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G5 5590 - 1440p 165hz and G-sync support and cable options?

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Hello, sorry couldn´t find clear information about this topic after couple of days doing research: I´m planning to buy an ASUS VG27AQ 27 1440p  up to 165Hz. 

The G5 5590 have a RTX2060 card, can it handle that monitor at 1440p/165hz with G-sync? 

If the laptop can handle that monitor specs,  what cable and if my computer supports it. I´ve read that G-Sync only works in DisplayPort connections. The G5 5590 does have mini-DP and usb-C type. Which cable should I use to get the best performance in 1440p? USB-C to DisplayPort or mini DisplayPort to DisplayPort? Are they cable versions I should be aware of? 

Thank you very much

 

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Re: G5 5590 - 1440p 165hz and G-sync support and cable options?

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@sq-gt  I can't see your images yet because image uploads are initially visible only to the person who uploaded them and to Dell moderators until they get approved, but if HDMI and Mini-DisplayPort are showing as connected directly to the NVIDIA GPU, then yes a Mini-DisplayPort to DisplayPort cable (or Mini-DisplayPort to Mini-DisplayPort cable, depending on the inputs available on your display) is what you'll want to use for G-Sync.  That also means that you'd be able to use VR headsets that use either HDMI or DisplayPort for their video feed, which is rather handy.  Have fun!

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Re: G5 5590 - 1440p 165hz and G-sync support and cable options?

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Even a $1,000 (or nearly) RTX2080 desktop card won't drive 1440p/165Hz at anywhere near acceptable levels - there is no way you can do it with an RTX2060 in a notebook that in total probably cost somewhere around what just an RTX2080 card does.

 

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Re: G5 5590 - 1440p 165hz and G-sync support and cable options?

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Hello @ejn63, thank you for your reply.

Because of what you said,  I've done more research and I see now that I won't be able to use those 3 settings at the same time, but I guess I may use combinations of those settings for different task, for example: for everyday office work, I can take advantage of the 1440p resolution (multi window arrangement, etc) without worrying about the hz and g-sync. And for gaming with G-sync I will have to lower resolution and quality to get higher FPS and take advantage of the Hz. I've read RTX 2060 can handle some games up to 144hz 

I'm looking for a versatile setup that can take advantage of G-sync... i'm not a professional gamer but If my graphic card has the option... then why not.

I see now that this monitor will be overpowered for the G5  5590, but at least will be versatile to suit different scenarios.

Thank you again.

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Re: G5 5590 - 1440p 165hz and G-sync support and cable options?

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@sq-gt  G-Sync only works over DisplayPort (and USB-C, which uses DisplayPort signaling for video), but it also requires that the display output be wired directly to the NVIDIA GPU.  Many laptops have most or all outputs wired to the Intel GPU, with the NVIDIA GPU operating as a render-only device through a technology called NVIDIA Optimus.  That has battery life advantages since it allows the NVIDIA GPU to be completely disabled when its horsepower isn't needed, but it prevents G-Sync from being used (as well as VR, Adaptive V-Sync, stereoscopic 3D, and some other technologies).

So before you buy your display, check whether either the USB-C or Mini-DisplayPort output is wired to the NVIDIA GPU.  To do that, connect a display to the output, then go to NVIDIA Control Panel and open the PhysX Configuration section, which will include a diagram showing which GPU controls each active display.  If the display you connected as a test shows as being wired to the Intel GPU, you won't be able to use G-Sync through that output.  To my knowledge, all current Dell systems have their USB-C/TB3 ports wired to the Intel GPU, except Precision 7000 Series systems that have a BIOS option allowing you to choose which GPU controls the display outputs -- but that capability doesn't seem to be implemented elsewhere.  The Mini-DisplayPort output is your best bet here, because some Alienware and Inspiron Gaming systems do have at least one display output wired to the discrete GPU specifically to support technologies like VR, G-Sync, etc.

In terms of cables, I'm pretty sure 1440p 165 Hz will run over a regular DisplayPort 1.2 interface, in which case you wouldn't need anything special because DisplayPort 1.2 has been around for a long time, so you'd need a truly ancient DisplayPort cable for it not to support at least 1.2.

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Re: G5 5590 - 1440p 165hz and G-sync support and cable options?

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Thank you very much! I did several test and here are the results, please confirm the conclusions below if they are correct.

Control: no device connected:

no-device-connected.jpg

Test A: Device connected directly to HDMI

hdmi.jpg

Test B: USBc with adapter to VGA (old monitor)

usbc-adapter-vga.jpg

Test C: miniDP to adapter to VGA

miniDP-adapt-vga.jpg

Test D : USBc to adapter to HDMI

usbc-adapter-hdmi.jpg

Can you confirm the following conclusions?

1. Mini-DP and HDMI has direct connection to RTX2060

2. USBc does NOT have direct connection to RTX2060

3. To make G-SYNC work, my only option will be to buy a cable with the following configuration: Mini-DP to DisplayPort

 

Thank you very much.

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Re: G5 5590 - 1440p 165hz and G-sync support and cable options?

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@sq-gt  I can't see your images yet because image uploads are initially visible only to the person who uploaded them and to Dell moderators until they get approved, but if HDMI and Mini-DisplayPort are showing as connected directly to the NVIDIA GPU, then yes a Mini-DisplayPort to DisplayPort cable (or Mini-DisplayPort to Mini-DisplayPort cable, depending on the inputs available on your display) is what you'll want to use for G-Sync.  That also means that you'd be able to use VR headsets that use either HDMI or DisplayPort for their video feed, which is rather handy.  Have fun!

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