What is the maximum display supported by an Intel HD Graphics 4000 chipset on a Lenovo t430? I am considering buying a 1920×1200 monitor and wanted to make sure my graphics could support said resolution first.
The maximum display resolution on the Intel HD Graphics 4000 chipset on a Lenovo t430
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I'm running 2560×1600 on Intel HD 4000 without any tweaks:
There are some pitfalls like attempts to use HDMI display connection at standard HDMI 1.2 which cannot handle that resolution (you need HDMI 1.3, and above 2560×1600 you will need HDMI 1.4); or using cable with insufficient parameters for given link speed etc.
Add display type and HDMI level of your cables to the question to get more helpful answers.
The only thing that has worked so far was buying a Mini-DisplayPort to DisplayPort 1.2 cable. 3840x2160 @ 60Hz works great now.
It's disappointing that the Intel folks refuse to acknowledge the "maximum bandwidth exceeded" bug.
Best Answer
Intel HD Graphics 4000 supports resolution up to 1920×1200 through HDMI and 2560×1600 through DisplayPort. You should be safe.
Your Lenovo T430 has Mini DisplayPort connector on left side, so you can even reach for 30" or 32" displays with 2560×1600 (like Dell UltraSharp series).
I'm writing this answer from Lenovo with HD Graphics 4000 connected through HDMI to 1920×1200px LCD – so yeah, it definitely works.
It seems to be impossible to find specs document for HD 4000 directly at the Intel site (it was there before), but it is possible to find this information on many 3rd-party sites. Or check specifications of your laptop, it could be there. This is the best what can be found at Intel but specs are only partial there.
Additional note: 16:10 screen ratio is a good choice for productivity, I definitely recommend it over 16:9.