China Launches GPMI, a Powerful Alternative To HDMI and DisplayPort (tomshardware.com)
- Reference: 0176956885
- News link: https://it.slashdot.org/story/25/04/07/1917215/china-launches-gpmi-a-powerful-alternative-to-hdmi-and-displayport
- Source link: https://www.tomshardware.com/tech-industry/china-launches-hdmi-and-displayport-alternative-gpmi-boasts-up-to-192-gbps-bandwidth-480w-power-delivery
> The Shenzhen 8K UHD Video Industry Cooperation Alliance, a group made up of more than 50 Chinese companies, just released a new wired media communication standard called the General Purpose Media Interface or GPMI. This standard was developed to [2]support 8K and reduce the number of cables required to stream data and power from one device to another. According to HKEPC, the GPMI cable comes in two flavors -- a Type-B that seems to have a proprietary connector and a Type-C that is compatible with the USB-C standard.
>
> Because 8K has four times the number of pixels of 4K and 16 times more pixels than 1080p resolution, it means that GPMI is built to carry a lot more data than other current standards. There are other variables that can impact required bandwidth, of course, such as color depth and refresh rate. The GPMI Type-C connector is set to have a maximum bandwidth of 96 Gbps and deliver 240 watts of power. This is more than double the 40 Gbps data limit of USB4 and Thunderbolt 4, allowing you to transmit more data on the cable. However, it has the same power limit as that of the latest USB Type-C connector using the Extended Power Range (EPR) standard. GPMI Type-B beats all other cables, though, with its maximum bandwidth of 192 Gbps and power delivery of up to 480 watts.
[1] https://slashdot.org/~AmiMoJo
[2] https://www.tomshardware.com/tech-industry/china-launches-hdmi-and-displayport-alternative-gpmi-boasts-up-to-192-gbps-bandwidth-480w-power-delivery
Obligatory XKCD (Score:4, Insightful)
[1]Standards [xkcd.com].
[1] https://xkcd.com/927/
Re: (Score:2)
Usually this cartoon is overused, but in this case I agree, there are too many "standards" of high-def video ports. Barring some necessary feature, use EXISTING SHIT, xi!
Re: (Score:2)
> ... there are too many "standards" of high-def video ports. Barring some necessary feature, use EXISTING SHIT, xi!
From TFS:
> Because 8K has four times the number of pixels of 4K and 16 times more pixels than 1080p resolution,
> it means that GPMI is built to carry a lot more data than other current standards.
Re: (Score:2)
Wake me up when you can buy 8K content.
Is it less expensive? (Score:3)
Information poor article, anyone surprised?
What are the length restrictions for the advertised speed/power specifications?
Are their licensing requirements?
What ever.
Re: (Score:2)
Before or after tariffs?
More info required (Score:2)
Is it adequate to the task? Is it license-free?
If it's free, it could be a successor to DisplayPort.
Instant failure (Score:3)
The biggest immediate problem they will face is the cables because of the USB-C connector that isn't USB-C. The second issue is going to be the video encoding because no chips support it. I can understand being against HDMI because it's proprietary but snubbing display port is just stupid. Hell, if they had just taken display port and then added dedicated pins for power, it still would have been better than this. The only way this will get any traction is if China mandates it.
Re: (Score:2)
WTF do you need power on the same cable as the data?
Whats wrong with a separate power cord for a monitor?
Re: Instant failure (Score:2)
You could as easily ask, why do you need a separate cable for power if you can support power and data with a single cable?
Re: (Score:2)
> WTF do you need power on the same cable as the data?
> Whats wrong with a separate power cord for a monitor?
WTF? Less cabling is ALWAYS preferred.
May be too late for the pro-video world (Score:3)
Which is transitioning off baseband to IP Video workflows with either SMPTE-2110, IPMX and SDVoE. Maybe for gaming and general TV use but we are just getting DP2.1 support in the past 24 months finally.
It's still quite cool to push that much bandwidth down a cable but as others have said here it's kind of a dead end unless they submit this to VESA as maybe DP3.0?
Practicality of 8k for most uses? (Score:3)
Is there a practical home-use for an 8k monitor/TV? I'm all for the more is more philosophy, but I think at home sizes there's a point of diminishing returns that, if we haven't crossed it, we've got to be approaching. I have a 65" 4k TV that I sit only about 8 feet away from, and I honestly don't know how much more crisp that image needs to get. And I'm not sure most homes have room for something bigger. I suppose I *COULD* go up to 75" if I wanted to start soaking up the walkway around the living room, but how far are we gonna push the "more pixels" thing?
They are just flexing (Score:1)
My guess is this will not be much of a product in the end. But they are demonstrating they can do it and indeed, they can. Well, with the US in steep decline, somebody has to take over. It would have been nice if that had not been China, but it could have been worse.