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Nope. Why would it? Same bandwidth, whether it's being done on DP or DVI.

So not even a TB display would eat into the TB bandwidth then?

I think he means TB/mDP ->DVI, or anything else - HDMI, DP, or VGA, uses the same amount of bandwidth since the video signal passes through TB/mDP.

To that end Apple has given us 3 TB controllers to futz with.

anandtech said:
The new Mac Pro integrates three Intel Falcon Ridge Thunderbolt 2 controllers. These are the fully configured controllers, each supporting and driving two Thunderbolt 2 connectors on the back of the Pro for a total of 6 ports.

Driving any monitor in any way through a Thunderbolt port uses the bandwidth on that controller/bus.

tbportmapping.png
 
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I did this. The cable was cheap ($15) even at Microcenter.

Try monoprice.com for great prices on a miniDP to DP cable.

I have seen some graphics degradation when using HDMI. MDP->DP is the best choice...

I tried two monoprice.com miniDP to DP cables and failed to get higher than 1080p with nMP and an LG 27EA83-D but an HDMI cable worked fine. I'm sure there is nothing wrong with the monoprice.com cables since I tried two with the same result. Any ideas why this LG 27EA83-D monitor does not like displayport?
 
I'm using a pretty generic mDP -> DP cable I got from Microcenter with an HP ZR2740w and no issues.

I assume the nMP is no offering higher res in the display panels and there is nothing of note in the monitor's OSD menus?
 
I'm using a pretty generic mDP -> DP cable I got from Microcenter with an HP ZR2740w and no issues.

I assume the nMP is no offering higher res in the display panels and there is nothing of note in the monitor's OSD menus?

1080p max in Scaled display options and see nothing much to change in the LG OSD for DP.
 
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