Many Vizio TVs will have an entire submenu called clarity. The sharpness control should be set at or close to zero. This is because the sharpness control doesn't "add" sharpness; it adds edge ...
Nvidia is rolling out a new app update today that includes its latest DLSS 4.5 Super Resolution and Nvidia Surround settings.
Your TV setup may not be fully optimized. Take my advice on HDMI ports to unlock better performance in just seconds.