Final Words

ASUS has crafted an elegant experience with the UX305. The body is a sleek creation of aluminum, the device is very thin, and at 1.2 kg (2.6 lbs) in weight, it is very portable. The UX305 could easily be mistaken for a device which costs far more than its $699 starting price. When one thinks of the mid-range laptop, one would expect a thick, heavy, and boring device with a TN display panel, a spinning hard drive, and a short battery life. ASUS has thrown all of this on its head.

The Core M processor in the UX305 which we received was the 5Y10 model. For now, the higher spec 5Y71 model will not be coming to North America in this device. However the performance was surprisingly good. In shorter, burst workloads, the 5Y10 struggled to compete against 5Y71 with its much higher boost clock speed, nor could it compete against Broadwell-U based devices with their 15 watt thermal envelope. However on sustained workloads, due to the cooling solution and higher surface temperatures that ASUS has allowed, the UX305 performed much better than the Lenovo Yoga 3 Pro. Gaming was a big difference on this device, and while it is certainly not going to be the next Crysis killer, for lower demanding games like DOTA 2, it performed very well even over long periods of time.

The amount of components which lead to a better overall computing experience that ASUS packed into the UX305 is very impressive. At just $699, you still get 8 GB of RAM, and a 256 GB solid state drive. This is unheard of at this price point. The Dell XPS 13, for example, starts at $799 with just 4 GB of memory and a 128 GB drive.

The keyboard and trackpad are both quite good, especially when we consider the price, and the thin profile of the UX305. The keys had good travel, and while I would question the layout of having the power key as part of the keyboard, really the only thing missing from the keyboard experience is a backlight, and perhaps I only expect a backlight because the UX305 feels much more expensive than it is. The trackpad served me very well, and is quite large. ASUS has had some issues in the past with trackpad drivers, but I experienced no issues at all during my time with the device.

Battery life, while not class leading, is still very good, and bests any laptop we tested before 2015 with the exception of the MacBook Air under OS X. Even under a heavy load, the Core M kept its composure and ensured that the battery life did not slip away too quickly.

There are of course a few issues which need to be mentioned. The already mentioned keyboard backlight would be a great addition to the lineup, even if it was just on a higher priced model. I really do not like the display hinge which is crafed to lift the rear of the laptop up when the display is opened. It makes the laptop much more unstable, causes the display “legs” to dig into soft materials like a wooden table, and all of this is for an extra millimeter or two of height. ASUS would have been much better off with slightly thicker feet.

The display is both good and bad, but it has to be counterbalanced against the price point of this device. It is an IPS display, which is excellent to see even in a more budget offering, and it has excellent brightness and contrast levels. The matte coating is also something that many people prefer to knock the glare down. It performed very poorly in our accuracy tests though, and while that can also be attributed to the cost of the device, the post-calibration numbers on this display were fantastic. If only ASUS could take the effort to include an icc profile to help it out.

Overall, even with the knocks against it, this is a heck of a device for just $699. A Core M processor, which allows a fanless and therefore silent device, but still offers good performance, and much more performance than any other CPU which would allow for a fanless design. 8 GB of memory standard. A 256 GB solid state drive standard. A 1920x1080p IPS display, once again standard. ASUS has really raised the bar for what someone can expect in a mid-range device.

Battery Life, Wi-Fi, and Speakers
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  • 3DoubleD - Wednesday, March 25, 2015 - link

    This appears to be a great offering. If they announce pre-calibrated screens (or there was a simple and reliable DIY method) I'd seriously consider buying this device. It seems like ASUS has really been listening: IPS, >= 1080p, decent keyboard, good trackpad, good battery life, good performance, 8 GB RAM, 256 GB SSD, ...more than 1 I/O port, and a great price! On a personal, subjective note, too bad it is so similar to the styling of the Transformer Prime tablet... I'm still angry about how terrible that device performs (eMMC just falls apart with time), which really hurt my opinion of ASUS, it would be best to not be reminded of it.
  • Hulk - Wednesday, March 25, 2015 - link

    I assume this unit uses a m.2 drive? What size? 42mm? One slot or two?
  • Gigaplex - Wednesday, March 25, 2015 - link

    At this thinness, I'd expect it to be soldered on.
  • Allan_Hundeboll - Wednesday, April 1, 2015 - link

    I think its a 80mm m.2 6 gbps sata ssd
  • casteve - Wednesday, March 25, 2015 - link

    The DOTA 2 temperature comparison chart's y-axis is mislabeled as frequency rather than temperature. Also, it looks like the test stopped before the zenbook came to thermal equilibrium. So, will it start to throttle or fry eggs sometime after an hour of heavy use?

    I'm very happy to see all of the fanless laptops. But, even with a 4.5W TDP CPU, it seems there's still some tuning to be done to get rid of the heat.
  • djvita - Wednesday, March 25, 2015 - link

    Everyone is struggling, Qualcomm, Nvidia and Intel on getting high performance on low power. ARM overheats, and x86 is too slow compared to desktop chips.
  • Brett Howse - Wednesday, March 25, 2015 - link

    Sorry I was graphing the clock speeds of the chips and then removed that from the graph and left the temperatures, but forgot to re-label that axis.

    I'll leave DOTA running for a lot longer and see what happens. Eventually it will need to throttle back a bit.
  • crimson117 - Wednesday, March 25, 2015 - link

    Is there a table somewhere listing the specs for each UX305 model number?

    Too many skus makes it hard to know what you're getting, eg UX305FA-ASM1, UX305FA-USM1, UX305FA-FB003H, UX305FA-FC008H.
  • hammer256 - Wednesday, March 25, 2015 - link

    That price, that spec. I have a Macbook air (2014) and I am positively jealous.
  • V900 - Wednesday, March 25, 2015 - link

    Don't be. The Asus may feel snappy when you browse the web, but as soon as you open a few more programs and try to multitask, the Asus Zenbook will start to protest, and throttle down the speed and/or cores. For anything more than light usage with little or no multitasking your MacBook Air, or any similarly specced computer from 2014/2013 will be faster.

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