Question: what is the difference between quantum and quantum x?
Answer: The major difference between the 2019's Vizio P Series Quantum and Quantum X is the number of their local dimming zones. ... For the 65 inches model of P Series Quantum (P659-G1), it has 200 local dimming zones, while for the 75 inches model (P759-G1) it has 240 local dimming zones.