Final Words

With the exception of the SSD and Windows 7's unfortunate lack of elegant DPI scaling, the Zenbook Prime is the epitome of Ultrabook perfection. It has all of the build quality that we loved about the original Zenbook, with almost none of the quirks.

The display is truly in a league of its own. Color reproduction, brightness and contrast are all exactly where they need to be. Viewing angles are similarly perfect. While the original Zenbook's panel was frustrating, the Prime's display is wonderful to look at. Whether browsing the web or watching movies, it's just awesome. The biggest question is whether or not 189 PPI is too much for you. On an 11.6-inch screen I expect that not everyone will be fond of the resolution, but if you've wanted a ton of desktop space on a small display then the new UX21 will be everything you've been hoping for. I suspect more users will be happy with the 1080p IPS panel on the 13.3-inch UX31 however. I'll try to post an update in the coming days with some Windows 8 experience to see if that makes for a better fit. Kudos again to ASUS for working very hard to be competitive in this space, despite not having the purchasing power or control over the supply chain that Apple does.

The improved keyboard, is like night and day compared to the previous version - with a backlight to boot. The trackpad is also improved, although at the risk of overusing the Apple comparison I will say that it continues to be a hair behind what Cupertino has been able to deliver. The problem there is likely a lack of control over the software stack, a benefit reserved for vertically integrated companies.

Wireless performance and functionality are both improved over the original Zenbook and are, at least on paper, equal to Apple's MacBook Air. The move to a 2x2:2 802.11n setup with 5GHz support easily doubles WiFi performance compared to the original UX21. The use of Intel's Centrino Advanced-N WiFi stack enables WiDi support, which can be very useful on a notebook.

The convenience of two USB 3.0 ports, courtesy of Intel's HM76 chipset, is a welcome improvement as well.

Overall, I'm glad to see that ASUS is focusing more on the tangibles and user experience than just on shipping well engineered products. It's hilarious that out of all of the players in the notebook and tablet spaces combined, that ASUS seems to be one of the only ones (if not the only one) actually trying to go after Apple.

While I'll save the truly final verdict for when ASUS gets me shipping hardware, chances are if you've been waiting for the perfect 11-inch Ultrabook - the Zenbook Prime UX21A is it.

Battery Life, Configurable TDP, Thermals & Noise
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  • zappb - Sunday, May 27, 2012 - link

    11 inch 1080p = Asus = Awesome...

    That just takes some balls!

    Thanks Asus
  • stoked - Sunday, May 27, 2012 - link

    Can someone comment on the difference between the UX31A-DB51 and UX31A-DB52 for the $100 difference in price?
  • Rudyji - Wednesday, September 19, 2012 - link

    51 : i5 128gig SSD
    52 : i5 256gig SSD
    71 : i7 128gig SSD
    72 : i7 256gig SSD
  • Rudyji - Wednesday, September 19, 2012 - link

    or maybe its the RAM...it isnt all that clear....
  • shriganesh - Monday, May 28, 2012 - link

    The high res screen rocks. There is another albeit unconventional one. We can reduce the resolution. In fact I am not too comfortable with 1080P resolution in my 23" monitor. So I use it with 720p resolution which has least artifacts due to more physical dots showing less number of pixels. There sure are artifacts and jagged lines which make the text and things less sharp. But it puts extremely low stress on eyes.
  • waqqashanafi - Monday, May 28, 2012 - link

    I can't wait to get my hands on one of these Zenbook Primes. The only issue I have with such a mobile laptop is the lack of the obvious: 4G LTE!

    A laptop like this NEEDS to have 4G LTE built-in, in this day when mobile data is cheap and available everywhere, and people are more and more mobile. I want to be able to just flip this bad boy open anywhere (offices, cafes, in the car, park, friend's house, etc.) without having to beg for other people's WiFi passwords - or have ugly fat 4G LTE dongles sticking out of my laptop or do some shaky tethering with my phone.
  • Filiprino - Monday, May 28, 2012 - link

    I've read on a lot of sites that the UX32VD has a mini displayport instead of a mini vga. The only ones that have a mini vga are the revisions of UX21E and UX31E, that is, the UX21A and UX31A.
  • igneshto1 - Sunday, June 3, 2012 - link

    http://www.youtube.com/watch?v=xD2MnzoirNI
    This video(In russian, I know!) goto 3:08... i7-3517U @ 1,90Ghz up to 2,40Ghz... Just so you know...
  • jonyah - Tuesday, June 5, 2012 - link

    These ultrabooks are so close to being great, but they miss the mark. Limiting your machine to 4gb of memory, or putting in a hybrid drive where you should have an ssd really sucks. make it 8gb of memory at least (more would be better), keep the full hd screen and stick with just pure SSD and you have a winner. It may even compete with my Vaio Z enough for me to pick one up instead of a new Z next time. I want a U31A with 8gb of memory. How hard is that? Or the UX32VD with 8gb of memory and 256gb SSD.
  • smartypnt4 - Thursday, June 7, 2012 - link

    Get a UX32VD, pick your favorite 256gb drive, grab a 4gb stick of memory (or an 8gb stick if it supports it) and upgrade the thing yourself.

    The UX32-series all has one stick of user-replaceable RAM, and a user-replaceable HDD that's a standard 2.5" drive. Make sure it's a slim 7mm drive, though. All of Intel's drives are 7mm drives with spacers to make them 9.5mm, so they all fit. Not sure about others.

    If I get a new laptop any time soon, that's my plan anyway. It'll be around $1700, but if you're already looking at the Vaio Z, then that won't be too high a price point for you. With this, you get on-board discrete graphics too.

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