A 240Hz or 480Hz OLED monitor only runs at its advertised mode when the GPU output, the cable, and the monitor input all agree. The panel can be capable of 480Hz while the port or cable caps you lower.
The full explainer covers the bandwidth math (kept simple), what HDMI 2.1, HDMI 2.2, and DisplayPort 2.1 each provide, a 5-step checklist, and why a new cable never fixes a GPU limit.
Read the full explainer on Python OLED
Python OLED is an educational publication from Python Optic.
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