2012 iMac faster on Wifi Than Ethernet Cable?

Discussion in 'iMac' started by jazz1, Jun 13, 2015.

  1. jazz1 macrumors 68000


    Aug 19, 2002
    Mid-West USA
    I ran several speed tests on my iMac using Wifi to a fourth generation Airport Extreme, and then again via ethernet to the same AE. I got 95.68Mbps downloads 19.56 Mbps uploads via Wifi, and about 1/3 less speeds via my hard wire ethernet. Shouldn't the ethernet cable be faster? Note the AE is in the basement, and the iMac is on the first floor directly above the AE.

    The only thing I can think of is that there is something wrong with the ethernet cable. I read somewhere a while back that Macs are extremely sensitive to type of ethernet cable.

    Any thoughts would be appreciated.
  2. fathergll macrumors 65816

    Sep 3, 2014
  3. steve23094 macrumors 68020


    Apr 23, 2013
    Both those devices are Gb. Make sure your cabling is up to the task.
  4. yjchua95 macrumors 604

    Apr 23, 2011
    GVA, KUL, MEL (current), ZQN
    Make sure that you're using a CAT6 cable.
  5. loekf macrumors 6502a


    Mar 23, 2015
    Nijmegen, The Netherlands
    CAT5E should do normally. However, are you sure you don't have a 100 Mbps switch somewhere in between ?

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4 June 13, 2015