LG OLED C9 vs Vizio P Series Quantum X

By Billy G. · Founder & Lead EditorVerified Sep 20 by Billy G.

LG OLED C9
LG OLED C9
Vizio P Series Quantum X
Vizio P Series Quantum X

Verdict: The LG OLED C9 provides infinite contrast and 0.1 ms pixel response (per RTINGS), delivering cinema‑grade blacks and Dolby Vision support (per CNET). The Vizio P Series Quantum X reaches a peak brightness of 2,000 nits (per RTINGS) and adds HDR10+ (per Tom's Guide), making it brighter in well‑lit rooms but lacking Dolby Vision. Overall, the C9 wins on picture quality and motion handling, while the Vizio wins on brightness and price.

Winner: LG OLED C9

LG OLED C9: 8/10

Vizio P Series Quantum X: 7/10

Spec-by-spec comparison

LG OLED C9Vizio P Series Quantum X
Screen Size65"65"
Resolution3840x21603840x2160
Peak Brightness800 nits2,000 nits
Refresh Rate120Hz120Hz

LG OLED C9

What works

  • Infinite contrast ratio (per RTINGS)
  • Dolby Vision support (per CNET)
  • 0.1 ms pixel response (per RTINGS)

What doesn't

  • Higher price than many QLEDs (per Consumer Reports)
  • Potential OLED burn‑in risk (per Tom's Guide)

Vizio P Series Quantum X

What works

  • Peak brightness up to 2,000 nits (per RTINGS)
  • HDR10+ support (per Tom's Guide)
  • More affordable than OLED (per Consumer Reports)

What doesn't

  • No Dolby Vision (per CNET)
  • Black levels not as deep as OLED (per RTINGS)

Bottom line

Our pick: LG OLED C9.

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