My CAC-1085 arrived today. I’m currently using it with a RTX 2080Ti and a LG 55″ SM9000 Nanocell TV (the one equipped with four full bandwidth 48Gbps HDMI 2.1 sockets which also uses the Alpha 7 gen2 processor – same as the B9 OLED).
The adapter feels very much like a prototype rather than a finished product. I can get 4K 120hz + 8-bit or 10-bit Full RGB color. I can only do 4K 120hz + 12-bit with 4:2:2 chroma sampling. I prefer 4K 120hz 10-bit Full RGB. It seems to give the clearest text and most vibrant colors. There is also no ghosting or motion blurring @ 4K 120hz which is really nice.
The adapter does not support G-sync or Freesync but it does support bog standard V-sync to prevent tearing.
The one huge caveat to this adapter is that its handshake between the graphics card, adapter and TV seems to be very brittle. And what I mean by that is, whenever I switch between HDR to SDR or vice versa, the screen will go black and stay black until I pull the USB power cord out of the adapter and put it back in again to turn it back on.
The same thing happens after I close down a game when i’m finished playing it. The transition from game screen to the desktop screen once again turns the screen black until I power down the adapter and switch it back on again.
It’s really annoying to have to keep on powering it off and on but when it’s working, everything looks so good.
FYI, I’m using a 48Gbps Belkin HDMI 2.1 (2m) cable to connect.
Another thing I noticed is that in SDR mode, I only need to set the TV’s colour setting to 50. But in HDR mode, colours look very washed out until I turn the TV’s colour setting up to 80-85 so that colours pop as much as they do in SDR mode.
For those LG SM9000/B9/C9/CX users out there, in the Picture Settings, I’m using Game Mode and all 4 HDMI sockets have HDMI Ultra HD Deep Color turned on. In the Input Home Dashboard I’ve also edited the HDMI socket hooked up to the Club3D Adapter/GPU to ‘PC Input’.