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Manufacturers don't write hdmi version monitors support??

What gives?

 

Some specify DVI type, even DP type. But not HDMI?


Now I've got an EIZO monitor 120Hz, but it ONLY works through DP ?? what the fk.
HDMI support only 60Hz, nomatter what GPU it's connected to.

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it's due to limitations of HDMI bandwidth, it's likely not able to support 120hz at whatever resolution your monitor is.

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4 minutes ago, Edgar R. Zakarian said:

What gives?

 

Some specify DVI type, even DP type. But not HDMI?


Now I've got an EIZO monitor 120Hz, but it ONLY works through DP ?? what the fk.
HDMI support only 60Hz, nomatter what GPU it's connected to.

It's dependent on the manufacturer. Samsung for instance does list that information:

image.thumb.png.6d86171718f4287ed87d80b1e304c191.png

 

Also you can try going into your GPU utility and making a custom display resolution at that higher refresh rate. I for instance had to do that just to get the maximum 1440p @ 75HZ over HDMI my GPU supports.

 

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Look into the product's datasheet.

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You need to look more closely into the spec sheet of the product in question. But generally if an HDMI version is not advertised in the marketing material, then it probably is not the latest one. Also, when it comes to computers and monitors, DP is usually the preferred connector. 

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Listing HDMI version numbers is banned by the HDMI licensing agreement specifically to prevent this misconception, which is that you can use the "version number" to determine which features or video formats it supports or doesn't support.

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2 minutes ago, Glenwing said:

Listing HDMI version numbers is banned by the HDMI licensing agreement specifically to prevent this misconception, which is that you can use the "version number" to determine which features or video formats it supports or doesn't support.

 

Personally didn't know that. Good for HDMI, bad for the user. As then the buyer ends up a situation like the OP.

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20 minutes ago, Analog said:

Personally didn't know that. Good for HDMI, bad for the user. As then the buyer ends up a situation like the OP.

No, the use of version numbers to advertise feature support are what cause this situation. There are many displays advertised as "HDMI 1.4" but are still limited to 1080p 60 Hz over HDMI anyway, because version numbers aren't a real specification and different devices will have different capabilities.

 

The idea isn't to hide the information, it's for manufacturers to list it properly. Instead of saying "HDMI 1.4" they should say "HDMI up to 340 MHz TMDS" or "HDMI up to 165 MHz TMDS" to indicate how much bandwidth they support.

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