LG CX OLED Issues with NVIDIA GeForce RTX 3080 GPUs: Forced Chroma Subsampling, Broken G-SYNC

[Tsing]

Image: NVIDIA



Update – 9/22/2020 – NVIDIA has let us know that the below issue will be resolved with a firmware update that LG will roll out to its customers.



If you’re thinking of pairing NVIDIA’s new flagship graphics card with one of LG’s CX Class OLED TVs, you may be in for a sub-optimal display experience. Users on AVS Forum, HardForum, and reddit are complaining about forced chroma subsampling in 4K/120 Hz mode, whereby uncompressed 4:4:4 signals are being delivered in 4:2:2. That’s a little odd for a display with HDMI 2.1 ports rated for 40 Gbps of bandwidth.



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[Dudhunter]

**** I thought this would be the way.

 

[THUMPer]

I'm sure LG is all over this, and a fix is coming!

 

[Armenius]

Vincent confirmed LG is working on a firmware fix. I hope people testing this and those who made a stink about it were actually using an Ultra High Speed cable. From those sources, it should be true.