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And it'll take 10 years for a monitor to come out that will use it.
I didn’t read the article, and I haven’t fully divided in yet, but does that mean that TB3 will be able to do DP 2.0 out of the box or with a firmware update or similar? Or will those with TB3 have to buy new hardware to support the standard?
Extremely doubtful, given that they're reversing the 'receiving' side of the duplex connection so that the bandwidth is all going one way. Hard to see existing Thunderbolt controllers doing that, as they likely don't have the bandwidth available from the motherboard even if they could be programmed to do so.
Interesting development. Read a few articles and I think Anandtech did the best job of breaking down the new standard:
https://www.anandtech.com/show/1459...-20-standard-bandwidth-for-8k-monitors-beyond
Basically, VESA is taking TB3 and its four 20Gbps lanes and making them all unidirectional for a full 80Gbps bandwidth one way, and slapping on DP / USB-C connectors. The one side effect of pushing that much bandwidth is that it will require active cabling. So while a DP 2.0 cable will be backwards compatible with 1.x ports, you'll need to pair a 2.0 cable with a 2.0 port if you want to achieve something like 4K 144Hz HDR 4:4:4 chroma, which I believe is the holy grail right now..
I'm hoping displayport 2.0 gets adopted faster than HDMI 2.1 - that has been the pattern in the past, the reduced cost and closed systems (e.g. internal laptop use) makes it a lot easier to implement in some ways. For desktop monitor use a lot will depend on video cards being released with support. If either AMD or Nvidia releases a card with it, there will be a temptation for monitor makers to grab the early adopter market with a new monitor, assuming the DP 2.0 ASICs are available.
The signalling rate question is interesting. If you want to use existing passive cables 6-9 feet max, you would be limited to 40gbit. Reaching the max bitrates would require new cables, and active cables are not cheap. 40gbit with DSC etc. and higher efficiency would still be a step up from what's available today, so I can see this only being for a 4k 144hz 4:4:4 HDR stream. You could get 4k120 RGB over regular cable. I also wonder if the USB-C controller output on RTX cards can be made to output this format already, with firmware updates at the existing/lower signalling rate (i.e. 40gbit).
I'm hoping displayport 2.0 gets adopted faster than HDMI 2.1 - that has been the pattern in the past, the reduced cost and closed systems (e.g. internal laptop use) makes it a lot easier to implement in some ways. For desktop monitor use a lot will depend on video cards being released with support. If either AMD or Nvidia releases a card with it, there will be a temptation for monitor makers to grab the early adopter market with a new monitor, assuming the DP 2.0 ASICs are available.
The signalling rate question is interesting. If you want to use existing passive cables 6-9 feet max, you would be limited to 40gbit. Reaching the max bitrates would require new cables, and active cables are not cheap. 40gbit with DSC etc. and higher efficiency would still be a step up from what's available today, so I can see this only being for a 4k 144hz 4:4:4 HDR stream. You could get 4k120 RGB over regular cable. I also wonder if the USB-C controller output on RTX cards can be made to output this format already, with firmware updates at the existing/lower signalling rate (i.e. 40gbit).
I'm far more interested in HDMI 2.1 just because we'll finally be able to use a home theater receiver and get VRR without some phantom monitor bullshit.
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Besides, do we *really* need more then the 12k/120Hz HDMI 2.1 supports?