Hi , I was wondering since I bought a new graphics card should I use the hdmi or dp output?
I use a 4k TV as my monitor
Any help would be much appreciated
Take a look at the specifications for your TV, it will tell you the resolutions and refresh rates capable for each type of interface, then use the best one.
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DP is almost always better, unless your monitor/TV is old and has an older gneration DP and a newer generation HDMI which would seem a bit odd.
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Look in the settings for your TV for Displayport Compression. If you find it there you will benefit from a DP cable.
Especially for people who have older monitors, do check! For instance, I have a 24" 4K monitor that accepts 3840x2160 at up to 60 Hz on DisplayPort, but only up to 30 Hz on HDMI, because its HDMI interface is an older, more limited version that doesn’t carry enough bandwidth for the full 60 Hz frame rate.
More recent HDMI versions are pretty fully capable, but you’ll have to either check the documentation (or manufacturer’s website) or test both ways and confirm which works for you.
(If in doubt, DisplayPort will usually be as capable as, or more capable, than the HDMI interface. Reversals of this should be rare. :D)
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This.
DisplayPort can also carry audio (like HDMI) and most implementations these days support variable refresh rates, which is a major boon for gaming.
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Also check your monitor specs. Sometimes one or more ports is an older standard and does not support all resolutions. Also support for extra features can vary, for example one of my monitors is an AOC that supports HDR only on the display port and freesync only on the HDMI port.
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No one has mentioned cables. Here is a link to the cable discussion at displayport.org. The site indicates that low quality DP cables can affect the picture and that displayport.org “certified” cables will ensure best performance.
How to Choose a DisplayPort Cable and Not Get a Bad One - DisplayPort.
Thanks. -Redeye
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My benq monitor only supports 4k HDR at 30mhz when using hmdi, as it’s hdmi support doesn’t support the bandwidth. On DP it supports the full 60hz.
However on saying that, my DP cable which was bent, twisted and abused is now failing so it is struggling to achieve 60hz 4k hdr now. So yes you do need to make sure your cable is good, and certified for the bandwidth required for your resolutions. Here is a top, ignore the version numbers as they don’t always represent the bandwidth, instead look at the certified HBR support.
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i would definetly go for a DP connection. I had a headache with HMDI, can be seen in my
post here 
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My main monitor (1440p @ 165Hz) connects to DP, and my secondary monitor (1080p @ 60Hz) connects to HDMI.
I had a problem when I first connected my G2, and the HP tech immediately knew the problem was how the 3090 Ti handles HDMI. The regular 3090 doesn’t have the problem.
He suggested I buy a $40 8K HDMI repeater, and that fixed the problem. I have no idea why it worked, but it did.
Why would you want an 8K anything for a 1080p monitor?
Why not a better spec’d HDMI cable?
I think that it is 8K is irrelevant. The important thing is it is a repeater.
The fact that it is a repeater means the 4090TI does not see the headset and the VR headset does not see the 4090TI. Apparently this bypasses what ever conflict occurs when you directly connect the two.
That’s correct. It’s a 3090 Ti, but that’s not important. Apparently the Titan architecture of the Ti chipset causes a handshake issue when directly connected to the G2. The repeater fixes that problem. I think your analysis as to why is spot on.
Sorry, I failed to specify that the G2 connects via HDMI. Wrong of me to assume that people know that.
I had already swapped HDMI cables before I called HP tech support. The tech told me it wasn’t a cable issue, it was a handshake issue. And the reason the tech recommended an 8K repeater is because the Reverb G2 has a native resolution of 4320 x 2160. 4K is 3840 x 2160.
8K HDMI components are all backwards-compatible with lower HDMI resolutions.
Right, I have no knowledge of the G2.
But maybe a 4K repeater would have been okay to save cost.
Or a HDMI 4K cable spec’d for 4096x2160 if needed by the G2.
Also, I have no knowledge or experience with HDMI Repeaters.
But I can’t see the point of putting a 8K HDMI Repeater on a 4K HDMI cable.
It is evident that this is something that I should not be commenting on
due to my lack of knowledge.
4K (Cinema) = 4096x2160
4K (UHD) = 3840x2160
8K (UHD) = 7680x4320
No worries. What matters is learning. I have the advantage of having 30 years of experience in the broadcast video world. Lots of overlap with computers these days.
BUT G2 needs at least 4120x2160
neither of those will work
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