this post was submitted on 05 Jan 2024
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Absolutely not. I finally got a 4K 120hz OLED TV which needs a HDMI 2.1 cable. Ordered a certified one and I couldn't get 120hz to run whatever way I tried. I managed to force it one time and the TV screen black screened every two seconds. After doing everything else (reinstall GPU drivers, messing with settings) I finally ordered a different HDMI cable.
Plugged it in, set 120hz, it worked. Both cables are certified, but one was trash.
Even with the new cable I sometimes get a short black screen now, but I have no clue if it's the cable's fault or the TV. HDMI cables are a total mess when you actually want to use the full bandwidth :-/
I switched to 4K 60hz for now as I don't really game on the TV anyway, it also allows me to use TrueMotion again (which seemingly doesn't run at 120hz). Either way I get anxious about HDMI cables now, lol.