this post was submitted on 07 Apr 2025

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382

China launches HDMI and DisplayPort alternative — GPMI boasts up to 192 Gbps bandwidth, 480W power delivery (www.tomshardware.com)

submitted 3 days ago by schizoidman@lemm.ee to c/technology@lemmy.world

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[–] pennomi@lemmy.world 15 points 3 days ago (3 children)

Even an 80” tv only uses around 150W, if my research is correct. Surely this must be thinking about massive displays.

[–] Anivia@feddit.org 12 points 2 days ago (1 children)

Your research would be incorrect

[–] pennomi@lemmy.world 5 points 2 days ago (2 children)

Yeah it was a quick google search. Do you have better numbers available?

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[–] IllNess@infosec.pub 6 points 3 days ago

Now you can use one cable for two 80".

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[–] Burghler@sh.itjust.works 12 points 3 days ago (1 children)

Won't this heat up like a mother fucker

[–] avidamoeba@lemmy.ca 7 points 2 days ago* (last edited 2 days ago)

It depends on the voltage used. If they run 48V which seems to be supported by USB-C EPR. Then the cable has to do the same 5A it's capable of doing today. Then the heat is the same.

When it comes to their own new connector/cable they can use even higher voltage or more/thicker conductors for power.

[–] Reverendender@sh.itjust.works 9 points 3 days ago

If it’s physically more stable and reliable than HDMI, then count me in

[+] vane@lemmy.world -14 points 2 days ago (7 children)

If it's not usb-c it's banned in EU. Because we stopped there and we won't go forward.

[–] MDCCCLV@lemmy.ca 4 points 2 days ago (1 children)

I think you could have a second connector in addition to a main USBC.

Honestly we need higher capacity for screen cables for PC. Both HDMI and display port are limiting performance because of their low, 40-80gbps, bandwidth. Their performance maxes out at 4k120hz with uncompressed HDR color. You can't use 8k screens or multiple 4k screens without lowering quality.

[–] ceiphas@lemmy.world 2 points 2 days ago (2 children)

Where I work, everyone has 2 4k screens. You can use two cables to connect them, you know...

And every one of them has either put their scaling up to 150% or simply set them to 2k, because you cannot read a damn thing on them.

More than 4k is a theoretical need for a veeeery small market

[–] rmuk@feddit.uk 1 points 2 days ago* (last edited 2 days ago)

I disagree with the more than 4K being a theoretical need thing but, regardless, where I work, every desk has a pair of 4K monitors that connect to the user's laptop via a single USB-C cable. That cable also connects a keyboard, mouse, gigabit ethernet and, depending on the desk, 10Gb ethernet, multiple cameras and conference audio. The cable also charges the laptop, of course. At the moment that's mostly done using USB-C docking stations, but we've started to deploy monitors that are USB-C native and can be daisychained together.

[–] MDCCCLV@lemmy.ca 1 points 2 days ago (1 children)

Graphics cards only come with one HDMI port though. The LG OLED is popular for 4k screens because it ticks all the boxes and is much cheaper than equivalent gaming monitors, but that means it doesn't support dp.

And it means that you have to upgrade the graphics card just for the cable even if it is still relatively new. The point is that we shouldn't be held back by just a cable .

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[–] NeonKnight52@lemmy.ca 3 points 2 days ago (2 children)

Actually? I don't know much about that legislation. Does it really not have room built-in for tech improvements?

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