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x230 4K support via (mini-DisplayPort to DisplayPort) even if only at 30 Hz

2019-03-08, 9:59 AM


Hi. I know there is a discussion here about the x230t supporting 4k, but my model is the x230, and also the said topic ended without a clear answer.


Since now 4K TV's and monitors are so common, could someone please confirm that if we connect an x230 to a 4k display, through DisplayPort, we can get 4K resolution out of it (at 30 Hz) ?


I want to order an LG 24UD58 online (that is a still at about 200 bucks), for the purpose of reading PDFs and using Office (not gaming), but the only place that says it can be done is this, and I needed confirmation (please).


Thank you so much. I think this information could even bring new life to existing x230's and please many owners ;)




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Re: x230 4K support via (mini-DisplayPort to DisplayPort) even if only at 30 Hz

2019-03-12, 12:05 PM



I do not have a ThinkPad X230 myself, but I read that it has an Intel HD Graphics 4000 IGP, which supports up to 1920x1200 via HDMI and 2560x1600 via DisplayPort.  That said, I did see this discussion about adding custom modes in a second location: https://superuser.com/questions/964703/what-is-the-maximum-display-resolution-on-the-intel-hd-graphics-4000-chipset-on.


My guess is this is such a scarcely-used configuration that you'll have to do some testing and tweaking yourself to confirm it works with your particular hardware configuration.




Aryeh Goretsky


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Re: x230 4K support via (mini-DisplayPort to DisplayPort) even if only at 30 Hz

2020-01-06, 5:33 AM


I have two laptops, x220 and x230 and I can confirm that both models are able to output 3840x2160 at 30 Hz, however I only checked it in Debian Linux, where it works out of the box. Also the graphics output is very slow in x220, almost unusable (it was already difficult to read a PDF smoothly). x230 is much better, but still rather slow, usable for office work, but impossible to watch 4K youtube videos and I think even lower resolution videos weren't playing smoothly.


I wasn't able yet to get 4K resolution on my 4K TV, but I might be using a wrong DP to HDMI adapter, or maybe the TV doesn't support 30 Hz input from a computer.

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