4K over Thunderbolt 2 ?

comatory

macrumors 6502a
Original poster
Apr 10, 2012
736
0
I have late 2013 Macbook Pro 15" with Nvidia 750M. I believe this model comes with Thunderbolt 2. From what I found online, this model can output 4k (3840x2160) at 30Hz over HDMI connection.
My question is, could you possibly output this resolution over TB/DP port? Would this be limited to 30Hz as well? I was looking into getting new display and I guess 30Hz is alright but 60Hz would be better.
Thanks for answers
 

Samuelsan2001

macrumors 604
Oct 24, 2013
7,694
2,121
I have late 2013 Macbook Pro 15" with Nvidia 750M. I believe this model comes with Thunderbolt 2. From what I found online, this model can output 4k (3840x2160) at 30Hz over HDMI connection.
My question is, could you possibly output this resolution over TB/DP port? Would this be limited to 30Hz as well? I was looking into getting new display and I guess 30Hz is alright but 60Hz would be better.
Thanks for answers
Yes you need a mini display port to HDMI 2.0 cable.

something like this

https://www.amazon.co.uk/d/Cables-B...8&sr=8-3&keywords=mini+displayport+to+hdmi+4k
 

Samuelsan2001

macrumors 604
Oct 24, 2013
7,694
2,121
So that's yes for 60Hz? The cables don't matter I guess, I believe the monitor input would be sth like display port (so miniDP - DP cable would be needed).
Cables do matter, a lot. But the MBP only has 1.4 HDMI output so that limits you to 30 Hz, The TB2 will act as a display port allowing 60hz to an HDMI 2.0 monitor input with the right cable or you can get a decent Mini DP to display port cable if your monitor has the latest DP protocol input but again the cost and quality can make a huge difference to lag and refresh rate.
 
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