Just keep running the info screen and monitor the bandwidth in complex scene with too many components like people, textures, etc.
Lucky that you don't have any bandwidth issues, my otherwise rock stable 100up/100down fiber used to struggle getting even 2Mbps bandwidth from Netflix servers. Guess like me many terminated their services because of this issue and it got sorted now. However don't have a way to stream 4k right now as none of the current device I have supports it.
Currently testing a TCL 4k Android TV which is giving excellent black levels, minimal DSE and good response time (below average gaming performance though). May start a thread to post calibration settings and detailed review as the TV is real VFM around 45k for a real 55" 3x HDMI 2.0 supported 4k TV
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