WiFi Performance

Microsoft made an unusual choice for Surface’s WiFi hardware, it uses a Marvell AVASTAR dual-band MIMO (2x2) 802.11n wireless network controller (88W8797?). Marvell tends to be one of the more cost effective players in the industry which could help explain Microsoft’s choice.

Despite the rarely used silicon, WiFi range on Surface is quite good. Subjectively I was able to hold on to 2.4GHz signals at greater distances than I could on both the 3rd gen iPad, ASUS’ Transformer Pad Infinity and even compared to the VivoTab RT based on some short time I had with the device. Surface also maintains good distances on 5GHz however the performance drop offs are far more significant.

The sweet spot for Surface’s WiFi appears to be around 40 feet away from an AP, with minimal obstructions (doors/walls are fine). Within this range in my testing I was able to maintain speeds of around 20 – 40Mbps. Add another 20 or so feet and you’ll see performance cut in half again.

Although range is good on Surface, at the outer edges of coverage you’re looking at 2 – 4Mbps, which is only really enough for casual web browsing.

The only real downside to Surface’s WiFi performance is its peak performance. I wasn’t able to get beyond 42Mbps when copying files to the device from a local server on the network. It’s possible that I was limited by some file sharing protocol overhead, but without a good suite of network performance tools for Windows RT it was the best I could do for now.

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  • sungman - Tuesday, October 23, 2012 - link

    I'm sorry but could you test if a usb-ethernet cable would work on the surface RT?
  • mike55 - Wednesday, October 24, 2012 - link

    Do you know if the Surface supports the Logitech Unifying Receiver? It would be neat to have your own mouse and keyboard to use with it at home.

    Also noticed some missing info in the article: "The power cable is nice and long at around m."
  • xype - Wednesday, October 24, 2012 - link

    How does using Office actually feel? What about other apps? Photos, music, ebooks, magazines?

    It would have been very surprising if Microsoft made a half assed attempt with the hardware, but aside from slow-starting apps I still have no idea if Surface can actually replace my iPad for the stuff I use it for. Which makes this a purely hardware review and not that practical if we consider tablets appliances. Is a software review forthcoming?
  • kyuu - Thursday, October 25, 2012 - link

    They were supposed to follow up with a WinRT review, which I assume would also encompass the included Office software. However, that review seems to be a tad past due...
  • beginner99 - Wednesday, October 24, 2012 - link

    I'm posting this before having read the review. From the stuff I have already seen and heard about this, I think it makes sense. IMHO you just need a keyboard to make browsing usable and enjoyable. So the keyboard + the fact that it comes with the stand per default (I assume this) seems to me the best solution so far for a tablet. However question is if software (OS) and the lack of it (Apps) plus the expected mediocre performance of ARM SOC kill the experience.
  • sandineyes - Wednesday, October 24, 2012 - link

    On the Battery Life page (fourth paragraph) you write:
    "The power cable is nice and long at around m."
    I think you forgot to add in exactly how my meters it is.
  • sandineyes - Wednesday, October 24, 2012 - link

    "exactly how *many*". It happens to everyone I suppose.
  • Netscorer - Wednesday, October 24, 2012 - link

    I don't know if it's all that careful marketing presentation that Microsoft forced all the reviewers to go through prior to getting their hands on the Surface or Anand's respect for the company, but this review sometimes reads like it was written by Microsoft insider, looking to smooth all the rough edges and insert as much marketing mambo jumbo that means squat to the consumers but sounds good when you read it.
    As a result we read about all the negatives but somehow their don't seem like that much of a deal. Low res screen - no problem, keyboard that you can't actually use for any large typing - not a big deal, 1080p out not working - probably just a glitch, no apps in the marketplace and desktop mode that know one needs in the tablet - hey, but isn't it cool that you can open CMD on the tablet! The whole review goes in very similar rosy painted colors.
    But let's just try to answer one simple question - what is the audience that Microsoft was targeting with their 'different perspective' of a tablet? It certainly ain't corporate customers who can not even apply AD-based security rules with Windows 8 RT and can't even dream of running any x86 based programs.
    It's not consumers either, with that pathetic attempt at camera, speakers that barely puke a sound or total lack of any (ANY!) apps in the Microsoft marketplace.
    So who were they (Microsoft) targeting with Windows 8 RT?
  • kultigin - Wednesday, October 24, 2012 - link

    Read his last sentence carefully with a neutral perspective:

    If you've wanted a tablet that could really bridge the content consumption and productivity device, Surface is it.

    Surface comes with a keyboard that Anand has written this whole review. And it runs Office productivity suite, it will quickly dominate enterprise application market. It will work extremely well with enterprises deploying MS solutions. You may not be from that target but it shouldnt cause you to not to understand what market it is targeting.
  • xype - Wednesday, October 24, 2012 - link

    "Productivity device" _in theory_. It reads like something out of a Microsoft brochure. It would be great if someone wrote a review with some impressions of how it actually feels to spend half a day with Office RT—because that’s what productivity "on the go", as tablets promise, would be.

    Just the fact that it _is_ running Office is not saying anything about that.

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