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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  • tipoo - Tuesday, October 23, 2012 - link

    AFAIK they built it ground up in their existing hardware division.
  • shompa - Wednesday, October 24, 2012 - link

    The rumour is that Steve Jobs ghost work at MSFT.

    Press, that are "Apple" nerds have been to MSFT labs and looked at their stuff. They have amazing laptops, computers and other stuff that they would buy direct. And these are people who are fanatical about beautiful design, liberal arts and that stuff should work.

    The sad thing for MSFT is all the politics. They have great products in their labs and cant release them because it makes OEM angry. Surface is for example a compromise. The 600 dollar price is ONLY because of OEM. MSFT cant price Surface aggressive since OEM would stop building RT stuff.

    And that is a huge threat to Windows. Surface was rumoured to cost 199 dollars. HP/Dell and other OEMs have started to look for alternative to windows (Unified Android). Valve have ported steam to Linux(and later Android).

    That is probably the feature.
    MSFT continues with their new integrated approach. Same as Apple.
    OEMs will start to use "open"/fragmented Linux/Android.
  • kyuu - Thursday, October 25, 2012 - link

    Except not, since the only OEM who can make a profit on Android is Samsung.
  • Stas - Monday, November 5, 2012 - link

    You're delusional, if you think an open source platform can become dominant in the computer market.
  • ol1bit - Tuesday, October 23, 2012 - link

    One word describes Microsoft and all their ideas.... LATE.

    They had a good lead in the smartphone arena and gave up. They couldn't see what the next big thing was going to be. iPhone took off, then Goggle really jumped on Android, pushed changes at a blistering pace. Microsoft lost the phone race...So go keep Nokia alive and try to catch up, doubt they will.

    Tablet are the same way. Market already lost. A gazillion apps for both iPad and Android Tablets.

    Everything MS does is 2 steps behind. I know they hope to catch up, but I have 3 Android devices, and Love it. All my apps carry from device to device as it should. Goggle keeps pumping out great enhancements, same with Apple.

    Oh well.
  • sunflowerfly - Tuesday, October 23, 2012 - link

    "Tablet are the same way. Market already lost. A gazillion apps for both iPad and Android Tablets."

    Actually Android has very few tablet apps. I believe Microsoft will take over and become the number 2 tablet within a year. Google is giving away tablets at cost because the public is not buying them (not that a few million sold to geeks is a bad gig).
  • PubFiction - Wednesday, October 24, 2012 - link

    people said the same thing about netbooks when they were all launching with linux, what you forget is that yes MS is late but they have won even though they were late to many parties. Vertical integration and supply chain control are huge factors. To most people office cost $100 and any of these devices shipping with free office means it is $100 cheaper. Now you get vertical integration, MS is going to leverage office to muscle into the tablet space, and what is so nice is that rather than just sit on office / windows and let that win the game they are actually going a little above and beyond by bringing the surface keyboard to the market and bringing out what is mostly a high quality well built device.
  • DukeN - Wednesday, October 24, 2012 - link

    How the fuck is Microsoft late wrt to ideas?

    Microsoft had a tablet OS out about 10 years ago, couldn't execute it with their partners so it languished.

    Maybe they can't execute but they definitely aren't LATE.
  • xSauronx - Tuesday, October 23, 2012 - link

    Last year work gave us all ipad2 32gb units as part of the christmas bonus. i dont love ios, and prefer android for a phone and tablet, but i understand why people like it, and it was definitely a great tablet. sold it for an android, however.

    id love to get one of these this year...i'd be very interested in trying one out for a week. hopefully there will be apps a plenty for this, or at least a good ecosystem for the full windows 8 tablets in the future. i could see me moving away from android for this...maybe
  • OVerLoRDI - Tuesday, October 23, 2012 - link

    I really am impressed with this offering from MS. As a long time PC user and one who types a lot, tablets were absolutely out of the question for me, typing on glass has and always will be a fail.

    That being said, I don't love it enough to pony up that much money.

    I'm also curious to see how Win8 works on smartphones, it seems like it could be a great OS.

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