LG OLED C9 vs Vizio P Series Quantum X
Verdict: The LG OLED C9 delivers superior contrast and motion per RTINGS and CNET data but trails the Vizio P Series Quantum X in peak brightness for bright rooms. The Vizio offers more local dimming zones yet shows gray blacks in dark environments according to owner reports on AVS Forum. LG C9 edges the win for cinematic use while Vizio suits daytime sports.
Winner: LG OLED C9
LG OLED C9: 7.5/10
Vizio P Series Quantum X: 6.5/10
Spec-by-spec comparison
| LG OLED C9 | Vizio P Series Quantum X | |
|---|---|---|
| screen_size | 55-inch | 65-inch |
| panel_type | OLED | LED Quantum Dot |
| refresh_rate | 120Hz | 120Hz |
| smart_os | webOS 4.5 | SmartCast |
| Release Year | 2019 | 2019 |
| Successor Model | LG OLED C5 | Vizio P Series Quantum X 2024 |
LG OLED C9
What works
- Perfect blacks with self-emissive pixels
- Dolby Vision and HDR10 support
- Excellent motion handling at 120Hz
What doesn't
- No HDMI 2.1 ports
- Brightness peaks around 750 nits
Vizio P Series Quantum X
What works
- Higher peak brightness up to 2000 nits
- Full array local dimming with 240 zones
- Google Cast and Apple AirPlay built-in
What doesn't
- Blacks appear gray in dark scenes
- Slower response time causing blur
Bottom line
Our pick: LG OLED C9.
View full comparison on GoodPickr
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