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Support which uses more battery? wifi or 3g

Discussion in 'Android Devices' started by jaliy, Sep 25, 2011.

  1. jaliy

    jaliy Android Expert
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    i'm pretty sure wifi drains more battery but did some research some say 3g uses more
     

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  2. Slug

    Slug Check six!
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    Wifi consumes less when connected, but more if unconnected but still scanning.
     
  3. matttye

    matttye Android Expert
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    What about when the 3G connection is unreliable and the phone keeps trying to connect to a bad 3G signal?
     
  4. Slug

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    Iirc the poorer the signal the more power required to "hang on" to it, but that's from memory.
     
  5. Gearu

    Gearu Android Expert
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    If you're talking data downloads, Wifi wins. I sometimes listen to internet radio all night until the battery goes dead, when on wifi it's still going when I wake up, getting another 2-3 hours out of it on volume 1 with original headphones.
     
  6. matttye

    matttye Android Expert
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    That's what I thought. I think it's the same as WiFi; when you don't have a signal the phone is constantly looking for one. So a good signal should use less power as the phone isn't scanning for a signal all the time.

    My battery stats seem to indicate that too.. cell standby is much higher when I've had a rubbish signal for a long time.
     

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