Battery Life

The Transformer Book T100 features an integrated 31Wh battery. As the keyboard dock doesn’t include an extra battery, that’s all you get. The good news is that Intel’s Atom Z3740 is built on the company’s first 22nm SoC process and it’s paired with LPDDR3. At least on the silicon front, the T100 should be fairly power efficient. Granted there are still the PMIC, display, WiFi and other components to worry about, but here’s to hoping ASUS did a reasonable job there as well.

Unfortunately ASUS delivered our T100 review sample less than 48 hours ago and I’ve been using it non-stop since then. I think I technically broke embargo by using it at a press event but it’s the only way I’d get enough time with the thing under my belt to feel comfortable writing about it. The bad news is that I only had enough time to provide a battery life teaser. I’m still running more data but for now all I’ve got is our WiFi web browsing test.

The T100’s results are presented with the keyboard dock attached and with the display calibrated to 200 nits:

Web Browsing Battery Life (WiFi)

Battery life looks decent at just over 8.5 hours on a single charge. In practice I had no complaints about battery life while using the device. It feels more like a tablet in that regard and less like a notebook, which is a good thing. Once again we’re seeing ASUS redefining what we’ve come to expect from an entry level notebook PC here. Even compared to Chromebooks we see the T100 do extremely well. I’m curious to get a better feel for how Bay Trail performs in the battery life department, which I’ll be doing over the coming days. So far the results look good but not quite stellar if you compare it to traditional Android/iOS tablets. I am curious to see how BT running Android would turn out.

CPU, GPU & Storage Performance Final Words


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  • BrianChase1776 - Friday, October 18, 2013 - link

    I still have to disagree, my parents, for example, don't understand that a simple Google search could explain how to fix the calibration issues. If they received the device and took issue with the colors they would quite literally assume it is broken and move on to looking for another device. We can figure it out, and we want options, but most people can only handle simplicity. Reply
  • BrianChase1776 - Friday, October 18, 2013 - link

    Can't find an edit option but for the record I think the t100 looks amazing! I strongly believe that Apple and Android are garbage and, for those of us that plan to do anything serious on a tablet this device will do the job. I'm just defending the practice of writing a review for the majority, even thought it is sad that it has to be done that way. Reply
  • steven75 - Friday, October 18, 2013 - link

    It's definitely an interesting option to say "Apple and Android" are garbage. The consumer market speaks and it soundly disagrees with that. Reply
  • Nagorak - Friday, October 18, 2013 - link

    Until recently there wasn't even another viable option, so it's kind of a stretch to say the market has spoken. Reply
  • OneOfTheseDays - Friday, October 18, 2013 - link

    For starters, the colors of this display are not so wholly imbalanced that your parents are going to think something is wrong with the display. The display is fine for every day users and nobody is likely to complain about quality other than serious enthusiasts or professionals who require such accuracy who would NEVER BUY THIS DEVICE to begin with.

    It's an idiotic premise that display calibration is paramount in a $350 device.
  • Nagorak - Friday, October 18, 2013 - link

    They wouldn't take issue with the colors though. Most people are not aware of that kind of nitpicky detail. That said, I think it's fair to point it out, but it's also true that it's irrelevant to most people.

    Speaking for myself, I never calibrated my desktop monitor, nor checked to make sure it was calibrated properly. Maybe it is, but I've never even bothered to check. Everything has always looked fine on it. And I'm actually a serious PC user unlike most people.
  • ricardodawkins - Friday, October 18, 2013 - link

    +920 Reply
  • aaronr - Friday, October 18, 2013 - link

    Please test Linux compatibility or at least see if you can boot from USB.

    Thank you!
  • typicalGeek - Friday, October 18, 2013 - link

    I think this device is hitting on all cylinders for the target group I think they're after: potential Surface 2 (ARM version) buyers.

    * For those that would pay more for the higher performing CPU: you're not the target of this machine. This is for those that shop price first, features 2nd.
    * For those that would pay more for more RAM, storage, calibrated display, etc. - see my previous comment.
    * For those wondering about the graphics performance when used for gaming: you're REALLY not the target of this machine.

    I for one think this machine appears to do what it is designed to do VERY well. First, hits MUCH lower than Surface 2 price points. 2nd, functions as either a laptop or tablet (duplicate the function of Surface). 3rd have excellent battery life. 4th, run a x86 version of Windows - allowing the vast majority of Windows software to be run. (Surface 2 can't do that, Surface Pro cost even more.)

    If you're looking at the T100 vs. the CHEAPEST surface 2 tablet, it's what, $229 MORE by the time you pay for the keyboard cover. What are the advantages at this point of going with the Surface 2 vs. the T100? If you can come up with any, are they really worth a 65% price premium?

    If I had any desire for a Surface type computer, and especially if I was on a tight budget, this unit would be at the top of my list for consideration.
  • Nagorak - Friday, October 18, 2013 - link

    Microsoft really screwed the pooch with the Surface 2. At the price point it's at it should be running Bay Trail and be full Windows 8.1. The current Surface 2 should have been Surface Lite 2 and cost at least $50 less. They price their ARM tablet too high, so it has no reason for being when other companies are coming out with full X86 tablets for less. Reply

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