September 10th, 2020 11:00

The Vostro 14 5000 notebook which has a 1st generation USB 3.1 Type C ™ port (DP / PowerDelivery) and dedicated NVIDIA® GeForce® MX230 video card with 2GB of GDDR5, can connect to a 4k monitor via USB-C cable in 4k resolution 60 hz? And via HDMI port on a 4k monitor, what is the maximum supported resolution?
Can the USB-C port connected to a 4K USB-C monitor (Example: Dell Monitor U2720Q) also be used to charge the notebook's battery?
Model: https://www.dell.com/pt-br/work/shop/notebooks-dell/vostro-14-5000/spd/vostro-14-5490-laptop/cv5490w4109brw1

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September 10th, 2020 11:00

In terms of your question, if you have a USB-C port that supports DisplayPort output, then you can run 4K 60 Hz as long as you use a USB-C to DisplayPort cable/adapter or USB-C to HDMI 2.0 cable/adapter and connect it directly to the system, not through any sort of multi-purpose hub.  Those hubs typically cut video bandwidth in half in order to run video and USB 3.x data simultaneously.  If you have a display that has both DisplayPort and HDMI 2.0 inputs, I would recommend using USB-C to DisplayPort instead of USB-C to HDMI 2.0.

Not sure what is possible from the HDMI output on your system since I don't know your system model.  But if you go to support.dell.com and search your Service Tag, you can also go to the Documentation section, where you should find a Setup and Specifications document.  See if the HDMI port revision is identified there somewhere.  If it's HDMI 2.0, you can run 4K 60 Hz.  If it's HDMI 1.4, you can only run 4K 30 Hz or 1440p 60 Hz.  If it just says "HDMI" without indicating a revision, then it is probably HDMI 1.4.

In terms of charging the system from a USB-C display, that would depend on whether your system supports that.  If the specs just say "Power Delivery", then that is not clear because USB Power Delivery can operate in both directions, meaning it can be used to provide more power than normal to USB peripherals or to receive more power than normal to charge the laptop.  But not all laptops support USB PD in both directions.  So if the specs aren't clear, then the best test would be to simply connect a USB-C charger and see what happens.  You don't damage anything because if the system doesn't support USB-C charging, then the charger won't provide any power.  But make sure you use a USB-C charger that's designed for laptops, not a low power charger designed for smartphones, otherwise your laptop might ignore the charger simply because it's low wattage.  I would recommend at least a 60W charger to test.  But if your system charges that way, then yes it would be able to charge from a USB-C display that provides enough power.  To find out how much power your system is designed for, check the wattage on the power supply that came with the system.  Even if that is not a USB-C charger, the system would want the same wattage over USB-C for full performance.

September 10th, 2020 12:00

It is Vostro 5490.

September 12th, 2020 05:00

Does this monitor Dell u2720q support 4k 60 hz resolution via HDMI connection?

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September 12th, 2020 18:00

@felipeccardoso  As I've said in other replies to you, 4K 60 Hz over HDMI requires HDMI 2.0.  The Tech Specs section of the U2720Q clearly states that it includes an HDMI 2.0 input.  So yes it will accept 4K 60 Hz via HDMI, as long as you connect it to a device that supports sending 4K 60 Hz over HDMI.  If your source system only supports HDMI 1.4, however, then the system will prevent sending 4K 60 Hz over HDMI even though the display would support it.

September 13th, 2020 10:00

If there is no Dell notebook option that supports 4K 3840×2160 60Hz for this external monitor Dell U2720Q, for me the resolution in QHD / WQHD / 2K 2560x1440 60Hz would be good too, because I can't see much difference on a 27" monitor with 2K resolution compared to 4K resolution. I will not use it for heavy games, which require a lot of graphics processing. If you also have no option with USB Type-C connection, what are the options with HDMI for this case?

Resolution on external monitor limited to 1920x1080 using HDMI

I am a little concerned about some Dell notebooks, which on some websites say that there is a limitation for limited resolution on external monitors. There is no clear documentation that says which Dell notebook models have this type of limitation.

September 13th, 2020 15:00

Inspiron 5590 notebook which has a 1st generation USB 3.1 Type C ™ port (DP / PowerDelivery) and dedicated NVIDIA® GeForce® MX230 video card with 2GB of GDDR5, can connect to a 4k monitor (Example: Dell Monitor U2720Q) via USB-C cable in 4k resolution 60 hz? And connected to a 4k monitor (Example: Dell Monitor U2720Q) via HDMI cable, what is the maximum supported resolution for HDMI?

Can the USB-C port connected to a 4K USB-C monitor (Example: Dell Monitor U2720Q) also be used to charge the notebook's battery?

Inspiron 5590: https://www.dell.com/pt-br/shop/laptops/tela-15/spd/inspiron-15-5590-laptop

September 13th, 2020 15:00


The Vostro 5490 notebook which has a 1st generation USB 3.1 Type C ™ port (DP / PowerDelivery) and dedicated NVIDIA® GeForce® MX230 video card with 2GB of GDDR5, can connect to a 4k monitor (Example: Dell Monitor U2720Q) via USB-C cable in 4k resolution 60 hz? And connected to a 4k monitor (Example: Dell Monitor U2720Q) via HDMI cable, what is the maximum supported resolution for HDMI?

Can the USB-C port connected to a 4K USB-C monitor (Example: Dell Monitor U2720Q) also be used to charge the notebook's battery?

Vostro 5490: https://www.dell.com/pt-br/work/shop/notebooks-dell/novo-notebook-vostro-14-5000/spd/vostro-14-5490-laptop

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September 14th, 2020 08:00

@felipeccardoso  You keep posting questions about displays by creating a bunch of new topics and posting in a bunch of other people's existing topics.  I've answered some of your questions in some of those, but you haven't even acknowledged that.  Rather than continuing to post the same sorts of questions all over the place and not even acknowledging the answers you've been getting, how about creating one topic for your discussion so that information can stay organized, and then actually acknowledging the answers you get?

Intel GPUs have supported 4K 60 Hz going back at least to the Intel HD Graphics 4600, which I had in my XPS 15 9530 that was introduced in late 2013.  So any reasonably recent Dell laptop will have a GPU capable of running 4K 60 Hz.  The additional consideration is the type of display output it offers.  If the GPU is capable of a resolution but there are no display outputs that can carry that signal, then you won't be able to run a 4K 60 Hz display.  An HDMI 1.4 output will only run 4K 30 Hz or QHD/1440p 60 Hz (that is the resolution you are incorrectly calling "2K".)  An HDMI 2.0 output will run 4K 60 Hz.

The systems you found mentioned in that KB article about HDMI output being limited to 1080p are a special case.  Dell originally advertised those systems as having HDMI 1.4 outputs, but customers started complaining that they couldn't run anything above 1080p.  Then Dell retroactively updated their documentation to say they only supported 1080p, and published that KB article.  The original version of that KB only acknowledged that one system was affected.  Dell hasn't explained what happened there, but I think that was a design or manufacturing error, because those system models were released in 2019, and it would make no sense at all to have a system deliberately limited to 1080p in 2019.  Dell seems to have screwed something up with those systems even if they won't admit it.

As for USB-C, if you use a USB-C to DisplayPort cable/adapter or a USB-C to HDMI 2.0 cable/adapter, you can also run 4K 60 Hz.  But if you use a native USB-C connection, it will depend on how the display sets the USB-C link up.  If it sets it up for video and USB 3.x data, then you'll only have half of a DisplayPort link's bandwidth available, and if your system only supports DisplayPort 1.2 over USB-C, then that will only be enough for 4K 30 Hz or QHD/1440p 60 Hz.  (If your system and display both support DisplayPort 1.4 over USB-C, then a half bandwidth link is enough for 4K 60 Hz, but DP 1.4 is still pretty uncommon as of this writing.)  If the display sets the USB-C link up for USB 2.0 in order to maximize video bandwidth, then even a DP 1.2 system can run 4K 60 Hz.  Some displays allow you to configure the display to specify how it should set up the USB-C link to optimize either for USB data speed or display bandwidth, depending on what type of system you have and whether you might want additional video bandwidth to run a daisy chain.  On Dell displays that support this option, it's called "USB-C Prioritization".  Check the manual of the U2720Q to see if it offers that; you can find it on support.dell.com.

As for your E490, are you sure that you're running at 60 Hz rather than 30 Hz?  Because mouse lags sound like 30 Hz to me.  If you're sure, then there are certainly other reasons you can have laggy performance.  As for the image not being smooth, if you're running that display and some other display at the same time, and the displays don't all use the same scaling factor, then your issue could be due to how Windows handles multiple simultaneous scale factors.  Or it could just be general scaling artifacts that occur when you have even a single display using a scale factor other than 100%.  Some Windows applications still don't handle scaling well, which can make getting displays with high pixel densities a bit of a risk.

As for 4K vs. QHD/1440p on a 27" display, I strongly prefer QHD/1440p.  The reason is that 27" 4K in my opinion is the worst of both worlds.  It results in a pixel density high enough that you'll need to enable scaling, which again some applications still don't handle well, but NOT high enough to give you a "Retina display" experience with razor sharp text.  It's stuck somewhere in the middle.  For a Retina experience at 27", you need 5K resolution, or if you want Retina at 4K you'd need to drop to 24".  By comparison, 27" QHD/1440p is usable at 100% scaling for most people, so you avoid those potential scaling issues.

As for the term "2K" resolution, that is actually a film resolution of 2048x1080, and when used in the consumer space it refers to the nearest and slightly LOWER resolution of 1920x1080.  This is just like "4K", which is also a film resolution of 4096x2160, but when used in the consumer space refers to a lower resolution of 3840x2160.  I realize that several people use 2K incorrectly to refer to 2560x1440, but that is incorrect, and the confusion that is created by that widespread misuse means it's basically a useless term now even for people who would use it correctly.  And when asking technical questions, confusion should be avoided in order to ensure that you're getting answers that are accurate.  That's why QHD or 1440p are much better terms, since there's no ambiguity there.  QHD is only one extra character to type over 2K, but it adds a lot of disambiguation value.

September 14th, 2020 09:00

Regarding the Lenovo E490, it is configured with a 3840 X 2160 resolution at 60 Hz via USB-C cable, which this cable is used to charge the notebook battery and also with a display port function (to the Dell U2720Q monitor ). But as I said, if you control the resolution to 2560 x 1440 at 60 Hz, with the same USB-C cable, it's perfect.

Mouse clicks sometimes take a while to have an effect, for example, within Outlook, when it is configured in 3840 X 2160 resolution at 60 Hz.

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September 14th, 2020 11:00

@felipeccardoso  Well then I'm not sure what to tell you.  I ran a 4K 60 Hz display from an Intel HD Graphics 4600 and didn't have the problems you're describing when using basic productivity apps.  (You're welcome for the time I took to write that long reply to your numerous questions, by the way.  Not to mention the other replies I posted elsewhere....)

September 16th, 2020 01:00

I think Yes. You can Run 4k With HDMi cable.

September 16th, 2020 04:00

And via usb-c cable connected to this type of monitor, what is the maximum resolution supported with these notebook models? Is it even possible to charge the notebook battery via usb-c cable connected to the external monitor?

September 19th, 2020 05:00

I will continue to post, as I contact Dell to find out this information and they do not give a correct answer, or simply do not know. I need this information, as I will buy one of the models below:

 

Vostro 5490: https://www.dell.com/pt-br/work/shop/notebooks-dell/novo-notebook-vostro-14-5000/spd/vostro-14-5490-laptop

Inspiron 5590: https://www.dell.com/pt-br/shop/laptops/tela-15/spd/inspiron-15-5590-laptop

Inspirton 5490: https://www.dell.com/pt-br/shop/laptops/tela-14/spd/inspiron-14-5490-laptop

September 19th, 2020 05:00

I want to buy one of the models below:

Vostro 5490: https://www.dell.com/en-us/work/shop/notebooks-dell/novo-notebook-vostro-14-5000/spd/vostro-14-5490-laptop

Inspiron 5590: https://www.dell.com/en-us/shop/laptops/tela-15/spd/inspiron-15-5590-laptop

Inspirton 5490: https://www.dell.com/en-us/shop/laptops/tela-14/spd/inspiron-14-5490-laptop

 

The notebook Vostro 5490 and Inspiron 5590/5490 notebook that have a 1st generation USB 3.1 Type C ™ port (DP / PowerDelivery) and dedicated NVIDIA® GeForce® MX230 / MX250 video card with 2 GB of GDDR5, can connect to a monitor 4k (Example: Dell U2720Q Monitor) via USB-C cable in 4k 60 Hz resolution? And connected to a 4k monitor (Example: Dell Monitor U2720Q) via HDMI cable, What is the maximum supported resolution for HDMI?

Can the USB-C port of these notebooks connected to a 4K USB-C monitor (example: Dell Monitor U2720Q) also be used to charge the notebook's battery and at the same time output video to the monitor?

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