The LG C5 OLED TV offers better picture quality, wider viewing angles, and more features, but at a higher price point. The Vizio P Series Quantum X 4K Smart TV is a more affordable option with good color accuracy and brightness, but lower contrast ratio and narrower viewing angles. According to RTINGS, the LG C5 OLED TV has a higher contrast ratio (per RTINGS contrast ratio test) and better mot...