Laggy 4K Video Streaming on rMBP 13"

Discussion in 'MacBook Pro' started by CheesyTators, Jan 9, 2014.

  1. CheesyTators macrumors member

    Aug 26, 2010
    SE Michigan
    Trying to stream various 4K video files from Youtube and other sites however every one of them lags and is really choppy under OSX. My CPU maxes out and it starts to lag. I plugged the laptop in to see if that made a difference and it still lags.

    Specs: Newest 13" rMBP base i5 CPU, 8GB RAM, 256GB HDD, Maverick's with all updates complete. Am I missing a setting somewhere? Latest Flash player installed as well. Tried Safari and Chrome, same issues. No other programs running besides a web browser with a single tab open with the video. Comcast 25mb/s internet speed with no router issues. Surely a $1500 laptop can stream 4K video! No?

    I can play downloaded 4K videos just fine, but I want to stream them and save the space on my HDD. Any input?

  2. FrozenDarkness macrumors 65816

    Mar 21, 2009
    could it be your connection? also flash is no bueno, i assumed you were streaming html5 when i first read this topic
  3. simonsi macrumors 601


    Jan 3, 2014
    Normally I'd suspect your internet connection speed to cause that (born out by downloaded video playing correctly).

    Oh and a workaround is to download, watch...and delete ;-)
  4. CheesyTators thread starter macrumors member

    Aug 26, 2010
    SE Michigan
    How would I switch to HTML5? Youtube defaults to Flash playback on this laptop. The videos are loading just fact the loading bar fills up long before the playback ends. Thanks for the thoughts so far.
  5. elpocholo7 macrumors newbie

    Jul 8, 2011
    Considering you've already tried playing 4K videos offline successfully, without any hiccups, the problem here lies in the bad and little optimization Flash Player has in reproducing 4K videos on the fly, hence the crazy CPU utilization / lag. Your machine clearly has got enough juice to do it, I guess you'll have to wait for Flash plugin update, or try using a different browser.
  6. CheesyTators thread starter macrumors member

    Aug 26, 2010
    SE Michigan
    Thanks, I figured it wasn't gonna happen. My desktop plays them just fine although that is in a class of it's own with a 4770K i7 and a GTX 660. Kind of a bummer no doubt. Really enjoy checking out the various 4K videos around the web on the retina display.
  7. iamfredrik macrumors member

    Jul 29, 2013
    Youtube defaults to HTML5 if you disable flash. I recommend that you download ClickToPlugin which allows you to click to load flash and other plugins when needed.
  8. Quinoky macrumors regular


    Sep 18, 2011
    Groningen, Netherlands
    Hmm I would have that looked at if I were you, my rMBP, same configuration, plays them just fine. Actually at 8% battery right now, no lag at all.

    Could you post some links here to the vids that lag on your MBP?
  9. CheesyTators thread starter macrumors member

    Aug 26, 2010
    SE Michigan
    Made a quick call to Applecare and they were able to replicate the issue on their rMBP which happened to be the same spec as mine according to the rep. It appears to be an issue with the site, Youtube in this case, which is causing the issue. The rep's laptop was doing the same thing as mine, lag and stutter on the exact same video although at different points in the video. We tested the hardware and no other issues were found on my rMBP.

    This is the video I was having trouble with once I changed the resolution to 4K.
  10. simon48 macrumors 65816


    Sep 1, 2010
  11. priitv8 macrumors 68030

    Jan 13, 2011
    Must be your connection. I tried it on my 15" rMBP on a 100Mbps ISP, and I see no lagginess in full res. But as you can see from the network graph, it taxed my WAN connection with 1.67 MBytes/s data rate!!

    Attached Files:

  12. Chatran macrumors member

    Jun 29, 2013
    15" rmbp come with quadcore, surely there won't be a problem.

    My 13" 2.4g haswell cannot play 4k video in youtube without lag too, fully loaded while playing (in both osx and bootcamp windows 7) with 9x degree temp.

    (My isp provides over 5MBytes/sec connection speed)

  13. CheesyTators thread starter macrumors member

    Aug 26, 2010
    SE Michigan
    I returned the 13" and going to save up a bit more and grab the 15" retina since I can use the bigger screen and also processing power that comes with it. It will be worth the investment over the next 5-6 years that I own it.

    Thanks for the replies everyone.
  14. jav6454 macrumors P6


    Nov 14, 2007
    1 Geostationary Tower Plaza
    Have you considered also the limitations of the 13". 30Hz refresh isn't much and it will look choppy.

    More to that, you net connection might be slower than you'd expected.
  15. priitv8 macrumors 68030

    Jan 13, 2011
    I will have to check the CPU load during the playback. I forgot to mention, that I used the Intel HD4000 iGPU, not the 650M.
  16. brroy macrumors newbie

    Oct 3, 2014
    Apologies for the Bump! Had to be said!

    Apologies for the bump :apple:

    I just purchased a 2.6ghz 8gb 128gb(ssd) base model retina new couple weeks ago. Been loving it so far. After owning a mid-2009 2.8ghz MacBook Pro which couldn't play 4k video for the life of it I made sure this one could. Went into an Apple store and played all the 4k video I could find online. No hesitation. Reminiscent of the days 5 years ago before my bought my macbook when my PC couldn't stream 1080p video without choppy lag, and being amazed how perfect 1080p played on the Macbook.

    What solved my problem for my Retina 13 was not a hardware issue, or connection issue. It was the flash used in the browser I was using -- Chrome. Not sure why but it skips frames and chops like hell. Open the same video into Safari after downloading the newest flash. AND BAM! :cool: Not one frame lost that I can see. Smooth as butter. Back to chrome, same chops.

    Any possible fixes for Chrome? I absolutely hate having to open Safari every time I wish to watch 4k.
  17. Samuelsan2001 macrumors 604

    Oct 24, 2013
    Unfortunately Chrome is rubbish on OSX

    You'll have to wait until google get around to optimising chrome for OSX it is so badly coded that it hogs all your resources and never works well. At the moment the only fix is not to use chrome.....
  18. apolloa macrumors G4

    Oct 21, 2008
    Time, because it rules EVERYTHING!
    I use Chrome beta because I like the layout, but it can crash now and then and its a right pain when it kicks in your discrete graphics card to view webpages. So yeah it isn't perfect yet.
  19. jjahshik32 macrumors 603

    Sep 4, 2006
    Meh, never liked Chrome to begin with. Hate using it and developing for it as well. Always causes issues or slightly different as to Internet Explorer and Firefox.
  20. brroy macrumors newbie

    Oct 3, 2014
    Ah, I see. Thanks for the response. I would expect more from the No.1 browser in the world. Might be adding safari back to the sacred OSX dock.
  21. sxm, Oct 29, 2014
    Last edited: Oct 29, 2014

    sxm macrumors newbie

    Oct 29, 2014
    This is, indeed, a pretty ****** problem.

    I've been using FF for a few months and clean memory - to watch the ram usage.
    While using FF the available RAM went down as hell, FF was using A LOT. Since there were many performance setbacks, i switched to chrome - to experience only worse problems.

    As the author, 4k videos are impossible to view within chrome. i switched to chrome, since it comes with an inbuilt flash-technology, which allowed me to uninstall that crap - i expected to save ressources that way and increase performance.
    Thought so. Chrome starts a couple of helper processes, one for every tab - which is fine, when it comes to security. BUT all processes use quite a lot of RAM, eventhough i did NOT surf on yt, fb, ressource-intense-sites with every tab.
    Well, watching those processes, i came across the fact, that many are not responding, reserving RAM and CPU-time for ... nothing. Well, kind of. Those processes are the plugins, xmarks, adblock, lastpass to name em. as soon as i force quit the not-responding helpers, all those plugin crash.
    there arises the question why those processes are "not-responding", eventhough they do work ...

    Within Safari, I am able to watch 4k-videos without any lag, i did not reinstall flash and just juse html5-vids.

    Since I do not want to use Safari, there needs to be an alternative, fine enough to go through 4k-videos without lags and is not distributed by apple.

    Does anyone have any suggestions concerning another browser?

    Thanks in advance,

    Ah, BTW. OSX Yosemite 2.4ghz i5, 8 gb ram

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