MacPlus87

Q: Does the new Macbook Pro 15" (late 2013) supports 4K via Thunderbolt/Displayport?

I understand that the new Macbook Pro 15" (late 2013 with Nvidia) supports 4K screen resolutions via HDMI at low hertz. But does it support 4K via Thunderbolt/Displayport? I read on Intel's web that the NVIDIA GeForce GT 750M with 2GB memory in theory can support it. Would be important as a range of new 4K 32" monitors will come out over the next year. Would be great for photo, video editing etc.

MacBook Pro with Retina display, OS X Mavericks (10.9)

Posted on Oct 24, 2013 2:48 AM

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Q: Does the new Macbook Pro 15" (late 2013) supports 4K via Thunderbolt/Displayport?

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  • by NiqueXyZ,

    NiqueXyZ NiqueXyZ Dec 2, 2013 3:21 PM in response to kogir
    Level 1 (8 points)
    Mac OS X
    Dec 2, 2013 3:21 PM in response to kogir

    I have same results as Kogir with a Dell UP3214Q -- Tested this today in the lab.

    Windows 8.1's scaling / HiDPI mode is not very good, but whatever...at least it works at 60Hz; OS X can not even claim that title yet

     

    Yeah...they *have* to fix this...hopefully sometime this month...the new trashcantube / mac pro is supposed to be able to power 3 4K displays at 60Hz.  The MP uses AMD graphics but the problem I believe is in Mavericks itself.

  • by jdiamond,

    jdiamond jdiamond Dec 2, 2013 3:32 PM in response to NiqueXyZ
    Level 1 (4 points)
    Dec 2, 2013 3:32 PM in response to NiqueXyZ

    Thanks so much to both of you - wouldn't it be awesome if Apple sponsored their own compatibility lab? 

     

    I wonder if either of you could check one more Maverick driver question...  I have not yet seen any report of someone being able to do 2,560 resolution over HDMI on the Macbook Pro retina 15".  We know Maverick drivers support 4K@30Hz, and presumably 1080P, but don't know if the Apple drivers support anything in between.  The goal would be to optionally use the HDMI for a conventional 30" monitor.

     

    - Jeff

  • by kogir,

    kogir kogir Dec 2, 2013 3:53 PM in response to jdiamond
    Level 1 (10 points)
    Dec 2, 2013 3:53 PM in response to jdiamond

    Unfortunately I don't have a suitable display to test - The monitor would have to support HDMI 1.3 or above, and my Dell 3008WFPs don't.

     

    That said, this was possible on the original rMBP, so I doubt they've removed it.

  • by tr31,

    tr31 tr31 Dec 4, 2013 5:55 PM in response to NiqueXyZ
    Level 1 (0 points)
    Dec 4, 2013 5:55 PM in response to NiqueXyZ

    Hi NiqueXyZ,

     

    Sorry to bug you hear again. None of us have been able to reproduce your results re Gmail/Activesync using the mobileconfig and the UUID we discussed. Wondering if you might be able to paste the text of your mobileconfig file into the thread (minus identifying info) and/or tell us if we're missing a step. Is the only value we need from the old iPhone the value from the metadata plist? I'm assuming we are missing something else that's crucial.

     

    Thank you so much.

  • by ChrBart,

    ChrBart ChrBart Dec 5, 2013 1:21 PM in response to MacPlus87
    Level 1 (4 points)
    Apple TV
    Dec 5, 2013 1:21 PM in response to MacPlus87

    Hi Folks

     

    This is me using a 4K TV (Hisense 50") connected to a clamshelled rMBP (late2013) with a 2560*1440 Resolution. Works like a charm, but the 30 Hz bug me. A lot. The mouse-lag is (even when using smoothmouse) not funny.

     

    I'm wondering if Apple will change anything about that when the Mac Pro comes out. At least smoothers mouse-movement would be essential...

     

     

    The resolution was achieved with the tool RDM (http://www.reddit.com/r/apple/comments/vi9yf/set_your_retina_macbook_pros_resolu tion_to).

     

    Cheers and enjoy :-)

  • by ChrBart,

    ChrBart ChrBart Dec 5, 2013 1:43 PM in response to MacPlus87
    Level 1 (4 points)
    Apple TV
    Dec 5, 2013 1:43 PM in response to MacPlus87

    Oh and by the way: has anyone worked with a Thunderbolt-to-HDMI1.4 Cable for a 4K resolution? If so: Is the experience any better than with HDMI-to-HDMI?

     

    Thanks and best regards

     

    Christian

  • by kogir,

    kogir kogir Dec 5, 2013 4:45 PM in response to ChrBart
    Level 1 (10 points)
    Dec 5, 2013 4:45 PM in response to ChrBart

    ChrBart, your Retina MacBook Pro (late 2013) already has HDMI 1.4a and suports resolutions up to 3840x2160 at 30Hz via HDMI.  Are you looking to output to more than one display?

  • by ChrBart,

    ChrBart ChrBart Dec 6, 2013 5:23 AM in response to kogir
    Level 1 (4 points)
    Apple TV
    Dec 6, 2013 5:23 AM in response to kogir

    I'm looking for 60Hz at 3840x2160... but since HDMI 1.4 seems to be my TV's fastest port I guess I'm out of luck... or is there a way to output video via Ethernet? ;-)

  • by NiqueXyZ,

    NiqueXyZ NiqueXyZ Dec 6, 2013 5:59 AM in response to ChrBart
    Level 1 (8 points)
    Mac OS X
    Dec 6, 2013 5:59 AM in response to ChrBart

    Who makes your TV?

    Some of the manufacturers are offering free firmware upgrades to HDMI 2.0 (I believe Sony is the major one).

  • by johnniecache,

    johnniecache johnniecache Dec 6, 2013 6:06 AM in response to NiqueXyZ
    Level 1 (5 points)
    Dec 6, 2013 6:06 AM in response to NiqueXyZ

    but he would need HDMI 2.0 on both side, right? Afaik the MacBook Pro has only HDMI 1.4? Or is there a possibility to output HDMI 2.0 via Thunderbolt?

  • by NiqueXyZ,

    NiqueXyZ NiqueXyZ Dec 6, 2013 6:10 AM in response to johnniecache
    Level 1 (8 points)
    Mac OS X
    Dec 6, 2013 6:10 AM in response to johnniecache

    Yes, you would need output on both sides.

    NO macs support HDMI 2.0 yet.

    AFAIK no GPUs support HDMI 2.0 yet.

    You could output HDMI over thunderbolt, but you would need to create a thunderbolt GPU first.

    AJA / BlackMagic have them I believe -- but they don't have HDMI 2.0 yet...the HDMI 2.0 standard was just ratified in September.

     

    Next year it will be the year of 4K displays and HDMI 2.0 TVs and Monitors / Displays.

  • by jdiamond,

    jdiamond jdiamond Dec 6, 2013 6:58 AM in response to NiqueXyZ
    Level 1 (4 points)
    Dec 6, 2013 6:58 AM in response to NiqueXyZ

    If the GPU is already supporting 4K output, albeit at 30fps, then it seems like the only thing that could hold it back from 60fps output is whatever the physical max output signal rate it implements.  So if it can do 2,560x1,600 @ 120 Hz, then there's no reason it can't do 3,840 x 2,400 @ 60 Hz.

     

    But that's an excellent point, as that's the biggest unknown.  I have no doubt people will come out with Thunderbolt to HDMI 2.0 adapters.  And it seems like most 4K television makers in 2014 are coming out with TVs that also have Displayport in, so no adapter would be needed.

     

    So it seems like what we really need is a list of GPUs capable of outputting 4K@60Hz.

  • by NiqueXyZ,

    NiqueXyZ NiqueXyZ Dec 6, 2013 7:20 AM in response to jdiamond
    Level 1 (8 points)
    Mac OS X
    Dec 6, 2013 7:20 AM in response to jdiamond

    Correct.  Look up the HDMI spec on wikipedia.

    The Max output spec with 1.4x is 24Hz or 30Hz at 4K.

     

    GPUS *can* output 4K @ 60Hz but NOT over HDMI!

    They do it with multi-stream displayport!

     

    And they've been doing it since 2009 / 2010.

  • by ChrBart,

    ChrBart ChrBart Dec 6, 2013 8:05 AM in response to MacPlus87
    Level 1 (4 points)
    Apple TV
    Dec 6, 2013 8:05 AM in response to MacPlus87

    @johnniecache: that's what I'm trying to find out - so far I only found a 30(!!) Euro adapter on eBay. Ships from China and... just does not seem all too trustworthy. It claims to support 3D and 4K, but then again it could only support 3D- and 4K-enabled HDMI-Cables and only 1080p-Output? This is starting to confuse me ;-)

     

    @NiqueXyZ:

    • My TV is a Hisense... I really don't think they will be so gratefull, but I might give them a call to ask for that
    • So over the TB2-Port you're able to output more than 30Hz (since 2009 / 2010), correct? That's great news, since 30Hz is nice for watching a movie, but everything else is just too laggy. That means the only thing missing is a cable/adapter (TB2 > HDMI2) aaaand a TV/Display with HDMI2 or a DisplayPort1.2... well alright. Seems like we're trapped on both sides at the moment ;-)

     

    This is starting to get clearer.

  • by NiqueXyZ,

    NiqueXyZ NiqueXyZ Dec 6, 2013 8:23 AM in response to ChrBart
    Level 1 (8 points)
    Mac OS X
    Dec 6, 2013 8:23 AM in response to ChrBart

    The "Adapter" is not an adapter as you think.

    Thunderbolt is PCIe combined with displayport -- the "adapter" part of it would be a PCIe GPU inside of a box that connects to the host via thunderbolt and probably cost at least 500 dollars.

     

    DisplayPort 1.2 can do 60Hz at 4K using multi stream......there is no display port to HDMI adapter that goes higher than 1080p.

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