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Wifi or 3G - What is better for battery life?

Discussion in 'Android General Discussions' started by BigMcGuire, May 4, 2010.

  1. BigMcGuire
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    BigMcGuire New Member

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    My friend and I are debating about whether or not WiFi or 3G uses more battery. I can't really seem to find this (yes, I searched).

    Personally, I'm always in range of WiFi and I use my phone a lot (but I also have Max 3G reception everywhere). Would it be better to leave WiFi on to save battery or use 3G?


    Info: WiFi has less range than 3G so you'd think it would be less battery usage, right? But does it transmit/receive more when you leave it on? I have my phone configured to keep the WiFi connection even though the phone is idle.
  2. blackjoker4215
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    blackjoker4215 New Member

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    I think I read that wifi uses less battery, but I could be mistaken.
  3. aaf709
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    aaf709 Nice Guy Premium Member

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  4. aminaked
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    aminaked New Member

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    Keep wifi on, perhaps consider turning off "Notify me of open networks".

    Use 3G instead of wifi when you can to save your battery. Yes, closer antenna with wifi means less power needed. Faster transmission means less time, greater efficiency. Use it!
  5. butch350
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    butch350 New Member

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    To the Point

    In General (3G)
  6. tcrews
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    tcrews Premium Member Premium Member Developer

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    It depends on signal quality.
    Where I work, inside the building Verizon 3G is nearly blocked completely. You'll bounce between very low 3G to 1x service and in some areas have no service. We have multiple Wireless Access Points throughout the building providing WiFi connectivity. My phone staying on WiFi all day (work hours) vs. trying to lock in on Verizon's 3G uses a significantly less amount of battery. I use Timeriffic and have a profile that turns on WiFi during my work hours (Mon-Fri 8:00am-4:30pm) and then I turn it on or off manually depending on where I'm at and what I'm doing.

    Definitely gives me longer battery life using Wifi.
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