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Netflix slow on MAC, speedy on Win 7 PC

14587 Views 36 Replies Latest reply: Jan 30, 2014 12:38 AM by POA_ RSS
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moshem Calculating status...
Currently Being Moderated
Jan 14, 2011 6:21 AM
Hi,

I am trying to get my macbook pro i5 to play streaming netflix.

I used to do it on my win7 HP laptop for some time and it works nice.

on my mac, quality went down, when I tried to figure out why, I found out that the netflix stream is of lower quality.

I used ctrlalt+shifts when in the netflix playback window and see the actual bitrate and what is it buffering into..

on the PC it goes from 500->1500->2600->3800->2600->3800

on the mac it does 500->1000->500->1000->1500->500->1000


they are both connected wirelessly to the same setup:

mac - Airport N (transmit rate 117MB/s)
pc - internal wirelless G 45Mb/s

TP-LINK 1034ND Wireless N router (very strong one) - 3 antenas

Thomson cable modem on a 12Mb/s connection

and two ISP subscriptions were attempted, I also tried each computer connected directly to the cable modem.


still the PC provides me with superior streaming bandwidth. how come mac is having hard time ?
macbook pro i5, Mac OS X (10.6.6)
  • JohnAlanWoods Level 2 Level 2 (160 points)
    Currently Being Moderated
    Jan 14, 2011 6:42 AM (in response to moshem)
    I don't live in the US or use Netflix but is it flash based?

    If so it's probably more to do with the performance of flash on the mac than your ISP.

    Regards,
    John
    i5 MacBook Pro, 24" Cinema Display, iPhone 4, 1TB Time Capsule, Mac OS X (10.6.5), Flash Plug-In 10.0.45.2
  • a brody Level 9 Level 9 (62,005 points)
    Currently Being Moderated
    Jan 14, 2011 7:06 AM (in response to moshem)
    It may need a newer version of Silverlight from http://www.microsoft.com/mac

    It may have other network programs using the same bandwidth at the same time. Leave iTunes, Quicktime, iPhoto closed to see if it makes a difference.
    An Apple user since 1981, Mac OS X (10.6.2)
  • lowfokus Level 1 Level 1 (105 points)
    Currently Being Moderated
    Jan 14, 2011 8:57 AM (in response to moshem)
    Run traceroute and see if you are using the same hops to get to the netflix servers on both computers.
    Also, do you have any special ports forwarded, and are they the same on both PCs?
    MBP 2.66 i7, 1.83C2D Mini, 15" G4 iMac, Mac OS X (10.6.6), 32GB iPhone 4 Black
  • a brody Level 9 Level 9 (62,005 points)
    Currently Being Moderated
    Jan 14, 2011 2:05 PM (in response to moshem)
    Usually what this means is the router is giving different lookup tables for each computer that is on it.
    Change routers if you want more consistancy, and make sure its firmware is known to work with your Mac OS X version.
    An Apple user since 1981, Mac OS X (10.6.2)
  • a brody Level 9 Level 9 (62,005 points)
    Currently Being Moderated
    Jan 14, 2011 2:08 PM (in response to a brody)
    And in event that does not work, your internet access provider is having trouble being consistent. To overcome that, use OpenDNS numbers in your setup on both router and Mac

    http://www.opendns.org/
    An Apple user since 1981, Mac OS X (10.6.2)
  • lowfokus Level 1 Level 1 (105 points)
    Currently Being Moderated
    Jan 14, 2011 2:11 PM (in response to moshem)
    I'm not sure if you can, but instead of using netflix.com in the browser try using the actual ip address of the server. The posts above me will also probably help you, as it appears to be a DNS issue between you and Netfllix, somewhere along the network.

    If you say directly attaching to the cable modem yielded the same results, seemingly it's your ISP's DNS servers, or Netflix itself.

    Trying to go directly to the site without using any name resolution at all will tell us if we are on the right track.
    MBP 2.66 i7, 1.83C2D Mini, 15" G4 iMac, Mac OS X (10.6.6), 32GB iPhone 4 Black
  • lowfokus Level 1 Level 1 (105 points)
    Currently Being Moderated
    Jan 14, 2011 2:13 PM (in response to moshem)
    Here is what I got for the direct address:

    http://208.75.76.17
    MBP 2.66 i7, 1.83C2D Mini, 15" G4 iMac, Mac OS X (10.6.6), 32GB iPhone 4 Black
  • lowfokus Level 1 Level 1 (105 points)
    Currently Being Moderated
    Jan 14, 2011 2:29 PM (in response to a brody)
    Not necessarily the case of the DNS providing different results, though, with 177ms times shown. TTL on his xp box probably isnt that high.
    MBP 2.66 i7, 1.83C2D Mini, 15" G4 iMac, Mac OS X (10.6.6), 32GB iPhone 4 Black
  • lowfokus Level 1 Level 1 (105 points)
    Currently Being Moderated
    Jan 14, 2011 2:32 PM (in response to moshem)
    There a few things I can suggest then I'm stumped.

    One:
    Uninstall Silverlight with a third party uninstaller, such as AppZapper. This will remove all files associated with it, not just the app itself. It is free the first five times you use it.
    Reinstall it, reset Safari, and try again.

    Two:
    Use Chrome instead. Still uninstall and reinstall Silverlight though.

    Three:
    Call Netflix and provide them the information you have regarding the traceroute and DNS changes.
    MBP 2.66 i7, 1.83C2D Mini, 15" G4 iMac, Mac OS X (10.6.6), 32GB iPhone 4 Black
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