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Will the second usbc port work for display in Akitio Node Pro?
 

Will the second usbc port work for display in Akitio Node Pro?  

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(@bryanwongxin)
New Member
Joined: 8 months ago
 

I have a 13inch Macbook Pro 2018 and LG Ultrafine 5k
It seems only Akitio Node Pro have two usb-c port can plug both rmbp and 5k
I wonder will the GPU work if I plug the 5k into the second usb-c port?
thanks!

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Eightarmedpet
(@eightarmedpet)
Noble Member
Joined: 2 years ago
 

From what I remember, and smarter folk can correct me if wrong, while it may work the display will not be powered by the GPU. So you can daisy chain the 5K but it won't be the same as driving the display directly from the GPU like with the black magic. 

I use the 5K in Windows and can accelerate games on it despite no direct connection to eGPU.

2017 13" MacBook Pro Touch Bar
GTX1060 + AKiTiO Thunder3 + Win10
GTX1070 + Sonnet Breakaway Box + Win10
GTX1070 + Razer Core V1 + Win10
Vega 56 + Razer Core V1 + macOS + Win10
Vega 56 + Mantiz Venus + macOS + W10

---

LG 5K Ultrafine flickering issue fix


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(@bryanwongxin)
New Member
Joined: 8 months ago
 

according this post  https://www.macx.cn/thread-2216209-1-1.html
in system infomation,  dose it mean the eGPU work with LG 5k?

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itsage
(@itsage)
Famed Member Admin
Joined: 3 years ago
 

The second Thunderbolt 3 port on the enclosure can only provide DisplayPort passthrough from the Mac's iGPU/dGPU. The eGPU does not accelerate the external monitor directly in this arrangement. A 5K monitor such as the LG UltraFine actually robs bandwidth from the eGPU when daisy-chained. I tested connecting two 4K monitors to the AKiTiO Node Pro as well as a 5K monitor via a Thunderbolt 3 to dual DisplayPort adapter. It's best to connect the UltraFine 5K to another TB3 port rather than daisy-chain to the enclosure.

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(@bryanwongxin)
New Member
Joined: 8 months ago
 

What can I do to accelerate the LG 5k ?
Only blackmagic eGPU can do this job?

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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Eightarmedpet
(@eightarmedpet)
Noble Member
Joined: 2 years ago
 
Posted by: bryanwongxin

What can I do to accelerate the LG 5k ?
Only blackmagic eGPU can do this job?

Only the black magic can accelerate it directly but both windows and macOS have software options to choose any gpu, however there are performance hits due to the non directness.

2017 13" MacBook Pro Touch Bar
GTX1060 + AKiTiO Thunder3 + Win10
GTX1070 + Sonnet Breakaway Box + Win10
GTX1070 + Razer Core V1 + Win10
Vega 56 + Razer Core V1 + macOS + Win10
Vega 56 + Mantiz Venus + macOS + W10

---

LG 5K Ultrafine flickering issue fix


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(@bryanwongxin)
New Member
Joined: 8 months ago
 

Can I ask a question?
Is there  a hug gap between BlackMagice RX580 and Vega20 in 2018 Macbook Pro?

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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(@franck_kamayou)
New Member
Joined: 9 months ago
 

I just acquired a 5K display, however, I'm having issues getting it to work in Windows when the dGPU is disabled. I have the eGPU connected to one port of the 2017 MacBook Pro and the LG display connected to the other port. It just feels like the iGPU is not able to power the 5K display.

I also tried connecting the 5K display only without the eGPU and that too doesn't work. It seems like it would only work if the internal Radeon card is enabled. May be the Intel integrated graphics is not powerful enough. My eGPU is an AMD card, which is why I have to disable it, and I also disable the right ports on my Mac.

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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(@franck_kamayou)
New Member
Joined: 9 months ago
 

subbing

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OliverB
(@oliverb)
Noble Member
Joined: 9 months ago
 

Of course the intel iGPU is not powerful enough for a 5k disply.  You must use a dGPU or better an eGPU.
Why would you disable the right ports of your Mac? You don't remove two wheels of your sportscar, do you?

This post was modified 5 months ago

2018 15" MBP & 2015 13" MBP connected to RTX2080Ti GTX1080Ti GTX1080 Vega56 RX580 R9-290 GTX680


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joevt
(@joevt)
Reputable Member
Joined: 2 years ago
 
Posted by: Franck Camay

I just acquired a 5K display, however, I'm having issues getting it to work in Windows when the dGPU is disabled. I have the eGPU connected to one port of the 2017 MacBook Pro and the LG display connected to the other port. It just feels like the iGPU is not able to power the 5K display.

I also tried connecting the 5K display only without the eGPU and that too doesn't work. It seems like it would only work if the internal Radeon card is enabled. May be the Intel integrated graphics is not powerful enough. My eGPU is an AMD card, which is why I have to disable it, and I also disable the right ports on my Mac.

The iGPU of Intel CPUs can drive a 5K display. The display must be of the "dual link SST DisplayPort 1.2 over Thunderbolt" or "dual cable SST DisplayPort 1.2" varieties).

What is the model of the 5K display?

What is the model of the 2017 MacBook Pro? You say it only has two Thunderbolt 3 ports (the 13 inch) which means it doesn't have a dGPU. But you say you disabled the dGPU, which means it has four Thunderbolt ports (the 15 inch).

Anyway, in the case where there is a dGPU and you have four Thunderbolt ports, there is no connection between the iGPU and the Thunderbolt controllers (the iGPU is only connected to the laptop display). Therefore any external display must use the dGPU. The iGPU can only power 3 displays. With four Thunderbolt 3 ports, a dGPU is required to power 5 displays.

You want to connect the display to the eGPU for best performance (and because you disabled the dGPU). If it requires Thunderbolt, then you'll need a Thunderbolt add-in card to convert DisplayPort to Thunderbolt (discussed elsewhere in the forums).

Pending: Add my system information and expected eGPU configuration to my signature to give context to my posts


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