD
Sandisk model
256 GB standard in NA
Networking Intel Dual Band Wireless-N 7265 (802.11n, 2x2:2, 300Mpbs Max, 2.4 and 5GHz)
Intel Dual Band Wireless-AC 7265 (802.11ac, 2x2:2, 866 Mbps Max, 2.4 and 5GHz)
Audio Conexant SmartAudio HD
Stereo Speakers (downfiring)
Battery 45 Wh Battery
45 Watt charger
Right Side Power Input
USB 3.0 Port
micro-HDMI Port
Headset Jack
Left Side 2 x USB 3.0 Ports
SD Card Reader
Dimensions 324 x 226 x 12.3mm (12.75 x 8.9 x 0.48 inches)
Weight 1.2 kg (2.6 lbs)
Extras 720p Webcam
Colors Obsidian Stone, Ceramic Alloy
Pricing $699-$999 USD

For the US market, the $699 5Y10, 8GB, 256 GB 1080p model will be the base, however they will offer other configurations in other markets. As far as specifications, there is very little to complain about. ASUS has still managed to fit a 45 Wh battery onboard, and it has all of the ports one would expect of a modern Ultrabook, with three USB 3.0 ports including one port with sleep charging, a micro-HDMI port, a headset jack, and a micro SD card slot. They have even fitted a 720p webcam. Really the only spec that that might be considered cutting corners is the 802.11n wireless, but some models will come with 802.11ac as well. ASUS has packed all of this into just 1.2 kg, so the UX305 is very light too.

One look at the UX305 and you can instantly tell that ASUS is going for those who are after a premium Ultrabook, but with a budget price. However that budget does not mean that it skimps on the necessities like storage or RAM. At CES, I was hopeful that the push to lower cost devices with solid state storage would be right around the corner, and clearly that is the case. Many of us who follow technology get asked for recommendations on devices to purchase, and it was difficult to find a quality device for a reasonable price that included solid state storage. ASUS has shattered that barrier with a 256 GB SSD at this price point.

They have also changed the perception about design and feel of a mid-priced notebook.

Design and Chassis
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  • Ratman6161 - Friday, March 27, 2015 - link

    The core M's are specifically intended for the low power market so if performance is your priority you wouldn't be looking at this one in the first place. You would instead be looking at the new generation of i3, i5 etc just coming out:
  • Refuge - Wednesday, March 25, 2015 - link

    Yea Intel has been making leaps and bouns the last couple of years in their processors. But none of it has been tailored towards power users or high power markets.

    It has all been in increasing efficiency, which they have done an amazing job of catching up in. But the downside of all this is that for 2-3 years all us power/high power users to sit with our thumbs up our asses while we wait for something worth our while to come out.

    If you aren't super concerned with lowering TDP to save power then you are just going to have to wait a bit longer before Intel tries going back to their old ways. But then again, I'm not sure it will ever be the same again.

    Once you go mobile, you stay mobile. :P
  • WithoutWeakness - Wednesday, March 25, 2015 - link

    I'm still waiting for a compelling reason to upgrade from my i7-2600K. I've upgraded everything in my PC over the last 4 years with the exception of my Z68 motherboard and my CPU. The Sandy Bridge architecture has certainly stood the test of time.
  • warezme - Wednesday, March 25, 2015 - link

    This is apples to oranges but my prior laptop was a big heavy Alienware M17X M3 which I still have but I was tempted with the latest tiny, thin and extremely high performance 14" Razer Blade laptop which I don't think is much bigger than this Zenbook if that. But it sports a full Quadcore i7 4720HQ with hyperthreading and an Nvidia Maxwell GTX970M GPU. It is a killer combo with the 3200x1800 screen. It is so small compared to the Alienware and more than twice as fast.
  • kingpotnoodle - Wednesday, March 25, 2015 - link

    Performance wise it might not be any quicker but will probably be a huge upgrade to form factor and battery life, it really depends on your priorities. If the laptop never leaves the coffee table then no reason to get a thin and light design.
  • FlushedBubblyJock - Wednesday, March 25, 2015 - link

    I don't know if I can agree with that. No matter the coffee table the couch is very nearby, thus kicking back on that or the easy chair - not to mention the backyard picnic, watching something while ironing in the laundry room - setting it about for TV/movies/netflix/news in the kitchen.
    I think it would be great for a home only user.
  • kingpotnoodle - Thursday, March 26, 2015 - link

    I don't wish to be pedantic, but your scenarios are "leaving the coffee table", perhaps I should have said desk. I've met people with laptops who almost never pick it up, they just got it because a desktop takes up too much space and doesn't fold down.
  • jramskov - Wednesday, March 25, 2015 - link

    You do get a much snappier machine due to the SSD and it's got a generous (for the price) amount of memory.
  • FlushedBubblyJock - Wednesday, March 25, 2015 - link

    The Dell XPS13 kept winning - I have to go hunt down the review on that, here, hopefully.
    Getting the QHD+ touchscreen on the Dell is twice the cost, but man, those benches.
  • Gigaplex - Wednesday, March 25, 2015 - link

    That webcam angle...

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